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| SI9185 Datasheet, PDF (3/12 Pages) Vishay Siliconix – Micropower 500-mA CMOS LDO Regulator | |||
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Si9185
Vishay Siliconix
SPECIFICATIONS
Parameter
Symbol
Test Conditions
Unless Otherwise Specified
VIN = VOUT(nom) + 1 V, IOUT = 1 mA
CIN = 2.2 mF, COUT = 2.2 mF, VSD = 1.5 V
Limits
â40 to 85_C
Tempa Minb Typc Maxb
Unit
Dropout Voltaged
(@VOUT(nom) w 2 V)
Dropout Voltaged
(@VOUT(nom) w 2.5 V)
VIN â VOUT
Dropout Voltaged
(@VOUT(nom) w 3.3 V)
VIN â VOUT
Dropout Voltaged
(@VOUT(nom) w 5 V)
VIN â VOUT
Dropout Voltaged
(@VOUT(nom) t 2 V, VIN w 2 V)
VIN â VOUT
Ground Pin Current
IGND
Shutdown Supply Current
ADJ Pin Current
Peak Output Current
Output Noise Voltage
IIN(off)
IADJ
IO(peak)
eN
Ripple Rejection
DVOUT/DVIN
Dynamic Line Regulation
Dynamic Load Regulation
VOUT Turn-On-Time
Thermal Shutdown
Thermal Shutdown Junction Temp
Thermal Hysteresis
Short Circuit Current
Shutdown Input
SD Input Voltage
DVO(line)
DVO(load)
tON
tJ(s/d)
tHYST
ISC
VIH
VIL
IOUT = 10 mA
IOUT = 200 mA
IOUT = 500 mA
IOUT = 200 mA
IOUT = 500 mA
IOUT = 200 mA
IOUT = 500 mA
IOUT = 200 mA
IOUT = 500 mA
IOUT = 200 mA
IOUT = 500 mA
IOUT = 0 mA
IOUT = 200 mA
IOUT = 500 mA
VSD = 0 V
ADJ = 1.2 V
VOUT w 0.95 x VOUT(nom), tpw = 2 ms
BW = 50 Hz to 100 kHz
IOUT = 150 mA
w/o CNOISE
CNOISE = 0.1 mF
f = 1 kHz
IOUT = 150 mA
f = 10 kHz
f = 100 kHz
VIN : VOUT(nom) + 1 V to VOUT(nom) + 2 V
tR/tF = 5 ms, IOUT = 500 mA
IOUT : 1 mA to 150 mA, tR/tF = 2 ms
VIN = 4.3 V
VOUT = 3.3 V
w/o CNOISE Cap
CNOISE = 0.1 mF
VOUT = 0 V
High = Regulator ON (Rising)
Low = Regulator OFF (Falling)
Room
Room
Room
Full
Room
Room
Full
Room
Room
Full
Room
Room
Full
Room
Room
Full
Room
Room
Full
Room
Full
Room
Room
Room
Room
Room
Room
Room
Room
Room
Room
Room
Room
Room
Room
Room
Full
Full
5
20
145
215
320
480
600
115
175
250
400
480
90
135
mV
200
300
400
60
100
150
210
300
170
250
415
625
825
150
1000
1500
mA
2500
4000
0.1
1
mA
5
100
nA
600
mA
200
mV (rms)
100
60
60
dB
40
10
mV
30
5
ms
2
mS
165
_C
20
800
mA
1.5
VIN
V
0.4
Document Number: 71765
S-20641âRev. B, 06-May-02
www.vishay.com
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