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LD39150XX 数据表(PDF) 8 Page - STMicroelectronics

部件名 LD39150XX
功能描述  Ultra low drop BiCMOS voltage regulator
Download  19 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

LD39150XX 数据表(HTML) 8 Page - STMicroelectronics

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Electrical characteristics
LD39150xx
8/19
5
Electrical characteristics
Table 5.
Electrical characteristics
(TJ = 25 °C, VI = VO+1 V, CI = 1 µF, CO = 2.2 µF, ILOAD = 10 mA, VINH = 2 V, unless otherwise
specified)
Symbol
Parameter
Parameter
Min.
Typ.
Max.
Unit
VI
Operating input voltage
2.5
6
V
VO
Output voltage tolerance
VI = VO+1V, ILOAD = 10mA to 1.5A
-1.5
1.5
% of
VO(NOM)
VI = VO+1V to 6V,
ILOAD = 10mA to 1.5A
TJ = -40 to 125°C
-3
3
VREF
Reference voltage
1.22
V
ΔVO
Output voltage LINE
regulation
VI = VO+1V to 6V
0.04
%
VI = VO+1V to 6V, TJ = -40 to 125°C
0.1
0.2
%
ΔVO/ΔILOAD
Output voltage LOAD
regulation
ILOAD = 10mA to 1.5A
0.06
%/A
ILOAD = 10mA to 1.5A,
TJ = -40 to 125°C
0.2
0.4
VDROP
Dropout voltage (VI - VO)
ILOAD = 300mA, TJ=-40 to 125°C
40
80
mV
ILOAD = 1.5A, TJ = -40 to 125°C
200
400
IQ
Quiescent current:
ON MODE
ILOAD = 10mA to 1.5A, VINH = 2V
TJ = -40 to 125°C
12.5
mA
Quiescent current:
OFF MODE
VINH = 0.3V
1
µA
VINH = 0.3V, TJ = -40 to 125°C
5
Short circuit protection
ISC
Short circuit protection
RL = 0
3
A
Inhibit input
VINH
Inhibit threshold LOW
VI = 2.5 to 6V OFF
TJ = -40 to 125°C
0.3
V
Inhibit threshold HIGH
2
TD-OFF
Current limit
ILOAD = 1.5A, VO = 3.3V
15
µs
TD-ON
Current limit
ILOAD = 1.5A, VO = 3.3V
15
IINH
Inhibit input current (1)
1.
Guaranteed by design
VI = 6V, VINH = 0 to 6V
±0.1
±1µA
AC parameters
SVR
Supply voltage rejection
VI = 4.5 ± 1V,
VO = 3.3V,
ILOAD = 10mA,
f = 120Hz
65
dB
f = 1kHz
55
eN
Output noise voltage
BW = 10Hz to 100kHz,
CO = 2.2µF, VO = 2.5V
100
µVRMS
TSHDN
Thermal shutdown OFF
170
°C
Hysteresis
10


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