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LDR1833PT-R 数据表(PDF) 7 Page - STMicroelectronics

部件名 LDR1833PT-R
功能描述  Very low drop dual voltage regulator
PDF  16 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

LDR1833PT-R 数据表(HTML) 7 Page - STMicroelectronics

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LDR1833 - LDR2533
Electrical characteristics
7/16
5
Electrical characteristics
Table 5.
Electrical characteristics (VI1 = VO1 + 2 V, VI2 = VO2 + 2 V, VINH1 = VINH2 = 2.5 V,
CI1,2 = 2.2 µF, CO1,2 = 4.7 µF, IO1 = IO2 = 10 mA, TA = -40 °C to 125 °C, unless otherwise
specified. Typical values are referred at TA = 25 °C)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VO1
Output voltage 1
-5
VNOM1
+5
%V
VO2
Output voltage 2
-5
VNOM2
+5
%V
VDROP1 Dropout voltage 1
(1)
1.
This test is not performed for VO < 2.5 V.
IO1 = 500mA
0.3
0.7
V
VDROP2 Dropout voltage 2
(1)
IO2 = 1A
0.4
0.8
V
ΔVO1
Line regulation 1
VI1 = VO1+2V to VO1+7V, IO = 250mA
15
30
mV
ΔVO2
Line regulation 2
VI2 = VO2+2V to VO2+7V, IO = 500mA
15
40
mV
ΔVO1
Load regulation 1
VI1 = VO1+2V, IO1 = 10 to 500mA
10
mV
ΔVO2
Load regulation 2
VI2 = VO2+2V, IO2 = 10mA to 1A
60
mV
ISTOT
Total supply current
IO1 = IO2 = NO LOAD
2
mA
IS
1 channel supply current
NO LOAD
1
mA
IQMAX
Quiescent current
IO1 = 500mA, IO2 = 1A
30
mA
ISC1
Short circuit current 1
TA = 25°
500
800
mA
ISC2
Short circuit current 2
TA = 25°
1
1.6
A
VINH-H Enable voltage HIGH
2.4
V
VINH-L Enable voltage LOW
0.8
V
IINH
Enable pin current
VINH = 5V
6
µA
SVR
Supply voltage rejection (2)
2.
Guaranteed by design, but not tested in production
VI1,2 = VO1,2 +3V ±1V, IO1,2 = 10 mA,
f = 120Hz
70
dB
eN
RMS output noise (2)
Bandwidth of 10Hz to 100kHz
0.003
%VO



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