FP613625IR3PTR [FITIPOWER]

1A Low Dropout Linear Regulator;


型号：	FP613625IR3PTR
厂家：	Fitipower
描述：	1A Low Dropout Linear Regulator
文件：	总9页 (文件大小：389K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

fitipower integrated technology lnc.

FP6136

1A Low Dropout

Linear Regulator

Description

Features

The FP6136 series are low dropout, positive linear

regulators with very low quiescent current. The

FP6136 can supply 1A output current with low

dropout voltage at about 1.1V.

● Low Dropout Voltage of 1.1V at 1A

● Guaranteed 1A Output Current

● Very Low Quiescent Current at about 35µA

● Max. 2% Output Accuracy

● Needs Only 1µF Capacitor for Stability

● Thermal Shutdown Protection

● Current Limit Protection

● Low-ESR Ceramic Capacitor for Output Stability

● RoHS Compliant

The FP6136 regulator is able to operate with output

capacitors as small as 1µF for stability.

The

FP6136 also offers on chip thermal shutdown feature

to provide protection against overload or any

condition when the ambient temperature exceeds

the junction temperature.

Applications

● DVD/CD-ROM, CD/RW

● Wireless Device

● LCD Module

The FP6136 series are available in a space-saving

SOT-223 and TDFN-8 (3mmx3mm) packages.

● Battery Power System

● Card Reader

● XDSL Router

Pin Assignments

Ordering Information

FP6136-□□□□

GR3 Package (SOT-223)

TR: Tape/Reel

P: Green

G: Green

GND VOUT VIN

(TAB)

Package Type

GR3: SOT-223

IR3: SOT-223

WD: TDFN-8 (3mm×3mm)

IR3 Package (SOT-223)

Output Voltage

15: 1.5V

18: 1.8V

25: 2.5V

30: 3.0V

33: 3.3V

VIN GND VOUT

(TAB)

WD Package TDFN-8 (3mmx3mm)

Note1: Please consult Fitipower sales office or

authorized distributor for availability of special

output voltages.

VOUT

GND

VIN

GND

Figure 1. Pin Assignment of FP6136

FP6136-1.8-FEB -2012

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FP6136

Typical Application Circuit

VIN

VOUT

V_IN

V_OUT

FP6136

GND

C_OUT

1µF

C_IN

1µF

Figure 2. Typical Application Circuit of FP6136

Note 2：To prevent oscillation, it is recommended to use minimum 1µF X7R or X5R dielectric capacitors if ceramics are

used as input/output capacitors.

Functional Pin Description

Pin Name

Pin Function

Power is supplied to this device from this pin which requires an input filter capacitor. In general, the input

capacitor in the range of 1µF to 10µF is sufficient.

VIN

The output supplies power to loads. The output capacitor is required to prevent output voltage unstable. The

FP6136 is stable with an output capacitor which is 1µF or greater. The larger output capacitor will be required

for application with large transit load to limit peak voltage transits. Besides, it could reduce output noise,

improve stability and PSRR.

VOUT

GND

Common ground pin

Block Diagram

RSEN

VOUT

VIN

PMOS

Current

Limit

Error

Amp

Thermal

Shutdown

Vref 1.2V

GND

Figure 3. Block Diagram of FP6136

FP6136-1.8-FEB -2012

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FP6136

Absolute Maximum Ratings

● Supply Input Voltage (V_IN) -------------------------------------------------------------------------------------- +6V

● Power Dissipation @TA=25°C, (P_D)

SOT-223 ------------------------------------------------------------------------------------------------ +0.74W

TDFN-8 (3mmx3mm) -------------------------------------------------------------------------------- +1.54W

● Package Thermal Resistance, (θ_JA)

SOT-223 ------------------------------------------------------------------------------------------------ +135°C/W

TDFN-8 (3mmx3mm) -------------------------------------------------------------------------------- +65°C/W

● Maximum Junction Temperature (TJ) -----------------------------------------------------------------------

+150C

● Storage Temperature Range (T_S) ---------------------------------------------------------------------------- -65°C to +150°C

● Lead Temperature (Soldering, 10sec.) (T_LEAD) ------------------------------------------------------------ +260°C

Note：Stresses beyond those listed under “Absolute Maximum Ratings" may cause permanent damage to the device.

Recommended Operating Conditions

● Input Voltage (V_IN) ----------------------------------------------------------------------------------------------- +2.8V to +5.5V

● Operating Temperature Range (T_OPR) ---------------------------------------------------------------------- -40°C to +85°C

Electrical Characteristics

(V_IN=V_OUT+1.2V or V_IN=3.5V whichever is greater, C_IN=1µF, C_OUT=1µF, T_A=25ºC, unless otherwise specified)

Parameter

Output Voltage Accuracy

Current Limit

Symbol

V_OUT

I_LIMIT

Conditions

Min

-2

Typ

Max

Unit

I_O= 1mA

R_Load=1Ω

Quiescent Current

I_Q

I_O= 0mA

1.6

1.3

1.1

2.1

1.7

1.4

µA

1.2V ≤ V_OUT≤ 2.0V

2.0V < V_OUT≤ 2.8V

2.8V < V_OUT≤ 4.5V

Dropout Voltage (Note4)

V_DROP

I_O=1A

Line Regulation

I_O=1mA, V_IN=V_OUT+1V to 5V

I_O=0mA to 1A

V_LINE

V_LOAD

PSRR

T.C.

Load Regulation (Note5)

Ripple Rejection

V_IN=V_OUT+1V

f_RIPPLE= 120Hz, C_OUT= 1µF

Temperature Coefficient (Note6)

I_OUT= 1mA, V_IN= 5V

100

160

ppm/ºC

ºC

T_SD

Thermal Shutdown Temperature

(Note6)

Hysteresis

ºC

T_SD

Note 4：The dropout voltage is defined as V_IN-V_OUT, which is measured when V_OUTdrops 2% of its normal value with the specified output

current.

Note 5：Load regulation and dropout voltage are measured at a constant junction temperature by using a 40ms low duty cycle current

pulse.

Note 6：Guarantee by design.

FP6136-1.8-FEB -2012

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FP6136

Typical Performance Curves

C_IN=1uF

C_OUT=1uF

V_O=3.3V

C_IN=1uF

C_OUT=1uF

V_O=1.8V

3.5

4.0

4.5

5.0

5.5

6.0

4.0

4.5

5.0

5.5

6.0

Input voltage(V)

Input Volage(V)

Figure 4. Quiescent Current vs. Input Voltage

Figure 5. Quiescent Current vs. Input Voltage

1.40

1.35

1.30

1.25

1.20

1.15

1.10

1.40

1.35

1.30

1.25

1.20

1.15

1.10

C_IN=1uF

C_OUT=1uF

V_O=3.3V

C_IN=1uF

COUT=1uF

_VO=1.8V

3.5

4.0

4.5

5.0

5.5

6.0

3.5

4.0

4.5

5.0

5.5

6.0

Input Voltage(V)

Figure 6. Current limit vs. Input Voltage

Figure 7. Current Limit vs. Input Voltage

1.40

1.35

1.30

1.25

1.20

1.15

1.10

1.40

1.35

1.30

1.25

1.20

1.15

1.10

C_IN=1uF

C_OUT=1uF

V_O=3.3V

C_IN=1uF

C_OUT=1uF

V_O=1.8V

-25

100

125

-25

100

Temperature( ^oC)

Figure 8. Current limit vs. Temperature

Figure 9. Current limit vs. Temperature

FP6136-1.8-FEB -2012

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FP6136

Typical Performance Curves (Continued)

V_IN=5V

V_OUT=3.3V

C_IN=1uF

C_OUT=1uF

V_OUT=3.3V

C_IN=1uF

C_OUT=1uF

-25

100

125

-25

100

125

Temperature(^oC)

Temperature( ^oC)

Figure 10. Quiescent Current vs. Temperature

Figure 11. Quiescent Current vs. Temperature

3.6

2.0

C_IN=1uF

C_OUT=1uF

V_O=3.3V

C_IN=1uF

C_OUT=1uF

V_O=1.8V

3.5

3.4

3.3

3.2

3.1

3.0

1.9

1.8

1.7

1.6

1.5

-25

100

125

-25

100

125

Temperature( ^oC)

Figure 12. Temperature Stability

Figure 13. Temperature Stability

1,400

1,200

1,000

800

C_IN=1uF

C_OUT=1uF

V_O=3.3V

Tj=85C

Tj=25C

600

Tj=-40C

400

200

400

600

800

1000

Loading Current(mA)

Figure 14. Dropout Voltage vs. Loading Current

FP6136-1.8-FEB -2012

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FP6136

Typical Performance Curves (Continued)

V_IN=3V to 4V

V_OUT= 1.8V

V_IN=3V to 4V

V_OUT= 1.8V

I_OUT=10mA, C_IN=1µF,C_OUT=4.7µF

I_OUT=10mA, C_IN=1µF, C_OUT=1µF

Figure 15. Line Transition Response

Figure 16. Line Transition Response

V_IN=4.5V, C_IN=1µF, C_OUT=1µF

V_OUT=3.3V

V_IN=4.5V, C_IN=1µF, C_OUT=4.7µF

V_OUT=3.3V

I_OUT=1mA to 250mA

Figure 17. Load Transition Response

Figure 18. Load Transition Response

V_IN=4.5V, C_IN=1µF, C_OUT=4.7µF

V_OUT=3.3V

I_OUT=1mA to 1A

Figure 19. Load Transition Response

FP6136-1.8-FEB -2012

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FP6136

Application Information

The FP6136 series are low dropout linear regulators

that could provide 1A output current at dropout

voltage about 1.1V. Besides, current limit and on

chip thermal shutdown features provide protection

against overload or any condition when the ambient

temperature exceeds the junction temperature.

Protection Features

In order to prevent overloading or thermal condition

from damaging device, FP6136 regulator has

internal thermal and current limit functions designed

to protect the device. It will rapidly shut off PMOS

pass element during over temperature condition.

Output and Input Capacitor

Thermal Consideration

The FP6136 regulator is designed to be stable with a

wide range of output capacitors. The ESR of the

output capacitor affects stability. Larger value of the

output capacitor decreases the peak deviations and

improves transition response for larger current

changes.

The power handling capability of the device will be

limited by allowable operation junction temperature

(125C). The power dissipated by the device will

be estimated by P_D= I_OUT (V_IN-V_OUT). The power

dissipation should be lower than the maximum

power dissipation listed in “Absolute Maximum

Ratings” section.

The capacitor types (aluminum, ceramic, and

tantalum) have different characterizations such as

temperature and voltage coefficients. All ceramic

capacitors are manufactured with a variety of

dielectrics, each with different behavior across

temperature and applications. Common dielectrics

used are X5R, X7R and Y5V. It is recommended to

use 1µF to 10µF X5R or X7R dielectric ceramic

capacitors with 30mΩ to 50mΩ ESR range between

device outputs to ground for transient stability. The

FP6136 is designed to be stable with low ESR

ceramic capacitors and higher values of capacitors,

and ESR could improve output stability. So the

ESR of output capacitor is very important because it

generates a zero to provide phase lead for loop

stability.

There are no requirements for the ESR on the input

capacitor, but its voltage and temperature coefficient

have to be considered for device application

environment.

FP6136-1.8-FEB -2012

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FP6136

Outline Information

SOT-223 Package (Unit: mm)

DIMENSION IN MILLIMETER

SYMBOLS

UNIT

MIN

MAX

1.55

1.80

0.05

1.50

0.60

2.85

6.30

3.30

6.70

2.20

4.50

0.75

0.10

1.70

0.84

3.10

6.70

3.70

7.30

2.40

4.70

0.85

Note: Followed From JEDEC TO-261-C.

Carrier Dimensions

FP6136-1.8-FEB -2012

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FP6136

Outline Information (Continued)

TDFN-8 3mm x 3mm (Pitch:0.65mm ) Package (Unit: mm)

DIMENSION IN MILLIMETER

SYMBOLS

UNIT

MIN

0.70

0.00

0.18

2.90

0.30

0.25

0.60

1.60

1.35

MAX

0.80

0.05

0.25

3.10

0.50

0.35

0.70

2.50

1.75

Carrier Dimensions

Life Support Policy

Fitipower’s products are not authorized for use as critical components in life support devices or other medical systems.

FP6136-1.8-FEB -2012

FP613625IR3PTR [FITIPOWER]

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