參數(shù)資料
型號(hào): LHC4913
廠商: 意法半導(dǎo)體
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: 3A POSITIVE LOW DROP VOLTAGE REGULATOR WITH INHIBIT FUNCTION
中文描述: 第3A陽(yáng)性低的禁止功能降穩(wěn)壓器
文件頁(yè)數(shù): 4/6頁(yè)
文件大小: 77K
代理商: LHC4913
LHC4913 SERIES
4/6
filtering the overvoltages spikes coming out during
this particular operation.
To avoid undervoltages spikes leading both input
and output well below ground, it is in addition
recommended to put one reverse-biased Schottky
diodes between output and ground.
ELECTRICAL CHARACTERISTICS
(T
J
= 25°C, V
I
=V
O
+2.5V, V
O
=3V, C
I
= 0.1
μ
F, C
O
= 1
μ
F (tantalium),
unless otherwise specified)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
I
V
O
Input Voltage
I
O
= 3A
I
O
= 5mA
I
O
= 3A
Adjustable
V
I
= V
O
+2.5V to 12V,
I
O
=
5mA to 3A
I
O
= 400mA
I
O
= 1A
I
O
= 2A
I
O
= 3A
V
I
= V
O
+2.5V to 12V,
V
O
= 1.23V
V
I
= V
O
+2.5V to 12V,
V
O
= 1.23V
V
I
= V
O
+2.5V to 12V,
V
O
= 1.23V
V
I
= V
O
+2.5V to 12V,
V
O
= 1.23V
V
I
= V
O
+2.5V to 12V,
V
O
= 1.23V
V
I
= V
O
+2.5V to 12V,
V
O
= 1.23V
V
I
= 12V
V
I
= V
O
+2.5V
±
0.5V,
I
O
=
5mA
T
J
= 0 to 125
°C
T
J
= -55 to 0
°C
T
J
= -55 to 125
°C
V
I
= 12V
I
O
=
5mA to 3A
I
O
=
5mA to 3A
T
J
= -55 to 125
°C
T
J
= -55 to 125
°C
T
J
= -55 to 125
°C
3
12
V
Output Voltage
2
2
%
1.23
9
V
I
SHORT
V
O
/
V
I
V
O
/
V
I
V
d
Output Current Limit
Line Regulation
Load Regulation
Dropout Voltage
3.8
0.1
0.4
0.35
A
%
%
V
I
O
=
5mA
T
J
= -55 to 125
°C
T
J
= -55 to 125
°C
T
J
= -55 to 125
°C
T
J
= -55 to 125
°C
On Mode
I
O
=
5mA
0.7
0.5
1
V
0.75
1.5
V
1
2
V
I
d
Quiescent Current
1.6
4
mA
On Mode
I
O
=
30mA
2.7
8
mA
On Mode
I
O
=
300mA
11
24
mA
On Mode
I
O
=
1A
32
64
mA
On Mode
I
O
=
2A
64
130
mA
On Mode
I
O
=
3A
V
INH
= 3V
94
200
mA
Off Mode
f = 120Hz
f = 33KHz
0.3
70
50
mA
dB
SVR
Supply Voltage Rejection
V
INH(OFF)
Turn Off Voltage
2
V
2.4
V
V
INH(ON)
Turn On Voltage
I
INH
Shutdown Input Current
C
O
Output Capacitance
ESR
Electrical Series
Resistance
V
OCML
Overcurrent Monitor
Voltage Low
V
OCMH
Overcurrent Monitor
Voltage High
0.8
V
V
INH
= 5V
120
1
μ
A
μ
F
2
6
I
OCM
=
10mA (sinked current)V
I
= 12V
0.4
V
I
OCM
=
-10
μ
A
(sourced current)
V
I
= V
O
+2.5V
V
I
= 12V
I
O
=
1A
V
O
+2.5
12
66
V
eN
Output Noise Voltage
B= 10Hz to 100KHz
μ
Vrms/V
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