PJ2931CS-3.3V Просмотр технического описания (PDF) - Promax Johnton
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PJ2931CS-3.3V Datasheet PDF : 5 Pages
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PJ2931
Ultra Low Dorpout Voltator
ELECTRICAL CHARACTERISTICS(VIN=14V,Io=10mA, TJ=25℃(Note 1), Co=100μF(unless otherwise specified)
Parameter
Output Voltage (Fix Type)
Input Supply Voltage
Line Regulation
Load Regulation
Dropout Voltage
Ground Current
Conditions
-20℃≤Tj ≤85℃
Full operating temperature
Io =100uA ~ 100mA, Tj ≤Tj max
13V≤VIN≤16V
5mA≤Io≤100mA
Io=10mA
Io=100mA
Io=100uA
Io=10mA
Io=100mA
Min.
0.985|Vo|
0.980|Vo|
0.975|Vo|
-
-
-
-
-
-
-
-
PJ2931
Typ.
Vo
-
-
-
4
14
60
300
0.1
0.9
8
Max.
1.015|Vo|
1.020|Vo|
1.025|Vo|
26
30
50
200
600
0.15
1.5
12
Units
V
mV
mV
V
mA
Current Iinit
Vout=0
-
160
200
mA
Output Noise Voltage
10Hz-100KHz, COUT=100µF
-
500
-
uVRMS
Ripple Rejection Ratio
Io =10mA, fo=120Hz
60
-
-
dB
Adjustable Type Only
Reference Voltage
Vout = 3V, Io≤100mA, R1=27K
1.21 1.235
1.26
V
Full Operation Temperature
1.185
-
1.285
Feedback Pin Bias Current
-
20
40
nA
Reference Voltage Temperature
-
50
-
Ppm/℃
Shutdown Input
Input Logic Voltage
Low (Regulator ON)
High (Regulator OFF)
-
1.3
0.7
V
2
-
-
Shutdown Pin Input Current
Vs=2.4V
-
30
50
Vs=26V
-
450
600
uA
Regulator Output Current in Shutdown
-
3
10
Note 1: Output or reference voltage temp. coefficients defined as the worst case voltage change divided by the total temp. range.
Note 2: Regulations is measured at constant junction temperature, using pulse testing with a low duty cycle. Changes in output
voltage due to heating effects is covered under the specification for thermal regulation.
Note 3: Line regulation is tested at 125℃for IL=1mA, For IL=100μA and TJ=125℃.
Note 4: Dropout voltage is defined as the input to output differential at which the output voltage drops 2％ below it’s nominal
value measured at 1V differential.
Note 5: Ground pin current is the regulator quiescent current. The total current drawn form the source is the sum of the ground pin
current and output load current.
Note 6: Thermal regulation is the change in output voltage at a time T after a change in power dissipation, excluding load or line
regulation effects. Specifications are for a 50mA load pulse (1.25W) for T=10ms.
Note 7: Vref ≦Vout ≦(Vin-1V), 2.3V≦Vin≦26V, 100μA≦IL≦100mA, TJ≦TJMAX
Note 8: Vshutdown ≧2V, Vin≦26V, Vout=0V
2-5
2003/01 .rev.A-1
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