參數(shù)資料
型號: LT1579
廠商: Linear Technology Corporation
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection
中文描述: 無電容,NMOS管,150mA的低壓差穩(wěn)壓器的反向電流保護
文件頁數(shù): 3/20頁
文件大?。?/td> 294K
代理商: LT1579
3
LT1579
ELECTRICAL CHARACTERISTICS
PARAMETER
Regulated Output
Voltage (Note 1)
CONDITIONS
LT1579-3
MIN
2.950
2.900
3.250
3.200
4.925
4.850
1.475
1.450
TYP
3.000
3.000
3.300
3.300
5.000
5.000
1.500
1.500
1.5
1.5
1.5
1.5
3
MAX
3.050
3.100
3.350
3.400
5.075
5.150
1.525
1.550
10
10
10
10
12
25
12
25
15
35
10
20
0.28
0.39
0.35
0.45
0.47
0.60
0.60
0.75
100
400
200
500
1.5
4
12
7.0
7.0
2.8
UNITS
V
IN1
= V
IN2
= 3.5V, I
LOAD
= 1mA, T
J
= 25
°
C
4V < V
IN1
< 20V, 4V < V
IN2
< 20V, 1mA < I
LOAD
< 300mA
LT1579-3.3 V
IN1
= V
IN2
= 3.8V, I
LOAD
= 1mA, T
J
= 25
°
C
4.3V < V
IN1
< 20V, 4.3V < V
IN2
< 20V, 1mA < I
LOAD
< 300mA
LT1579-5
V
IN1
= V
IN2
= 5.5V, I
LOAD
= 1mA, T
J
= 25
°
C
6V < V
IN1
< 20V, 6V < V
IN2
< 20V, 1mA < I
LOAD
< 300mA
LT1579
V
IN1
= V
IN2
= 3.2V, I
LOAD
= 1mA, T
J
= 25
°
C (Note 2)
3.7V < V
IN1
< 20V, 3.7V < V
IN2
< 20V, 1mA < I
LOAD
< 300mA
LT1579-3
V
IN1
= 3.5V to 20V,
V
IN2
= 3.5V to 20V, I
LOAD
= 1mA
LT1579-3.3
V
IN1
= 3.8V to 20V,
V
IN2
= 3.8V to 20V, I
LOAD
= 1mA
LT1579-5
V
IN1
= 5.5V to 20V,
V
IN2
= 5.5V to 20V, I
LOAD
= 1mA
LT1579
V
IN1
= 3.2V to 20V,
V
IN2
= 3.2V to 20V, I
LOAD
= 1mA (Note 2)
LT1579-3
V
IN1
= V
IN2
= 4V,
I
LOAD
= 1mA to 300mA, T
J
= 25
°
C
V
IN1
= V
IN2
= 4V,
I
LOAD
= 1mA to 300mA
LT1579-3.3 V
IN1
= V
IN2
= 4.3V,
I
LOAD
= 1mA to 300mA, T
J
= 25
°
C
V
IN1
= V
IN2
= 4.3V,
I
LOAD
= 1mA to 300mA
LT1579-5
V
IN1
= V
IN2
= 6V,
I
LOAD
= 1mA to 300mA, T
J
= 25
°
C
V
IN1
= V
IN2
= 6V,
I
LOAD
= 1mA to 300mA
LT1579
V
IN1
= V
IN2
= 3.7V,
I
LOAD
= 1mA to 300mA, T
J
= 25
°
C (Note 2)
V
IN1
= V
IN2
= 3.7V,
I
LOAD
= 1mA to 300mA
I
LOAD
= 10mA, T
J
= 25
°
C
I
LOAD
= 10mA
I
LOAD
= 50mA, T
J
= 25
°
C
I
LOAD
= 50mA
I
LOAD
= 150mA, T
J
= 25
°
C
I
LOAD
= 150mA
I
LOAD
= 300mA, T
J
= 25
°
C
I
LOAD
= 300mA
I
LOAD
= 0mA, T
J
= 25
°
C
I
LOAD
= 0mA
I
LOAD
= 1mA, T
J
= 25
°
C
I
LOAD
= 1mA
I
LOAD
= 50mA
I
LOAD
= 150mA
I
LOAD
= 300mA
I
VIN2
: V
IN1
= 20V, V
IN2
= V
OUT(NOMINAL)
+ 0.5V, V
SS
= Open (HI)
I
VIN1
: V
IN1
= V
OUT(NOMINAL)
+ 0.5V, V
IN2
= 20V, V
SS
= 0V
V
OUT
= Off to On
V
OUT
= On to Off
V
SHDN
= 0V
V
V
V
V
V
V
V
V
G
G
G
Adjust Pin Voltage
G
Line Regulation
G
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
G
G
G
Load Regulation
G
3
G
5
G
2
G
Dropout Voltage
(Notes 3, 4)
V
IN1
= V
IN2
=
V
OUT(NOMINAL)
0.10
V
V
V
V
V
V
V
V
G
0.18
G
0.25
G
0.34
G
Ground Pin Current
(Note 5)
V
IN1
= V
IN2
=
V
OUT(NOMINAL)
+ 1V
50
μ
A
μ
A
μ
A
μ
A
mA
mA
mA
μ
A
μ
A
G
100
G
G
0.7
2
5.8
3.3
2.0
0.9
0.75
1.3
G
G
Standby Current
(Note 6) I
LOAD
= 0mA
Shutdown Threshold
G
G
G
G
V
V
0.25
Shutdown Pin Current
(Note 7)
Quiescent Current in
Shutdown (Note 9)
G
5
μ
A
I
VIN1
: V
IN1
= 20V, V
IN2
= 6V, V
SHDN
= 0V
I
VIN2
: V
IN1
= 6V, V
IN2
= 20V, V
SHDN
= 0V
I
SRC
: V
IN1
= V
IN2
= 20V, V
SHDN
= 0V
G
G
5
5
3
12
12
μ
A
μ
A
μ
A
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