參數資料
型號： UPC2903HB
元件分類： 固定正電壓單路輸出LDO穩(wěn)壓器
英文描述： 3 V FIXED POSITIVE LDO REGULATOR, 1 V DROPOUT, PSIP3
封裝： SC-64, 3 PIN
文件頁數： 4/20頁
文件大?。?/td> 93K
代理商： UPC2903HB
PC2900 Series
12
ELECTRICAL CHARACTERISTICS
PC2912 (TJ = 25
°C, VIN = 15 V, IO = 500 mA, CIN = 0.22 F, COUT = 47 F,
unless otherwise specified.)
Parameters
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Output Voltage
VO
11.52
12
12.48
V
0
°C ≤ TJ ≤ 125 °C, 13 V ≤ VIN ≤ 18 V,
11.4
12.6
0 A
≤ IO ≤ 500 mA
0
°C ≤ TJ ≤ 125 °C, 0 A ≤ IO ≤ 1 A
Line Regulation
REGIN
13 V
≤ VIN ≤ 18 V
38
120
mV
Load Regulation
REGL
0 A
≤ IO ≤ 1 A
35
120
mV
Quiescent Current
IBIAS
IO = 0 A
2.1
4.0
mA
IO = 1 A
26
60
Startup Quiescent Current
IBIAS (s)
VIN = 11.5 V, IO = 0 A
10
30
mA
VIN = 11.5 V, IO = 1 A
80
Quiescent Current Change
IBIAS
0
°C ≤ TJ ≤ 125 °C, 13 V ≤ VIN ≤ 18 V
1.5
20
mA
Output Noise Voltage
Vn
10 Hz
≤ f ≤ 100 kHz
210
Vr.m.s.
Ripple Rejection
RR
f = 120 Hz, 13 V
≤ VIN ≤ 18 V
40
52
dB
Dropout Voltage
VDIF
0
°C ≤ TJ ≤ 125 °C, IO = 1 A
0.7
1.0
V
Short Circuit Current
IO short
VIN = 14 V
1.7
A
VIN = 18 V
1.0
Peak Output Current
IO peak
VIN = 14 V
1.1
1.6
3.0
A
VIN = 18 V
1.4
2.0
3.0
Temperature Coefficient of
VO/T0 °C ≤ TJ ≤ 125 °C, IO = 5 mA
2.1
mV/
°C
Output Voltage
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