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SI91821DH-33-T1 датащи(PDF) 2 Page - Vishay Siliconix

номер детали SI91821DH-33-T1
подробное описание детали  Micropower 300-mA CMOS LDO Regulator With Error Flag
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производитель  VISHAY [Vishay Siliconix]
домашняя страница  http://www.vishay.com
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Si91821
Vishay Siliconix
www.vishay.com
2
Document Number: 71614
S-51147–Rev. E, 20-Jun-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 MSOPb
666 mW
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Impedance (QJA)a
8-Pin MSOPb
185_C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Notes
a.
Device mounted with all leads soldered or welded to PC board.
b.
Derate 10 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
2.35 V to 6 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output Voltage, VOUT
1.5 to 5.0 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SD Input Voltage, VSD
0 V to VIN
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IOUT
0 to 300 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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 = 0.033 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
Input Voltage
VIN
2.35
6.0
V
Output Voltage
VOUT
Adjustable Version
Full
1.5
5.0
V
Output Voltage Accuracy
VOUT
1 mA v IOUT v 300 mA
Room
−1.5
1.5
%
Output Voltage Accuracy
(to stated output voltage)
VOUT
1 mA v IOUT v 300 mA
Full
−2.5
2.5
%
VOUT(nom)
Feedback Voltage (ADJ Version)
VSET
Room
1.191
1.215
1.239
V
Feedback Voltage (ADJ Version)
VSET
Full
1.179
1.251
V
Line Regulation
(Except 5-V Version)
DV
100
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
VIN − VOUT
IOUT = 200 mA
Full
80
135
mV
pg
IN
OUT
IOUT = 300 mA
Full
120
200
IOUT = 0 mA
Full
150
270
Ground Pin Current
IGND
IOUT = 200 mA
Room
500
mA
GND
IOUT = 300 mA
Room
600
mA
Shutdown Supply Current
IIN(off)
VSD = 0 V
Room
0.1
1
Peak Output Current
IO(peak)
VOUT w 0.95 x VOUT(nom), tpw = 2 ms
Room
500
mA
BW = 10 Hz to 100 kHz
w/o CNOISE
Room
260
Output Noise Voltage
eN
BW = 10 Hz to 100 kHz
IOUT = 150 mA
CNOISE = 0.1 mF
Room
37
mV (rms)
Output Noise Voltage
eN
BW = 10 to 100 kHz
IOUT = 10 mA
CNOISE = 33 nF
Room
54
mV (rms)
f = 1 kHz
Room
60
Ripple Rejection
DVOUT/DVIN
IOUT = 150 mA
f = 10 kHz
Room
50
dB
pp
j
OUT
IN
OUT
f = 100 kHz
Room
40


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