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SI9181DB 数据表(PDF) 2 Page - Vishay Siliconix

部件名 SI9181DB
功能描述  Micropower 350-mA CMOS LDO Regulator With Error Flag/Power-On-Reset
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制造商  VISHAY [Vishay Siliconix]
网页  http://www.vishay.com
标志 VISHAY - Vishay Siliconix

SI9181DB 数据表(HTML) 2 Page - Vishay Siliconix

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Si9181
Vishay Siliconix
www.vishay.com
2
Document Number: 71119
S-50955—Rev. F, 16-May-05
ABSOLUTE MAXIMUM RATINGS
Input Voltage, VIN
6.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SD Input Voltage, VSD
−0.3 V to VIN
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output Current, IOUT
Short Circuit Protected
. . . . . . . . . . . . . . . . . . . . . . . . . .
Output Voltage, VOUT
−0.3 V to VO(nom) + 0.3 V
. . . . . . . . . . . . . . . . . . . . . . . .
Maximum Junction Temperature, TJ(max)
150_C
. . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature, TSTG
−55_C to 150_C
. . . . . . . . . . . . . . . . . . . . . . . . . .
ESD (Human Body Model)
2 kV
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Dissipation (Package)a
8-Pin TSSOP
833 mW
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Impedance (QJA)
8-Pin TSSOPb
120_C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Notes
a.
Device mounted with all leads soldered or welded to PC board.
b.
Derate 8.3 mW/_C above TA = 25_C
Stresses beyond 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 beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
RECOMMENDED OPERATING RANGE
Input Voltage, VIN
2 V to 6 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output Voltage, VOUT (Adjustable Version)
1.5 V to 5 V
. . . . . . . . . . . . . . . . . .
SD Input Voltage, VSD
0 V to VIN
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Ambient Temperature, TA
−40_C to 85_C
. . . . . . . . . . . . . . . . . . . .
Operating Junction Temperature, TJ
−40_C to 125_C
. . . . . . . . . . . . . . . . . . .
CIN = 2.2 mF, COUT = 2.2 mF (ceramic, X5R or X7R type) , CNOISE = 0.1 mF (ceramic)
COUTRange = 1 mF to 10 mF ("10%, x5R or x7R type)
CIN w COUT
SPECIFICATIONS
Test Conditions
Unless Otherwise Specified
V
V
1 V I
1 A
Limits
−40 to 85_C
Parameter
Symbol
VIN = VOUT(nom) + 1 V, IOUT = 1 mA
CIN = 2.2 mF, COUT = 2.2 mF, VSD = 1.5 V
Tempa
Minb
Typc
Maxb
Unit
Output Voltage Range
Adjustable Version
Full
1.5
5
V
Output Voltage Accuracy
VOUT
1 mA v IOUT v 350 mA
Room
−1.5
1.5
% VO(
)
Output Voltage Accuracy
(Fixed Versions)
OUT
1 mA v IOUT v 350 mA
Full
−2.5
2.5
% VO(nom)
Feedback Voltage (ADJ Version)
VADJ
Room
1.191
1.215
1.239
V
Feedback Voltage (ADJ Version)
VADJ
Full
1.179
1.251
V
Line Regulation
(Except 5-V Version)
From VIN = VOUT(nom) + 1 V
to VOUT(nom) + 2 V
Full
−0.18
0.18
Line Regulation (5-V Version)
DVOUT 100
V
V
From VIN = 5.5 V to 6 V
Full
−0.18
0.18
%/V
Line Regulation (ADJ Version)
VIN VOUT(nom)
VOUT = 1.5 V, From VIN = 2.5 V to 3.5 V
Full
−0.18
0.18
%/V
Line Regulation (ADJ Version)
VOUT = 5 V, From VIN = 5.5 V to 6 V
Full
−0.18
0.18
IOUT = 10 mA
Room
5
20
Dropout Voltaged
IOUT = 200 mA
Room
85
180
Dropout Voltaged
(@VOUT w 2 V)
IOUT = 350 mA
Room
150
400
VIN − VOUT
IOUT = 350 mA
Full
550
mV
d
IN
OUT
IOUT = 200 mA
Room
170
250
Dropout Voltaged
(@VOUT t 2 V, VIN w 2 V)
IOUT = 350 mA
Room
290
425
(@VOUT t 2 V, VIN w 2 V)
IOUT = 350 mA
Full
575
IOUT = 0 mA
Room
150
IOUT = 200 mA
Room
1000
Ground Pin Current
IGND
IOUT = 200 mA
Full
1500
mA
GND
IOUT = 350 mA
Room
1500
m
IOUT = 350 mA
Full
2800


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