TC553002IMBTR [MICROCHIP]
Regulator;
| 型号： | TC553002IMBTR |
| 厂家： | 
MICROCHIP |
| 描述： | Regulator |
| 文件： | 总18页 (文件大小：382K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
TC55
M
1 µA Low Dropout Positive Voltage Regulator
Features
General Description
• Very Low Dropout Voltage: 120 mV (typ) at
The TC55 Series is a collection of CMOS low dropout
positive voltage regulators that can source up to
250 mA of current, with an extremely low input-output
voltage differential of 380 mV (typ) at 200 mA.
100 mA, 380 mV (typ) at 200 mA
• High Output Current: 250 mA (V
= 5.0V)
OUT
• High Accuracy Output Voltage: ±2% (max)
(±1% Semi-Custom Version)
• Low Power Consumption: 1.1 µA (typ)
• Low Temperature Drift: ±100 ppm/°C (typ)
• Excellent Line Regulation: 0.2%/V (typ)
• Package Options: 3-Pin SOT-23A, 3-Pin SOT-89
and 3-Pin TO-92
• Short Circuit Protection
The TC55’s low dropout voltage, combined with the low
current consumption of only 1.1 µA (typ), makes it
ideal for battery operation. The low voltage differential
(dropout voltage) extends the battery operating life-
time. It also permits high currents in small packages
when operated with minimum V – V
differentials.
IN
OUT
The circuit also incorporates short-circuit protection to
ensure maximum reliability.
Applications
• Battery Powered Devices
• Cameras and Portable Video Equipment
• Pagers and Cellular Phones
• Solar Powered Instruments
• Consumer Products
Functional Block Diagram
V
V
OUT
IN
Short-circuit
Protection
+
–
Package Types
3-Pin SOT-23A
3-Pin SOT-89
Voltage
V
Reference
IN
2
TC55
TC55
GND
1
3
OUT
1
2
3
GND
V
GND V
V
IN OUT
3-Pin TO-92
1 2 3
GND V
V
IN OUT
Note: 3-Pin SOT-23A is equivalent to the
EIAJ SC-59.
2002 Microchip Technology Inc.
DS21435C-page 1
TC55
*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 may affect device reliability.
1.0
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings*
Input Voltage ........................................................+12V
Output Current .............................. P /(V – V )mA
D
IN
OUT
Output Voltage ................. (V – 0.3V) to (V + 0.3V)
SS
IN
Power Dissipation (T ≤ 70°C):
A
3-Pin SOT-23A..........................................240 mW
3-Pin SOT-89 ............................................400 mW
3-Pin TO-92...............................................300 mW
Operating Temperature Range.............-40°C to +85°C
Storage Temperature Range..............-65°C to +150°C
ELECTRICAL SPECIFICATIONS
TC55RP50:
Electrical Characteristics: Unless otherwise specified, VOUT(S) = 5.0V, TA = 25°C (see Note 1).
Parameter
Output Voltage
Sym
Min
Typ
Max
Units
Test Conditions
IOUT = 40 mA
VIN = 6.0V
VOUT(A)
—
4.90
—
5.0
—
5.10
V
Maximum Output Current
Load Regulation
I/O Voltage Difference
IOUTMAX
∆VOUT
VDIF
250
—
—
—
—
—
—
40
120
380
1.1
0.2
—
80
300
600
3.0
0.3
mA
mV
mV
VIN = 6.0V, VOUT(A) ≥ 4.5V
VIN = 6.0V, 1 mA ≤ IOUT ≤ 100 mA
IOUT = 100 mA
I
OUT = 200 mA
VIN = 6.0V
OUT = 40 mA
6.0V ≤ VIN ≤ 10.0V
Current Consumption
Voltage Regulation
ISS
µA
%/V
VOUT(A)•100
∆VIN•VOUT(S)
VIN
∆VOUT(A)•106
VOUT(S)•∆TA
I
Input Voltage
Temperature Coefficient of
Output Voltage
—
—
—
±100
10
—
V
ppm/°C IOUT = 40 mA
-40°C ≤ TA ≤ 85°C
Long Term Stability
—
0.5
—
%
TA = 125°C, 1000 Hours
TC55RP40
Electrical Characteristics: Unless otherwise specified, VOUT(S) = 4.0V, TA = 25°C (see Note 1).
Parameter
Output Voltage
Symbol
Min
Typ
Max
Units
Test Conditions
IOUT = 40 mA
VIN = 5.0V
VOUT(A)
—
3.92
—
4.0
—
4.08
V
Maximum Output Current
Load Regulation
I/O Voltage Difference
IOUTMAX
∆VOUT
VDIF
200
—
—
—
—
—
—
45
170
400
1.0
0.2
—
90
330
630
2.9
0.3
mA
mV
mV
VIN = 5.0V, VOUT(A) ≥ 3.6V
VIN = 5.0V, 1 mA ≤ IOUT ≤ 100 mA
IOUT = 100 mA
I
OUT = 200 mA
VIN = 5.0V
OUT = 40 mA
5.0V ≤ VIN ≤ 10.0V
Current Consumption
Voltage Regulation
ISS
µA
%/V
∆VOUT(A)•100
∆VIN•VOUT(S)
VIN
∆VOUT(A)
VOUT(S)•∆TA
I
Input Voltage
Temperature Coefficient of
Output Voltage
—
—
—
±100
10.0
—
V
ppm/°C IOUT = 40 mA
-40°C ≤ TA ≤ 85°C
Long Term Stability
—
0.5
—
%
TA = 125°C, 1000 Hours
Note 1: VOUT(S): Preset value of output voltage; VOUT(A): Actual value of output voltage; VDIF: Definition of I/O voltage
difference = {VIN1 – VOUT(A)}; VOUT(A): Output voltage when IOUT is fixed and VIN = VOUT(S) + 1.0 V; VIN1: Input voltage
when the output voltage is 98% VOUT(A).
DS21435C-page 2
2002 Microchip Technology Inc.
TC55
ELECTRICAL SPECIFICATIONS (CONTINUED)
TC55RP30
Electrical Characteristics: Unless otherwise specified, VOUT(S) = 3.0V, TA = 25°C (see Note 1).
Parameter
Output Voltage
Symbol
Min
Typ
Max
Units
Test Conditions
IOUT = 40 mA
VIN = 4.0V
VOUT(A)
—
2.94
—
3.0
—
3.06
V
Maximum Output Current
Load Regulation
I/O Voltage Difference
IOUTMAX
∆VOUT
VDIF
150
—
—
—
—
—
—
45
180
400
0.9
0.2
—
90
360
700
2.8
0.3
mA
mV
mV
VIN = 4.0V, VOUT(A) ≥ 2.7V
VIN = 4.0V, 1 mA ≤ IOUT ≤ 80 mA
IOUT = 80 mA
I
OUT = 160 mA
VIN = 4.0V
OUT = 40 mA
4.0V ≤ VIN ≤ 10.0V
Current Consumption
Voltage Regulation
ISS
µA
%/V
VOUT(A)•100
∆VIN•VOUT(S)
VIN
∆VOUT(A)•106
∆TA•VOUT(S)
I
Input Voltage
Temperature Coefficient of
Output Voltage
—
—
—
±100
10.0
—
V
ppm/°C
IOUT = 40 mA
-40°C ≤ TA ≤ 85°C
Long Term Stability
—
0.5
—
%
TA = 125°C, 1000 Hours
Note 1: VOUT(S): Preset value of output voltage; VOUT(A): Actual value of output voltage; VDIF: Definition of I/O voltage
difference = {VIN1 – VOUT(A)}; VOUT(A): Output voltage when IOUT is fixed and VIN = VOUT(S) + 1.0 V; VIN1: Input voltage
when the output voltage is 98% VOUT(A).
2002 Microchip Technology Inc.
DS21435C-page 3
TC55
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.
1. OUTPUT VOLTAGE vs. OUTPUT CURRENT
TC55RP3002
TC55RP5002
V
= 4.0V
V
= 6.0V
IN
IN
3.1
3.0
2.9
5.1
5.0
4.9
-30C
25C
-30C
25C
80C
80C
4.8
4.7
2.8
2.7
0
20 40 60 80 100 120 140 160
OUTPUT CURRENT I (mA)
0
40
80
120
160
200
OUTPUT CURRENT I
(mA)
OUT
OUT
2. OUTPUT VOLTAGE vs. INPUT VOLTAGE
TC55RP3002
TC55RP3002
T
T
= 25°C
= 25°C
OPR
OPR
3.2
3.05
3.04
3.0
3.03
3.02
I
= 1 mA
OUT
40 mA
I
= 1 mA
OUT
2.8
2.6
2.4
2.2
3.01
3.00
2.99
2.98
2.97
2.96
2.95
10 mA
2.5
3.0
3.5
3
4
10
5
6
7
8
9
INPUT VOLTAGE V (V)
IN
INPUT VOLTAGE V (V)
IN
TC55RP5002
TC55RP5002
T
= 25°C
T
= 25°C
OPR
OPR
5.2
5.0
5.05
5.04
5.03
5.02
5.01
5.00
4.99
4.98
4.97
4.98
4.95
40 mA
I
= 1 mA
I
= 1 mA
OUT
OUT
4.8
4.6
4.4
4.2
10 mA
4.5
5.0
INPUT VOLTAGE V (V)
5.5
5
6
7
9
8
10
INPUT VOLTAGE V (V)
IN
IN
DS21435C-page 4
2002 Microchip Technology Inc.
TC55
TYPICAL CHARACTERISTICS (CONTINUED)
3. DROPOUT VOLTAGE vs. OUTPUT CURRENT
TC55RP3002
TC55RP5002
2.0
1.8
1.6
2.0
1.8
1.4
1.2
1.0
1.2
1.0
0.8
0.6
0.8
0.6
25C
25C
0.4
80°C
0.4
0.2
0.2
0.0
80C
-30C
-30C
0.0
-0.2
-0.2
0
20 40 60 80 100 120 140 160
OUTPUT CURRENT I (mA)
0
40
80
120
160
(mA)
200
OUTPUT CURRENT I
OUT
OUT
4. OUTPUT VOLTAGE vs. OPERATING TEMPERATURE
TC55RP3002
TC55RP5002
V
= 6.0V
V
= 4.0V
IN
IN
3.10
3.08
3.06
5.10
5.08
5.06
3.04
5.04
3.02
3.00
2.98
2.96
2.94
5.02
5.00
4.98
4.96
4.94
I
= 10 mA
OUT
I
= 10 mA
OUT
40 mA
40 mA
2.92
2.90
4.92
4.90
-40 -20
0
20 40
60
80 100
-40 -20
0
20 40
60
80 100
OPERATING TEMPERATURE (°C)
OPERATING TEMPERATURE (°C)
5. SUPPLY CURRENT vs. INPUT VOLTAGE
TC55RP3002
TC55RP5002
T
= 25C
T
= 25C
OPR
OPR
1.5
1.4
1.3
1.2
2.0
1.9
1.8
1.7
1.1
1.0
0.9
0.8
0.7
1.6
1.4
1.3
1.2
1.1
1.0
0.5
0.6
0.5
5
7
8
9
10
3
4
5
6
7
8
9
10
6
(V)
INPUT VOLTAGE V (V)
IN
IN
2002 Microchip Technology Inc.
DS21435C-page 5
TC55
TYPICAL CHARACTERISTICS (CONTINUED)
6. SUPPLY CURRENT vs. OPERATING TEMPERATURE
TC55RP3002
TC55RP5002
V
= 4.0V
V
= 6.0V
IN
IN
1.5
1.4
2.0
1.9
1.8
1.2
1.7
1.1
1.0
1.6
1.5
0.9
0.8
0.7
0.6
0.5
1.4
1.3
1.2
1.1
1.0
-40 -20
0
20 40
60
80 100
-40 -20
0
20 40
60
80 100
C)
C)
7. INPUT TRANSIENT RESPONSE
TC55RP5002
TC55RP5002
I
= 1 mA
I
= 10 mA
OUT
OUT
8.0
7.5
8.0
Input
Input
Voltage
Voltage
7.5
7.0
7.0
6.5
6.0
5.5
5.0
6.5
6.0
5.5
5.0
Output
Voltage
Output
Voltage
5.0
4.5
4.0
4.5
4.0
-1
0
1
2
3
-1
0
1
2
3
TIME (msec)
TIME (msec)
8. LOAD TRANSIENT RESPONSE
TC55RP3002
7
TC55RP3002
5
200
160
200
160
6
4
3
Output Voltage
5
Output Voltage
120
120
80
40
80
40
4
2
Output Current
Output Current
3
1
0
40 mA
40 mA
1 mA
1 mA
2
0
0
TIME (2 msec/div)
TIME (2 msec/div)
DS21435C-page 6
2002 Microchip Technology Inc.
TC55
3.0
PIN DESCRIPTIONS
4.0
DETAILED DESCRIPTION
The descriptions of the pins are listed in Table 3-1.
The TC55 is a low quiescent current, precision, fixed
output voltage LDO. Unlike bipolar regulators, the
TC55 supply current does not increase proportionally
with load current.
TABLE 3-1:
Pin No.
PIN FUNCTION TABLE
Description
Symbol
4.1
Output Capacitor
1
2
3
GND
Ground Terminal
Unregulated Supply Input
Regulated Voltage Output
V
IN
A minimum of 1 µF output capacitor is required. The
output capacitor should have an effective series resis-
tance greater than 0.1Ω and less than 5Ω, plus a reso-
nant frequency above 1 MHz. Larger output capacitors
can be used to improve supply noise rejection and tran-
sient response. Care should be taken when increasing
V
OUT
C
to ensure that the input impedance is not high
OUT
enough to cause high input impedance oscillation.
4.2
Input Capacitor
A 1 µF input capacitor is recommended for most
applications when the input impedance is on the order
of 10 ohms. Larger input capacitance may be required
for stability when operating off of a battery input, or if
there is a large distance from the input source to the
LDO. When large values of output capacitance are
used, the input capacitance should be increased to
prevent high source impedance oscillations.
2002 Microchip Technology Inc.
DS21435C-page 7
TC55
Given:
5.0
THERMAL CONSIDERATIONS
V
= 3.3V to 4.1V
= 3.0 V ± 2%
= 1 mA to 100 mA
= 55°C
= (4.1V – (3.0V x 0.98)) x 100 mA
= 116.0 milliwatts
IN
5.1
Power Dissipation
V
OUT
OUT
The amount of power dissipated internal to the low
dropout linear regulator is the sum of the power dissi-
pation within the linear pass device (P-Channel MOS-
FET) and the quiescent current required to bias the
internal reference and error amplifier. The internal lin-
ear pass device power dissipation is calculated by mul-
tiplying the voltage across the linear device by the
current through the device.
I
T
AMAX
P
P
MAX
MAX
To determine the junction temperature of the device, the
thermal resistance from junction to air must be known.
The 3-pin SOT-23 thermal resistance from junction to
air (R ) is estimated to be approximately 359°C/W
θJA
EQUATION
when mounted on a 4-layer board. The SOT-89 R
θJA
P (Pass Device) = (V – V
) x I
OUT
is estimated to be approximately 110°C/W when
mounted on 1 square inch of copper. The TO-92 R is
D
IN
OUT
θJA
The internal power dissipation, as a result of the bias
current for the LDO internal reference and error
amplifier, is calculated by multiplying the ground or
quiescent current by the input voltage.
estimated to be 131.9°C/W when mounted on a 4-layer
board. The R
will vary with physical layout, airflow
θJA
and other application specific conditions.
The device junction temperature is determined by
calculating the junction temperature rise above
ambient, then adding the rise to the ambient
temperature.
EQUATION
P (Bias) = V x I
GND
D
IN
EQUATION
The total internal power dissipation is the sum of P
D
(Pass Device) and P (Bias).
D
Junction Temperature
SOT-23 Example:
EQUATION
T = P
x R
+ T
θJA A
J
DMAX
P
= P (Pass Device) + P (Bias)
D D
TOTAL
T = 116.0 milliwatts x 359°C/W + 55°C
J
T = 96.6°C
J
For the TC55, the internal quiescent bias current is so
SOT-89 Example:
low (1 µA typical) that the P (Bias) term of the power
D
T = 116.0 milliwatts x 110°C/W + 55°C
dissipation equation can be ignored. The maximum
power dissipation can be estimated by using the
maximum input voltage and the minimum output
voltage to obtain a maximum voltage differential
between input and output. The next step would be to
multiply the maximum voltage differential by the
maximum output current.
J
T = 67.8°C
J
TO-92 Example:
T = 116.0 milliwatts x 131.9°C/W + 55°C
J
T = 70.3°C
J
EQUATION
P
= (V
– V
) x I
D
INMAX
OUTMIN OUTMAX
DS21435C-page 8
2002 Microchip Technology Inc.
TC55
6.0
6.1
PACKAGING INFORMATION
Package Marking Information
3-Pin TO-92
3-Pin SOT-23A
3-Pin SOT-89
➀
➀
➀
➀
1
5
2
6
3
7
4
8
➀ ➀ ➀ ➀
9 10 11 12
1
2
4
3 &
1 , 2 ,
5
= 55RP (fixed)
represents first voltage digit
2 3 4 5 6
represents first voltage digit (2-6)
6 represents first voltage decimal (0-9)
7 represents extra feature code: fixed: 0
8 represents regulation accuracy
3
ex: 3.xV =
represents first decimal place voltage (x.0 - x.9)
A = x.0
B = x.1
C = x.2
D = x.3
ex: 3.4V =
E = x.4
F = x.5
H = x.6
L = x.8
M = x.9
K = x.7
1 = ±1.0% (custom), 2 = ±2.0% (standard)
3
E
9 , 10, 11 & 12
represents assembly lot number
3
4
represents polarity
0 = Positive (fixed)
represents assembly lot number
6.2
Taping Form
Component Taping Orientation for 3-Pin SOT-23A (EIAJ SC-59) Devices
User Direction of Feed
Device
Marking
W
PIN 1
P
Standard Reel Component Orientation
For TR Suffix Device
(Mark Right Side Up)
Carrier Tape, Number of Components Per Reel and Reel Size:
Package
3-Pin SOT-23A
Carrier Width (W)
Pitch (P)
Part Per Full Reel
Reel Size
8 mm
4 mm
3000
7 in.
2002 Microchip Technology Inc.
DS21435C-page 9
TC55
6.2
Taping Form (Continued)
Component Taping Orientation for 3-Pin SOT-89 Devices
User Direction of Feed
Device
Marking
W
PIN 1
P
Standard Reel Component Orientation
For TR Suffix Device
(Mark Right Side Up)
Carrier Tape, Number of Components Per Reel and Reel Size:
Package
3-Pin SOT-89
Carrier Width (W)
Pitch (P)
Part Per Full Reel
Reel Size
12 mm
8 mm
1000
7 in.
Component Taping Orientation for 3-Pin TO-92
User Direction of Feed
P
Mark
Face
MARK
FACE
MARK
FACE
MARK
FACE
Seal
Tape
Back
Tape
W
DS21435C-page 10
2002 Microchip Technology Inc.
TC55
6.3
Package Dimensions
SOT-23A-3
.020 (0.50)
.012 (0.30)
.118 (3.00)
.098 (2.50)
.071 (1.80)
.055 (1.40)
PIN 1
.075 (1.90)
REF.
.122 (3.10)
.106 (2.70)
.051 (1.30)
.035 (0.90)
.010 (0.25)
.004 (0.09)
10° MAX.
.006 (0.15)
.000 (0.00)
.022 (0.55)
.014 (0.35)
Dimensions: inches (mm)
SOT-89-3
.181 (4.60)
.173 (4.39)
.063 (1.60)
.055 (1.40)
.071 (1.80)
.063 (1.60)
.102 (2.59)
.090 (2.29)
.167 (4.24)
.019 (0.48)
.014 (0.36)
PIN 1
.031 (0.79) MIN.
.022 (0.56)
.016 (0.41)
.017 (0.43)
.014 (0.36)
.063 (1.60)
.055 (1.40)
.019 (0.48)
.014 (0.36)
Dimensions: inches (mm)
2002 Microchip Technology Inc.
DS21435C-page 11
TC55
6.3
Package Dimensions (Continued)
TO-92-3
.165 (4.19)
.125 (3.18)
.500
(12.70)
MIN.
.210 (5.33)
.170 (4.32)
.105 (2.67)
.080 (2.03)
.135
(3.43)
MIN.
.105 (2.67)
.095 (2.41)
.205 (5.21)
.175 (4.45)
.055 (1.40)
.045 (1.14)
.018 (0.46)
.015 (0.38)
.018 (0.46)
.015 (0.38)
Dimensions: inches (mm)
DS21435C-page 12
2002 Microchip Technology Inc.
TC55
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092002
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The file transfer site is available by using an FTP ser-
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2002 Microchip Technology Inc.
DS21435C-page13
TC55
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Literature Number:
DS21435C
Device:
TC55
Questions:
1. What are the best features of this document?
2. How does this document meet your hardware and software development needs?
3. Do you find the organization of this document easy to follow? If not, why?
4. What additions to the document do you think would enhance the structure and subject?
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DS21435C-page14
2002 Microchip Technology Inc.
TC55
PRODUCT IDENTIFICATION SYSTEM
To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office.
PART NO.
Device
XX
X
X
X
XX
XX
Examples:
Output Feature Tolerance Temp. Package Taping
a)
b)
c)
d)
e)
f)
TC55RP1802ECB713: 1.8V LDO Positive
Voltage Direction
Code
Voltage Regulator, 2% Tol. SOT23-A-3
package.
TC55RP2502EMB713: 1.8V LDO Positive
Voltage Regulator, 2% Tolerance.
SOT89-3 package.
TC55RP2502ECB713: 2.5V LDO Positive
Voltage Regulator, 2% Tolerance.
SOT23-A-3 package.
TC55RP3002ECB713: 3.0V LDO Positive
Voltage Regulator, 2% Tolerance.
SOT23-A-3 package.
TC55RP3002EMB713: 3.0V LDO Positive
Voltage Regulator, 2% Tolerance.
SOT89-3 package.
Device:
TC55: 1 µA Low Dropout Positive Voltage Regulator
Output Voltage:
18
25
30
33
50
=
=
=
=
=
1.8V "Standard"
2.5V "Standard"
3.0V "Standard"
3.3V "Standard"
5.0V "Standard"
Extra Feature Code:
Tolerance:
0
=
Fixed
1
2
=
=
1.0% (Custom)
2.0% (Standard)
TC55RP3302ECB713: 3.3V LDO Positive
Voltage Regulator, 2% Tolerance.
SOT23-A-3 package.
Temperature:
I
=
-40°C to +85°C
g)
h)
i)
TC55RP3302EMB713: 3.3V LDO Positive
Voltage Regulator, 2% Tolerance.
SOT89-3 package.
TC55RP5002ECB713: 5.0V LDO Positive
Voltage Regulator, 2% Tolerance.
SOT23-A-3 package.
TC55RP5002EMB713: 5.0V LDO Positive
Voltage Regulator, 2% Tolerance.
SOT89-3 package.
Package Type:
CB
MB
ZB
=
=
=
3-Pin SOT-23A (equivalent to EIAJ SC-59)
3-Pin SOT-89
3-Pin TO-92
Taping Direction:
TR
=
Standard
713 = Standard
Sales and Support
Data Sheets
Products supported by a preliminary Data Sheet may have an errata sheet describing minor operational differences and recom-
mended workarounds. To determine if an errata sheet exists for a particular device, please contact one of the following:
1. Your local Microchip sales office
2. The Microchip Corporate Literature Center U.S. FAX: (480) 792-7277
3. The Microchip Worldwide Site (www.microchip.com)
Please specify which device, revision of silicon and Data Sheet (include Literature #) you are using.
New Customer Notification System
Register on our web site (www.microchip.com/cn) to receive the most current information on our products.
2002 Microchip Technology Inc.
DS21435C-page15
TC55
NOTES:
DS21435C-page 16
2002 Microchip Technology Inc.
Information contained in this publication regarding device
applications and the like is intended through suggestion only
and may be superseded by updates. It is your responsibility to
ensure that your application meets with your specifications.
No representation or warranty is given and no liability is
assumed by Microchip Technology Incorporated with respect
to the accuracy or use of such information, or infringement of
patents or other intellectual property rights arising from such
use or otherwise. Use of Microchip’s products as critical com-
ponents in life support systems is not authorized except with
express written approval by Microchip. No licenses are con-
veyed, implicitly or otherwise, under any intellectual property
rights.
Trademarks
The Microchip name and logo, the Microchip logo, KEELOQ,
MPLAB, PIC, PICmicro, PICSTART and PRO MATE are
registered trademarks of Microchip Technology Incorporated
in the U.S.A. and other countries.
FilterLab, microID, MXDEV, MXLAB, PICMASTER, SEEVAL
and The Embedded Control Solutions Company are
registered trademarks of Microchip Technology Incorporated
in the U.S.A.
dsPIC, dsPICDEM.net, ECONOMONITOR, FanSense,
FlexROM, fuzzyLAB, In-Circuit Serial Programming, ICSP,
ICEPIC, microPort, Migratable Memory, MPASM, MPLIB,
MPLINK, MPSIM, PICC, PICDEM, PICDEM.net, rfPIC, Select
Mode and Total Endurance are trademarks of Microchip
Technology Incorporated in the U.S.A. and other countries.
Serialized Quick Turn Programming (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.
© 2002, Microchip Technology Incorporated, Printed in the
U.S.A., All Rights Reserved.
Printed on recycled paper.
Microchip received QS-9000 quality system
certification for its worldwide headquarters,
design and wafer fabrication facilities in
Chandler and Tempe, Arizona in July 1999
and Mountain View, California in March 2002.
The Company’s quality system processes and
procedures are QS-9000 compliant for its
®
PICmicro 8-bit MCUs, KEELOQ® code hopping
devices, Serial EEPROMs, microperipherals,
non-volatile memory and analog products. In
addition, Microchip’s quality system for the
design and manufacture of development
systems is ISO 9001 certified.
2002 Microchip Technology Inc.
DS21435C - page 17
M
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08/01/02
DS21435C-page 18
2002 Microchip Technology Inc.
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