LDR1825K7-R 데이터 시트보기 (PDF) - STMicroelectronics
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LDR1825K7-R Datasheet PDF : 13 Pages
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Table 5: Electrical Characteristics (VI1 = VO1+2V, VI2 = VO2+2V, VINH1 = VINH2 = 2.5V,
CI1,2 = 2.2µF, CO1,2 = 4.7µF, IO1 = IO2 = 10mA, TA = -40°C to 125°C, unless otherwise specified. Typical
values are referred at TA = 25°C)
Symbol
Parameter
VO1 Output Voltage 1
VO2 Output Voltage 2
VDROP1 Dropout Voltage 1 (1)
VDROP2 Dropout Voltage 2 (1)
∆VO1 Line Regulation 1
∆VO2 Line Regulation 2
∆VO1 Load Regulation 1
∆VO2 Load Regulation 2
ISTOT Total Supply Current
IS 1 Channel Supply Current
IQMAX Quiescent Current
ISC1 Short Circuit Current 1
ISC2 Short Circuit Current 2
VINH-H Enable Voltage HIGH
VINH-L Enable Voltage LOW
IINH Enable Pin Current
SVR Supply Voltage Rejection (2)
eN RMS Output Noise (2)
Test Conditions
IO1 = 500mA
IO2 = 1A
VI1 = VO1+2V to VO1+7V, IO = 250mA
VI2 = VO2+2V to VO2+7V, IO = 500mA
VI1 = VO1+2V, IO1 = 10 to 500mA
VI2 = VO2+2V, IO2 = 10mA to 1A
IO1 = IO2 = NO LOAD
NO LOAD
IO1 = 500mA, IO2 = 1A
TA = 25°
TA = 25°
VINH = 5V
VI1,2 = VO1,2 +3V ±1V, IO1,2 = 10 mA,
f = 120Hz
Bandwidth of 10Hz to 100KHz
(1): This test is not performed for VO<2.5V.
(2): Guaranteed by design, but not tested in production.
Figure 3: Typical Application Circuit
Min.
-5
-5
500
1
2.4
Typ.
VNOM1
VNOM2
0.3
0.4
15
15
10
60
2
1
30
800
1.6
6
70
Max.
+5
+5
0.7
0.8
30
40
0.8
0.003
Unit
%V
%V
V
V
mV
mV
mV
mV
mA
mA
mA
mA
A
V
V
µA
dB
%VO
3/13
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