TC2054-3.0VCTTR_技术文档

TC2054/2055/2186

50 mA, 100 mA, and 150 mA CMOS LDOs

with Shutdown and Error Output

Features

General Description

• Low Supply Current (55 µA Typical) for Longer

Battery Life

The TC2054, TC2055 and TC2186 are high accuracy

(typically ±0.4%) CMOS upgrades for older (bipolar)

low dropout regulators. Designed specifically for

battery-operated systems, the devices’ total supply

current is typically 55 µA at full load (20 to 60 times

lower than in bipolar regulators).

• Low Dropout Voltage: 140 mV (Typical) @

150 mA

• High Output Voltage Accuracy: ±0.4% (Typical)

• Standard or Custom Output Voltages

• Power-Saving Shutdown Mode

The devices’ key features include low noise operation,

low dropout voltage – typically 45 mV (TC2054); 90 mV

(TC2055); and 140 mV (TC2186) at full load - and fast

response to step changes in load. An error output

(ERROR) is asserted when the devices are

out-of-regulation (due to a low input voltage or

excessive output current). Supply current is reduced to

0.5 µA (maximum) and both V_OUTand ERROR are

disabled when the shutdown input is low. The devices

also incorporate overcurrent and overtemperature

protection.

• ERROR Output Can Be Used as a Low Battery

Detector or Processor Reset Generator

• Fast Shutdown Reponse Time: 60 µs (Typical)

• Overcurrent and Overtemperature Protection

• Space-Saving 5-Pin SOT-23A Package

• Pin Compatible Upgrades for Bipolar Regulators

• Standard Output Voltage Options:

- 1.8V, 2.5V, 2.6V, 2.7V, 2.8V, 2.85V, 3.0V,

3.3V, 5.0V

The TC2054, TC2055 and TC2186 are stable with a

low esr ceramic output capacitor of 1 µF and have a

maximum output current of 50 mA, 100 mA and

150 mA, respectively. This LDO Family also features a

fast response time (60 µs typically) when released from

shutdown.

Applications

• Battery Operated Systems

• Portable Computers

• Medical Instruments

• Instrumentation

Package Type

• Cellular / GSMS / PHS Phones

• Pagers

5-Pin SOT-23A

Top View

Typical Application

V_OUT

5

ERROR

4

1

5

V

IN

OUT

IN

TC2054

TC2055

TC2186

1 µF

2

GND

2

TC2054

TC2055

TC2186

1

3

1M

V_IN

GND SHDN

3

4

ERROR

SHDN

ERROR

Shutdown Control

(from Power Control Logic)

DS21663D-page 1

TC2054/2055/2186

NOTES:

DS21663D-page 2

TC2054/2055/2186

† Notice: Stresses above those listed under “Absolute

Maximum Ratings” may cause permanent damage to

the device. These are stress ratings only and functional

operation of the device at these or any other conditions

above those indicated in the operation sections of the

specifications is not implied. Exposure to Absolute

Maximum Rating conditions for extended periods my

affect device reliability.

1.0

ELECTRICAL

CHARACTERISTICS

Absolute Maximum Ratings †

Input Voltage .........................................................6.5V

Output Voltage ...............................(-0.3) to (V_IN+ 0.3)

Operating Temperature.................. -40°C < T_J< 125°C

Storage Temperature .........................-65°C to +150°C

Maximum Voltage on Any Pin ........V_IN+0.3V to -0.3V

ELECTRICAL SPECIFICATIONS

Electrical Specifications: Unless otherwise noted, V_IN= V_R+ 1V, I_L= 100 µA, C_L= 3.3 µF, SHDN > V_IH, T_A= +25°C.

BOLDFACE type specifications apply for junction temperature of -40°C to +125°C.

Parameter

Sym

Min

Typ

Max

Units

Conditions

Input Operating Voltage

Maximum Output Current

V_IN

2.7

50

—

6.0

—

V

Note 1

TC2054

TC2055

TC2186

Note 2

IOUT

mA

MAX

100

150

Output Voltage

V_OUT

V_R- 2.0% V_R± 0.4% V_R+ 2.0%

V

_OUTTemperature

TCV_OUT

—

20

40

—

ppm/°C Note 3

Coefficient

Line Regulation

ΔV_OUT

ΔV_IN

/

0.05

0.5

%

(V_R+ 1V) < V_IN< 6V

Load Regulation

ΔV_OUT

-1.0

-2.0

0.33

0.43

+1.0

+2.0

TC2054;TC2055 I_L= 0.1 mA to IOUT

MAX

V_OUT

TC2186

I_L= 0.1 mA to IOUT

MAX

Note 6

Dropout Voltage, Note 7

V

_IN– V_OUT

—

2

—

70

mV

I_L= 100 µA

I_L= 50 mA

45

90

140

210

TC2015; TC2185 I_L= 100 mA

140

TC2185

I_L= 150 mA

Note 7

Supply Current

I_IN

—

55

0.05

50

80

0.5

—

µA

dB

SHDN = V_IH, I_L=0

SHDN = 0V

F_RE≤ 100 kHz

Shutdown Supply Current

I_INSD

PSRR

Power Supply Rejection

Ratio

Output Short Circuit Current

I_OUT

160

300

—

mA

V_OUT= 0V

SC

Note 1: The minimum V_INhas to meet two conditions: V_IN= 2.7V and V_IN= V_R+ V_DROPOUT

.

2: V_Ris the regulator output voltage setting. For example: V_R= 1.8V, 2.7V, 2.8V, 2.85V, 3.0V, 3.3V.

3: TCV_OUT

4:

5:

=

6

(V

– V

) × 10

OUTMAX

OUTMIN

× ΔT

-----------------------------------------------------------------------------------------

V

OUT

6: Regulation is measured at a constant junction temperature using low duty cycle pulse testing. Load regulation is tested

over a load range from 1.0 mA to the maximum specified output current. Changes in output voltage due to heating

effects are covered by the thermal regulation specification.

7: Dropout voltage is defined as the input to output differential at which the output voltage drops 2% below its nominal

value at a 1V differential.

8: Thermal Regulation is defined as the change in output voltage at a time T after a change in power dissipation is applied,

excluding load or line regulation effects. Specifications are for a current pulse equal to I_MAXat V_IN= 6V for T = 10 ms.

9: The maximum allowable power dissipation is a function of ambient temperature, the maximum allowable junction tem-

perature and the thermal resistance from junction-to-air (i.e. T_A, T_J, θ_JA).

10: Hysteresis voltage is referenced by V_R.

11: Time required for V_OUTto reach 95% of V_R(output voltage setting), after V_SHDNis switched from 0 to V_IN

.

DS21663D-page 3

TC2054/2055/2186

ELECTRICAL SPECIFICATIONS (CONTINUED)

Electrical Specifications: Unless otherwise noted, V_IN= V_R+ 1V, I_L= 100 µA, C_L= 3.3 µF, SHDN > V_IH, T_A= +25°C.

BOLDFACE type specifications apply for junction temperature of -40°C to +125°C.

Parameter

Sym

Min

Typ

Max

Units

Conditions

Thermal Regulation

ΔV_OUT/ΔP_D

—

0.04

160

—

V/W Note 8

Thermal Shutdown Die

Temperature

T_SD

°C

Output Noise

eN

t_R

—

600

60

—

nV /

√Hz

I_L= I_OUTMAX, F = 10 kHz

Response Time

(from Shutdown Mode)

µs

V_IN= 4V

_IN= 1 µF, C_OUT= 10 µF

I_L= 0.1 mA, Note 11

C

SHDN Input

SHDN Input High Threshold

SHDN Input Low Threshold

ERROR OUTPUT

V_IH

V_IL

60

—

%V_INV_IN= 2.5V to 6.0V

15

Minimum V_INOperating

Voltage

V_INMIN

V_OL

1.0

—

V

I_OL= 0.1 mA

Output Logic Low Voltage

400

mV

1 mA Flows to ERROR,

I_OL= 1 mA, V_IN= 2V

ERROR Threshold Voltage

ERROR Positive Hysteresis

V_TH

V_HYS

—

0.95 x V_R

—

V

mV

ms

Ω

See Figure 4-2

50

2

Note 10

V

_OUTto ERROR Delay

t_DELAY

R_ERROR

V_OUTfrom V_R= 3V to 2.8V

V_DD= 2.5V, V_OUT= 2.5V

Resistance from ERROR to

GND

126

Note 1: The minimum V_INhas to meet two conditions: V_IN= 2.7V and V_IN= V_R+ V_DROPOUT

.

2: _Ris the regulator output voltage setting. For example: V_R= 1.8V, 2.7V, 2.8V, 2.85V, 3.0V, 3.3V.

V

3: TCV_OUT

4:

5:

=

6

(V

– V

) × 10

OUTMAX

OUTMIN

× ΔT

-----------------------------------------------------------------------------------------

V

OUT

6: Regulation is measured at a constant junction temperature using low duty cycle pulse testing. Load regulation is tested

over a load range from 1.0 mA to the maximum specified output current. Changes in output voltage due to heating

effects are covered by the thermal regulation specification.

7: Dropout voltage is defined as the input to output differential at which the output voltage drops 2% below its nominal

value at a 1V differential.

8: Thermal Regulation is defined as the change in output voltage at a time T after a change in power dissipation is applied,

excluding load or line regulation effects. Specifications are for a current pulse equal to I_MAXat V_IN= 6V for T = 10 ms.

9: The maximum allowable power dissipation is a function of ambient temperature, the maximum allowable junction tem-

perature and the thermal resistance from junction-to-air (i.e. T_A, T_J, θ_JA).

10: Hysteresis voltage is referenced by V_R.

11: Time required for V_OUTto reach 95% of V_R(output voltage setting), after V_SHDNis switched from 0 to V_IN

.

TEMPERATURE CHARACTERISTICS

Electrical Specifications: Unless otherwise noted, V_DD= +2.7V to +6.0V and V_SS= GND.

Parameters

Temperature Ranges:

Sym

Min

Typ

Max

Units

Conditions

Extended Temperature Range

Operating Temperature Range

Storage Temperature Range

Thermal Package Resistances:

Thermal Resistance, 5L-SOT-23

T_A

-40

-65

—

+125

+150

°C

θ_JA

—

255

—

°C/W

DS21663D-page 4

TC2054/2055/2186

2.0

TYPICAL PERFORMANCE CURVES

Note: The graphs and tables provided following this note are a statistical summary based on a limited number of

samples and are provided for informational purposes only. The performance characteristics listed herein

are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified

operating range (e.g., outside specified power supply range) and therefore outside the warranted range.

Note: Unless otherwise indicated, V_IN= V_R+ 1V, I_L= 100 µA, C_OUT= 3.3 µF, SHDN > V_IH, T_A= +25°C.

0

-20

0

-20

V_INDC= 4V

V_INAC= 100 mV_p-p

V_OUTDC= 3V

I_OUT= 100 µA

C_OUT= 1 µF Ceramic

V_INDC= 4V

V_INAC= 100 mV_p-p

V_OUTDC= 3V

-40

-60

-80

I_OUT= 150 mA

C_OUT= 10 µF Ceramic

-100

10

100

1000

1,000

10k

10,000

100k 1M

100,000 1,000,000

1100

11000

11,00000

110,00k00

11000,00k00 1,0010M,000

f (Hz)

FIGURE 2-1:

Power Supply Rejection

FIGURE 2-4:

Power Supply Rejection

Ratio.

0

V_INDC= 4V

V_INAC= 100 mV_p-p

V_OUTDC= 3V

V_INAC= 100 mV_p-p

V_OUTDC= 3V

-20

-40

-20

-40

-60

-80

I_OUT= 150 mA

C_OUT= 10 µF Tantalum

C_OUT= 1 µF Ceramic

-100

10

100

1000

1,000

10k

10,000

100k 1M

100,000 1,000,000

1100

110000

1,000

1000

101,00k00

100,000 1,000,000

100k

1M

f (Hz)

FIGURE 2-2:

Power Supply Rejection

FIGURE 2-5:

Power Supply Rejection

Ratio.

0.160

V

OUT = 1.8V

10

1

0.140

0.120

0.100

T = 25°C

C_OUT= 1 µF

T = 130°C

T = -45°C

0.1

0.01

0.080

0.060

0.040

0.020

0.000

0.001

0.01

0.1

1

10

100

1000

100

150

50

0

Frequency (kHz)

ILOAD (mA)

FIGURE 2-3:

Output Noise vs. Frequency.

FIGURE 2-6:

Dropout Voltage vs. I

.

LOAD

DS21663D-page 5

TC2054/2055/2186

Note: Unless otherwise indicated, V_IN= V_R+ 1V, I_L= 100 µA, C_OUT= 3.3 µF, SHDN > V_IH, T_A= +25°C.

65.00

1.9

VOUT = 1.8V

1.88

63.00

1.86

1.84

61.00

1.82

VIN = 2.8V

59.00

57.00

1.8

1.78

1.76

1.74

VIN = 2.8V

55.00

53.00

1.72

1.7

0

15

30

45

60

75

90

105

120

135

150

-45

5

55

105

155

ILOAD (mA)

Temperature (°C)

FIGURE 2-7:

I

vs. Temperature.

FIGURE 2-10:

Output Voltage vs. Output

DD

Current.

2.9

V^OUT= 2.8V

IOUT = 0.1mA

V

OUT = 2.8V

I

OUT = 0.1mA

2.85

VIN = 6.5V

2.85

Temp = +130˚C

2.8

2.75

2.7

VIN = 6.0V

VIN = 3.8V

2.75

2.7

Temp = +25˚C

Temp = -45˚C

2.65

2.6

2.65

2.6

2.55

2.5

2.55

2.5

-50 -35 -20 -5

10

25

40 55

70

85 100 115 130 145

3.5

4

4.5

5

5.5

6

6.5

7

VIN (V)

Temperature (˚C)

FIGURE 2-8:

Output Voltage vs.

FIGURE 2-11:

Output Voltage vs. Supply

Temperature.

Voltage.

1.9

V^OUT= 1.8V

V

OUT = 1.8V

IOUT = 0.1mA

1.88

1.86

1.88

1.86

1.84

I

OUT = 0.1mA

1.84

1.82

1.8

VIN = 6.0V

VIN = 6.5V

Temp = +130˚C

Temp = +25˚C

1.82

1.8

1.78

Temp = -45˚C

1.78

VIN = 2.8V

1.76

1.74

1.76

1.74

1.72

1.7

-50 -35 -20

-5

10

25 40

55 70

85 100 115 130 145

2.7

3.2

3.7

4.2

4.7

5.2

5.7

6.2

6.7

VIN (V)

Temperature (˚C)

FIGURE 2-9:

Output Voltage vs.

FIGURE 2-12:

Dropout Voltage vs. Supply

Temperature.

Voltage.

DS21663D-page 6

TC2054/2055/2186

Note: Unless otherwise indicated, V_IN= V_R+ 1V, I_L= 100 µA, C_OUT= 3.3 µF, SHDN > V_IH, T_A= +25°C.

V

= 3.8V

V

= 3.0V

IN

= 2.8V

OUT

C

= 1 μF Ceramic

C

= 1μF Ceramic

IN

C

= 10μF Ceramic

OUT

Frequency = 1 KHz

Frequency = 10KHz

V

100mV/DIV

OUT

100mV / DIV

V

OUT

Load Current

150mA

Load

100μA

150mA

Load

100μA

FIGURE 2-13:

Load Transient Response.

FIGURE 2-16:

Load Transient Response.

Load Transient Response in Dropout Mode

V

= 4.0V

= 3.0V

IN

V

OUT

C

I

= 10μF

= 0.01μF

= 100μA

OUT

BYP

OUT

VOUT

100mV/DIV

V

SHDN

150mA

V

IN = 3.105V

V

OUT = 3.006V

C

IN = 1μF Ceramic

OUT = 1μF Ceramic

LOAD = 20Ω

100μA

C

R

V

OUT

FIGURE 2-14:

Load Transient Response in

FIGURE 2-17:

Shutdown Delay.

Dropout Mode.

V

= 2.8V

OUT

V

C

I

= 1μF Ceramic

= 470pF

SHDN

OUT

BYP

= 100μA

OUT

50mV / DIV

V

OUT

Input Voltage

2V / DIV

V

6V

4V

OUT

V

= 4.0V

= 3.0V

IN

V

OUT

C

= 10μF

= 0.01μF

= 100μA

OUT

C

BYP

OUT

I

FIGURE 2-18:

Shutdown Wake-up Time.

FIGURE 2-15:

Line Transient Response.

DS21663D-page 7

TC2054/2055/2186

Note: Unless otherwise indicated, V_IN= V_R+ 1V, I_L= 100 µA, C_OUT= 3.3 µF, SHDN > V_IH, T_A= +25°C.

R

PULLUP = 100kΩ

I

OUT = 0.3mA

V

IN

1V/Div

3.42V

3.0V

2.8V

V

OUT

2V/Div

VERROR

0V

FIGURE 2-19:

V

to ERROR Delay.

OUT

DS21663D-page 8

TC2054/2055/2186

3.0

PIN DESCRIPTIONS

The descriptions of the pins are listed in Table 3-1.

TABLE 3-1:

Pin Number

PIN FUNCTION TABLE

Symbol

Description

1

2

3

V_IN

Unregulated supply input.

Ground terminal.

GND

SHDN

Shutdown control input. The regulator is fully enabled when a logic high is

applied to this input. The regulator enters shutdown when a logic low is applied

to this input. During shutdown, output voltage falls to zero, ERROR is open

circuited and supply current is reduced to 0.5 µA (maximum).

4

5

ERROR

V_OUT

Out-of-Regulation Flag. (Open-drain output). This output goes low when V_OUTis

out-of-tolerance by approximately -5%.

Regulated voltage output.

3.1

Unregulated Supply Input (V_IN)

3.4

Out-of-Regulation Flag (ERROR)

Connect the unregulated input supply to the V_INpin. If

there is a large distance between the input supply and

the LDO regulator, some input capacitance is

necessary for proper operation. A 1 µF capacitor,

connected from V_INto ground, is recommended for

most applications.

The open-drain ERROR flag provides indication that

the regulator output voltage is not in regulation. The

ERROR pin will be low when the output is typically

below 5% of its specified value.

3.5

Regulated Voltage Output (V_OUT)

Connect the output load to V_OUTof the LDO. Also

connect one side of the LDO output decoupling

capacitor as close as possible to the V_OUTpin.

3.2

Ground Terminal (GND)

Connect the unregulated input supply ground return to

GND. Also connect one side of the 1 µF typical input

decoupling capacitor close to this pin and one side of

the output capacitor C_OUTto this pin.

3.3

Shutdown Control Input (SHDN)

The regulator is fully enabled when a logic-high is

applied to SHDN. The regulator enters shutdown when

a logic-low is applied to this input. During shutdown, the

output voltage falls to zero and the supply current is

reduced to 0.5 µA (maximum).

DS21663D-page 9

TC2054/2055/2186

NOTES:

DS21663D-page 10

TC2054/2055/2186

4.0

DETAILED DESCRIPTION

V

OUT

The TC2054, TC2055 and TC2186 are precision fixed

output voltage regulators. (If an adjustable version is

desired, refer to the TC1070/TC1071/TC1187 data

sheet (DS21353). Unlike bipolar regulators, the

TC2054, TC2055 and TC2186 supply current does not

increase with load current. In addition, V_OUTremains

stable and within regulation over the entire 0 mA to

maximum output current operating load range.

HYSTERESIS (V

)

HYS

V

TH

ERROR

V

IH

V

OL

Figure 4-1 shows a typical application circuit. The

regulator is enabled any time the shutdown input

(SHDN) is at or above V_IH, and shutdown (disabled)

when SHDN is at or below V_IL. SHDN may be

controlled by a CMOS logic gate, or I/O port of a

microcontroller. If the SHDN input is not required, it

should be connected directly to the input supply. While

in shutdown, supply current decreases to 0.05 µA

(typical), V_OUTfalls to zero volts, and ERROR is

open-circuited.

FIGURE 4-2:

Error Output Operation.

4.2

Output Capacitor

A 1 µF (minimum) capacitor from V_OUTto ground is

required. The output capacitor should have an effective

series resistance of 0.01Ω. to 5Ω for V_OUT= 2.5V, and

0.05Ω. to 5Ω for V_OUT< 2.5V. Ceramic, tantalum and

aluminum electrolytic capacitors can be used. (Since

many aluminum electrolytic capacitors freeze at

approximately

-30°C,

solid

tantalums

are

V

OUT

IN

OUT

recommended for applications operating below -25°C).

When operating from sources other than batteries,

supply-noise rejection and transient response can be

improved by increasing the value of the input and

output capacitors and employing passive filtering

techniques.

1 µF

C

1

TC2054

TC2055

TC2186

BATTERY

GND

V+

SHDN

ERROR

R

1MΩ

1

Shutdown Control

(to CMOS Logic or Tie

4.3

Input Capacitor

C2 Required Only

if ERROR is used as a

Processor RESET Signal

(See Text)

BATTLOW

or RESET

to V if unused)

IN

A 1 µF capacitor should be connected from V_INto GND

if there is more than 10 inches of wire between the

regulator and this AC filter capacitor, or if a battery is

used as the power source. Aluminum electrolytic or

tantalum capacitors can be used (since many

0.2 µF

C

2

FIGURE 4-1:

Typical Application Circuit.

aluminum

electrolytic

capacitors

freeze

at

4.1

ERROR Open-Drain Output

approximately -30°C, solid tantalum are recommended

for applications operating below -25°C). When

operating from sources other than batteries,

supply-noise rejection and transient response can be

improved by increasing the value of the input and

output capacitors and employing passive filtering

techniques.

ERROR is driven low whenever V_OUTfalls out of

regulation by more than -5% (typical). This condition

may be caused by low input voltage, output current

limiting or thermal limiting. The ERROR threshold is 5%

below rated V_OUTregardless of the programmed

output voltage value (e.g. ERROR = V_OLat 4.75V

(typical) for a 5.0V regulator and 2.85V (typical) for a

3.0V regulator). ERROR output operation is shown in

Figure 4-2.

Note that ERROR is active when V_OUTfalls to V_TH, and

inactive when V_OUTrises above V_THby V_HYS

.

As shown in Figure 4-1, ERROR can be used as a

battery low flag or as a processor RESET signal (with

the addition of timing capacitor C₂). R₁x C₂should be

chosen to maintain ERROR below V_IHof the processor

RESET input for at least 200 ms to allow time for the

system to stabilize. Pull-up resistor R₁can be tied to

V_OUT, V_INor any other voltage less than (V_IN+ 0.3V).

The ERROR pin sink current is self-limiting to

approximately 18 mA.

DS21663D-page 11

TC2054/2055/2186

NOTES:

DS21663D-page 12

TC2054/2055/2186

Equation 5-1 can be used in conjunction with

Equation 5-2 to ensure regulator thermal operation is

within limits. For example:

5.0

5.1

THERMAL CONSIDERATIONS

Thermal Shutdown

Integrated thermal protection circuitry shuts the

regulator off when the die temperature exceeds

approximately 160°C. The regulator remains off until

the die temperature cools to approximatley 150°C.

Given:

V_INMAX

= 3.0V +10%

V_OUTMIN= 2.7V – 2.5%

I_LOADMAX= 40 mA

5.2

Power Dissipation

T_AMAX

= +55°C

The amount of power the regulator dissipates is

primarily a function of input and output voltage, and

output current.

Find:

1. Actual power dissipation

Equation 5-1 is used to calculate worst case power

dissipation:

2. Maximum allowable dissipation

Actual power dissipation:

EQUATION 5-1:

P

≈ (V_INMAX– V_OUTMIN)I_LOADMAX

D

P_D= (V_INMAX– V_OUTMIN)I_LOADMAX

Where:

= [(3.0 × 1.1) – (2.7 × 0.975)]40 × 10^–3

= 26.7mW

P_D

= Worst-case actual power dissipation

= Maximum voltage on V_IN

V_INMAX

Maximum allowable power dissipation:

V_OUTMIN= Minimum regulator output voltage

I_LOADMAX= Maximum output (load) current

T_JMAX– T_AMAX

P_DMAX= --------------------------------------

θ_JA

The

(Equation 5-2) is a function of the maximum ambient

temperature (T_A

maximum

allowable

power

dissipation

125 – 55

= --------------------

_MAX), the maximum allowable die

220

temperature (125 °C) and the thermal resistance from

junction-to-air (θ_JA). The 5-Pin SOT-23A package has

a θ_JAof approximately 220°C/Watt when mounted on a

typical two layer FR4 dielectric copper clad PC board.

= 318mW

In this example, the TC2054 dissipates a maximum of

only 26.7 mW; far below the allowable limit of 318 mW.

In a similar manner, Equation 5-1 and Equation 5-2 can

be used to calculate maximum current and/or input

voltage limits.

EQUATION 5-2:

T_JMAX– T_AMAX

P_DMAX= --------------------------------------

θ_JA

5.3

Layout Considerations

Where all terms are previously defined.

The primary path of heat conduction out of the package

is via the package leads. Therefore, layouts having a

ground plane, wide traces at the pads, and wide power

supply bus lines combine to lower θ_JAand, therefore,

increase the maximum allowable power dissipation

limit.

DS21663D-page 13

TC2054/2055/2186

NOTES:

DS21663D-page 14

TC2054/2055/2186

6.0

6.1

PACKAGING INFORMATION

Package Marking Information

Example:

5-Lead SOT-23

TABLE 6-1:

PART NUMBER CODE AND

TEMPERATURE RANGE

5

4

3

5

1

4

3

(V)

TC2054

TC2055

TC2186

SA25

XXNN

1.8

2.5

2.6

2.7

2.8

2.85

3.0

3.3

5.0

SA

SB

SH

SC

SD

SE

SF

SG

SK

TA

TB

TH

TC

TD

TE

TF

TG

TJ

VA

VB

VH

VC

VD

VE

VF

VG

VJ

1

2

Legend: XX...X Customer-specific information

NN

Alphanumeric traceability code

6.2

Taping Information

Component Taping Orientation for 5-Pin SOT-23A (EIAJ SC-74A) Devices

User Direction of Feed

Device

Marking

W

PIN 1

P

Standard Reel Component Orientation

for 713 Suffix Device

(Mark Right Side Up)

Carrier Tape, Number of Components Per Reel and Reel Size:

Package

Carrier Width (W)

Pitch (P)

Part Per Full Reel

Reel Size

5-Pin SOT-23A

8 mm

4 mm

3000

7 in.

DS21663D-page 15

TC2054/2055/2186

ꢀꢁꢂꢃꢄꢅꢆꢇꢈꢄꢉꢊꢋꢌꢆꢍꢎꢄꢈꢈꢆꢏꢐꢊꢈꢋꢑꢃꢆꢒꢓꢄꢑꢉꢋꢉꢊꢔꢓꢆꢕꢖꢒꢗꢆꢘꢍꢏꢒꢁꢙꢚꢛ

ꢜꢔꢊꢃꢝ .ꢆꢌꢇ$ꢋꢄꢇ ꢆ!$ꢇꢉ%ꢌꢌꢄꢅ$ꢇꢍꢈꢉ/ꢈꢒꢄꢇ"ꢌꢈ-ꢃꢅꢒ!0ꢇꢍꢊꢄꢈ!ꢄꢇ!ꢄꢄꢇ$ꢋꢄꢇꢎꢃꢉꢌꢆꢉꢋꢃꢍꢇ1ꢈꢉ/ꢈꢒꢃꢅꢒꢇꢔꢍꢄꢉꢃ&ꢃꢉꢈ$ꢃꢆꢅꢇꢊꢆꢉꢈ$ꢄ"ꢇꢈ$ꢇ

ꢋ$$ꢍ+22---ꢁ ꢃꢉꢌꢆꢉꢋꢃꢍꢁꢉꢆ 2ꢍꢈꢉ/ꢈꢒꢃꢅꢒ

b

N

E

E1

3

2

1

e

e1

D

A2

c

A

φ

A1

L

L1

3ꢅꢃ$!

ꢎꢙ44ꢙꢎ#ꢗ#ꢚꢔ

ꢂꢃ ꢄꢅ!ꢃꢆꢅꢇ4ꢃ ꢃ$!

ꢎꢙ5

56ꢎ

ꢎꢓ7

5% 8ꢄꢌꢇꢆ&ꢇ1ꢃꢅ!

4ꢄꢈ"ꢇ1ꢃ$ꢉꢋ

5

ꢄ

ꢖ

ꢏꢁꢛꢖꢇ)ꢔ*

6%$!ꢃ"ꢄꢇ4ꢄꢈ"ꢇ1ꢃ$ꢉꢋ

6,ꢄꢌꢈꢊꢊꢇ9ꢄꢃꢒꢋ$

ꢎꢆꢊ"ꢄ"ꢇ1ꢈꢉ/ꢈꢒꢄꢇꢗꢋꢃꢉ/ꢅꢄ!!

ꢔ$ꢈꢅ"ꢆ&&

6,ꢄꢌꢈꢊꢊꢇ<ꢃ"$ꢋ

ꢎꢆꢊ"ꢄ"ꢇ1ꢈꢉ/ꢈꢒꢄꢇ<ꢃ"$ꢋ

6,ꢄꢌꢈꢊꢊꢇ4ꢄꢅꢒ$ꢋ

.ꢆꢆ$ꢇ4ꢄꢅꢒ$ꢋ

.ꢆꢆ$ꢍꢌꢃꢅ$

.ꢆꢆ$ꢇꢓꢅꢒꢊꢄ

4ꢄꢈ"ꢇꢗꢋꢃꢉ/ꢅꢄ!!

4ꢄꢈ"ꢇ<ꢃ"$ꢋ

ꢄꢀ

ꢓ

ꢓꢐ

ꢓꢀ

#

#ꢀ

ꢂ

4

ꢀꢁꢛꢏꢇ)ꢔ*

ꢏꢁꢛꢏ

ꢏꢁ;ꢛ

ꢏꢁꢏꢏ

ꢐꢁꢐꢏ

ꢀꢁꢜꢏ

ꢐꢁꢑꢏ

ꢏꢁꢀꢏ

ꢏꢁꢜꢖ

ꢏꢝ

M

ꢀꢁꢕꢖ

ꢀꢁꢜꢏ

ꢏꢁꢀꢖ

ꢜꢁꢐꢏ

ꢀꢁ;ꢏ

ꢜꢁꢀꢏ

ꢏꢁ=ꢏ

ꢏꢁ;ꢏ

ꢜꢏꢝ

4ꢀ

ꢀ

ꢉ

8

ꢏꢁꢏ;

ꢏꢁꢐꢏ

ꢏꢁꢐ=

ꢏꢁꢖꢀ

ꢜꢔꢊꢃꢉꢝ

ꢀꢁ ꢂꢃ ꢄꢅ!ꢃꢆꢅ!ꢇꢂꢇꢈꢅ"ꢇ#ꢀꢇ"ꢆꢇꢅꢆ$ꢇꢃꢅꢉꢊ%"ꢄꢇ ꢆꢊ"ꢇ&ꢊꢈ!ꢋꢇꢆꢌꢇꢍꢌꢆ$ꢌ%!ꢃꢆꢅ!ꢁꢇꢎꢆꢊ"ꢇ&ꢊꢈ!ꢋꢇꢆꢌꢇꢍꢌꢆ$ꢌ%!ꢃꢆꢅ!ꢇ!ꢋꢈꢊꢊꢇꢅꢆ$ꢇꢄ'ꢉꢄꢄ"ꢇꢏꢁꢀꢐꢑꢇ ꢇꢍꢄꢌꢇ!ꢃ"ꢄꢁ

ꢐꢁ ꢂꢃ ꢄꢅ!ꢃꢆꢅꢃꢅꢒꢇꢈꢅ"ꢇ$ꢆꢊꢄꢌꢈꢅꢉꢃꢅꢒꢇꢍꢄꢌꢇꢓꢔꢎ#ꢇ(ꢀꢕꢁꢖꢎꢁ

)ꢔ*+ )ꢈ!ꢃꢉꢇꢂꢃ ꢄꢅ!ꢃꢆꢅꢁꢇꢗꢋꢄꢆꢌꢄ$ꢃꢉꢈꢊꢊꢘꢇꢄ'ꢈꢉ$ꢇ,ꢈꢊ%ꢄꢇ!ꢋꢆ-ꢅꢇ-ꢃ$ꢋꢆ%$ꢇ$ꢆꢊꢄꢌꢈꢅꢉꢄ!ꢁ

ꢎꢃꢉꢌꢆꢉꢋꢃꢍ ꢗꢄꢉꢋꢅꢆꢊꢆꢒꢘ ꢂꢌꢈ-ꢃꢅꢒ *ꢏꢕꢞꢏꢛꢀ)

DS21663D-page 16

TC2054/2055/2186

APPENDIX A: REVISION HISTORY

Revision D (September 2009)

The following is the list of modifications:

1. Added the 2.6V, and 5.0V option in Table 6-1 in

Section 6.0 “Packaging Information”.

2. Updated the package outline drawing.

3. Added 2.6V option to Product Identification

System section.

Revision C (May 2006)

The following is the list of modifications:

1. Added overtemperature to bullet for overcurrent

protection in Features and General Description

verbiage.

2. Added “Thermal Shutdown Die Temperature” to

the Electrical Specifications table. Changed

condition for “Minimum V_INOperating Voltage”.

3. Added Temperature Characteristics Table.

4. Added Section 5.1 “Thermal Shutdown”.

5. Updated the package outline drawing.

Revision B (May 2002)

• Data Sheet converted to Microchip standards.

Revision A (May 2001)

• Original Release of this Document under Telcom.

DS21663D-page 13

TC2054/2055/2186

NOTES:

DS21663D-page 14

TC2054/2055/2186

PRODUCT IDENTIFICATION SYSTEM

To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office.

Examples:

PART NO.

Device

-XX

X

XXXX

a)

b)

c)

TC2054-1.8VCTTR: 5LD SOT-23-A, 1.8V,

Output

Voltage

Temperature

Range

Package

Tape and Reel.

TC2054-2.85VCTTR:5LD SOT-23-A, 2.85V,

Tape and Reel.

TC2054-3.3VCTTR: 5LD SOT-23-A, 3.3V,

Tape and Reel.

Device:

TC2054: 50 mA LDO with Shutdown and ERROR Output

TC2055: 100 mA LDO with Shutdown and ERROR Output

TC2186: 150 mA LDO with Shutdown and ERROR Output

a)

b)

c)

TC2055-1.8VCTTR: 5LD SOT-23-A, 1.8V,

Tape and Reel.

Output Voltage:

XX

=

1.8V

2.5V

2.6V

2.7V

2.8V

2.85V

3.0V

3.3V

5.0V

TC2055-2.85VCTTR:5LD SOT-23-A, 2.85V,

Tape and Reel.

TC2055-3.0VCTTR: 5LD SOT-23-A, 3.0V,

Tape and Reel.

a)

b)

TC2186-1.8VCTTR: 5LD SOT-23-A, 1.8V,

Tape and Reel.

TC2186-2.8VCTTR: 5LD SOT-23-A, 2.8V,

Tape and Reel.

Temperature Range:

Package:

V

=

-40°C to +125°C

CTTR

=

Plastic Small Outline Transistor (SOT-23),

5-lead, Tape and Reel

DS21663D-page 15

TC2054/2055/2186

NOTES:

DS21663D-page 16

Note the following details of the code protection feature on Microchip devices:

•

Microchip products meet the specification contained in their particular Microchip Data Sheet.

•

Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the

intended manner and under normal conditions.

•

There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our

knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip’s Data

Sheets. Most likely, the person doing so is engaged in theft of intellectual property.

•

Microchip is willing to work with the customer who is concerned about the integrity of their code.

Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not

mean that we are guaranteeing the product as “unbreakable.”

Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our

products. Attempts to break Microchip’s code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts

allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act.

Information contained in this publication regarding device

applications and the like is provided only for your convenience

and may be superseded by updates. It is your responsibility to

ensure that your application meets with your specifications.

MICROCHIP MAKES NO REPRESENTATIONS OR

WARRANTIES OF ANY KIND WHETHER EXPRESS OR

IMPLIED, WRITTEN OR ORAL, STATUTORY OR

OTHERWISE, RELATED TO THE INFORMATION,

INCLUDING BUT NOT LIMITED TO ITS CONDITION,

QUALITY, PERFORMANCE, MERCHANTABILITY OR

FITNESS FOR PURPOSE. Microchip disclaims all liability

arising from this information and its use. Use of Microchip

devices in life support and/or safety applications is entirely at

the buyer’s risk, and the buyer agrees to defend, indemnify and

hold harmless Microchip from any and all damages, claims,

suits, or expenses resulting from such use. No licenses are

conveyed, implicitly or otherwise, under any Microchip

intellectual property rights.

Trademarks

The Microchip name and logo, the Microchip logo, dsPIC,

KEELOQ, KEELOQ logo, MPLAB, PIC, PICmicro, PICSTART,

rfPIC and UNI/O are registered trademarks of Microchip

Technology Incorporated in the U.S.A. and other countries.

FilterLab, Hampshire, HI-TECH C, Linear Active Thermistor,

MXDEV, MXLAB, SEEVAL and The Embedded Control

Solutions Company are registered trademarks of Microchip

Technology Incorporated in the U.S.A.

Analog-for-the-Digital Age, Application Maestro, CodeGuard,

dsPICDEM, dsPICDEM.net, dsPICworks, dsSPEAK, ECAN,

ECONOMONITOR, FanSense, HI-TIDE, In-Circuit Serial

Programming, ICSP, Mindi, MiWi, MPASM, MPLAB Certified

logo, MPLIB, MPLINK, mTouch, Octopus, Omniscient Code

Generation, PICC, PICC-18, PICDEM, PICDEM.net, PICkit,

PICtail, PIC³²logo, REAL ICE, rfLAB, Select Mode, Total

Endurance, TSHARC, UniWinDriver, WiperLock and ZENA

are trademarks of Microchip Technology Incorporated in the

U.S.A. and other countries.

SQTP is a service mark of Microchip Technology Incorporated

in the U.S.A.

All other trademarks mentioned herein are property of their

respective companies.

Printed on recycled paper.

Microchip received ISO/TS-16949:2002 certification for its worldwide

headquarters, design and wafer fabrication facilities in Chandler and

Tempe, Arizona; Gresham, Oregon and design centers in California

and India. The Company’s quality system processes and procedures

are for its PIC^®MCUs and dsPIC^®DSCs, KEELOQ^®code hopping

devices, Serial EEPROMs, microperipherals, nonvolatile memory and

analog products. In addition, Microchip’s quality system for the design

and manufacture of development systems is ISO 9001:2000 certified.

DS21663D-page 17

WORLDWIDE SALES AND SERVICE

AMERICAS

ASIA/PACIFIC

EUROPE

Corporate Office

Asia Pacific Office

Suites 3707-14, 37th Floor

Tower 6, The Gateway

Harbour City, Kowloon

Hong Kong

Tel: 852-2401-1200

Fax: 852-2401-3431

India - Bangalore

Tel: 91-80-3090-4444

Fax: 91-80-3090-4080

Austria - Wels

Tel: 43-7242-2244-39

Fax: 43-7242-2244-393

2355 West Chandler Blvd.

Chandler, AZ 85224-6199

Tel: 480-792-7200

Fax: 480-792-7277

Technical Support:

http://support.microchip.com

Web Address:

www.microchip.com

Denmark - Copenhagen

Tel: 45-4450-2828

Fax: 45-4485-2829

India - New Delhi

Tel: 91-11-4160-8631

Fax: 91-11-4160-8632

France - Paris

Tel: 33-1-69-53-63-20

Fax: 33-1-69-30-90-79

India - Pune

Tel: 91-20-2566-1512

Fax: 91-20-2566-1513

Australia - Sydney

Tel: 61-2-9868-6733

Fax: 61-2-9868-6755

Atlanta

Duluth, GA

Tel: 678-957-9614

Fax: 678-957-1455

Germany - Munich

Tel: 49-89-627-144-0

Fax: 49-89-627-144-44

Japan - Yokohama

Tel: 81-45-471- 6166

Fax: 81-45-471-6122

China - Beijing

Tel: 86-10-8528-2100

Fax: 86-10-8528-2104

Italy - Milan

Tel: 39-0331-742611

Fax: 39-0331-466781

Korea - Daegu

Tel: 82-53-744-4301

Fax: 82-53-744-4302

Boston

China - Chengdu

Tel: 86-28-8665-5511

Fax: 86-28-8665-7889

Westborough, MA

Tel: 774-760-0087

Fax: 774-760-0088

Netherlands - Drunen

Tel: 31-416-690399

Fax: 31-416-690340

Korea - Seoul

China - Hong Kong SAR

Tel: 852-2401-1200

Fax: 852-2401-3431

Tel: 82-2-554-7200

Fax: 82-2-558-5932 or

82-2-558-5934

Chicago

Itasca, IL

Tel: 630-285-0071

Fax: 630-285-0075

Spain - Madrid

Tel: 34-91-708-08-90

Fax: 34-91-708-08-91

China - Nanjing

Tel: 86-25-8473-2460

Fax: 86-25-8473-2470

Malaysia - Kuala Lumpur

Tel: 60-3-6201-9857

Fax: 60-3-6201-9859

Cleveland

UK - Wokingham

Tel: 44-118-921-5869

Fax: 44-118-921-5820

Independence, OH

Tel: 216-447-0464

Fax: 216-447-0643

China - Qingdao

Tel: 86-532-8502-7355

Fax: 86-532-8502-7205

Malaysia - Penang

Tel: 60-4-227-8870

Fax: 60-4-227-4068

Dallas

Addison, TX

Tel: 972-818-7423

Fax: 972-818-2924

China - Shanghai

Tel: 86-21-5407-5533

Fax: 86-21-5407-5066

Philippines - Manila

Tel: 63-2-634-9065

Fax: 63-2-634-9069

Detroit

China - Shenyang

Tel: 86-24-2334-2829

Fax: 86-24-2334-2393

Singapore

Tel: 65-6334-8870

Fax: 65-6334-8850

Farmington Hills, MI

Tel: 248-538-2250

Fax: 248-538-2260

China - Shenzhen

Tel: 86-755-8203-2660

Fax: 86-755-8203-1760

Taiwan - Hsin Chu

Tel: 886-3-6578-300

Fax: 886-3-6578-370

Kokomo

Kokomo, IN

Tel: 765-864-8360

Fax: 765-864-8387

China - Wuhan

Tel: 86-27-5980-5300

Fax: 86-27-5980-5118

Taiwan - Kaohsiung

Tel: 886-7-536-4818

Fax: 886-7-536-4803

Los Angeles

Mission Viejo, CA

Tel: 949-462-9523

Fax: 949-462-9608

China - Xiamen

Tel: 86-592-2388138

Fax: 86-592-2388130

Taiwan - Taipei

Tel: 886-2-2500-6610

Fax: 886-2-2508-0102

Santa Clara

China - Xian

Tel: 86-29-8833-7252

Fax: 86-29-8833-7256

Thailand - Bangkok

Tel: 66-2-694-1351

Fax: 66-2-694-1350

Santa Clara, CA

Tel: 408-961-6444

Fax: 408-961-6445

China - Zhuhai

Tel: 86-756-3210040

Fax: 86-756-3210049

Toronto

Mississauga, Ontario,

Canada

Tel: 905-673-0699

Fax: 905-673-6509

03/26/09

DS21663D-page 18


型号：	TC2054-3.0VCTTR
厂家：	MICROCHIP
描述：	50 mA, 100 mA, and 150 mA CMOS LDOs with Shutdown and Error Output 50毫安100 mA和150毫安CMOS LDO，具有关断和错误输出线性稳压器IC 调节器电源电路光电二极管输出元件
文件：	总22页 (文件大小：419K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

TC2054-3.0VCTTR [MICROCHIP]

相关型号：

TC2054-3.3VCT

TC2054-3.3VCTRT

TC2054-3.3VCTTR

TC2054-5.0VCTTR

TC2054_06

TC2054_09

TC2055

TC2055-1.8VCTRT

TC2055-1.8VCTTR

TC2055-1.8VCTTR713

TC2055-2.5VCTTR

TC2055-2.5VCTTR713