参数资料
型号: LT1573CS8-2.8
厂商: LINEAR TECHNOLOGY CORP
元件分类: 基准电压源/电流源
英文描述: Low Dropout PNP Regulator Driver
中文描述: 2.8 V FIXED POSITIVE LDO REGULATOR, PDSO8
封装: 0.150 INCH, PLASTIC, SO-8
文件页数: 4/16页
文件大小: 200K
代理商: LT1573CS8-2.8
4
LT1573
FEEDBACK PIN VOLTAGE (V)
0
D
1.0
1.2
450
400
350
300
250
200
150
100
50
0
1573 G07
0.4
0.6
0.8
0.2
1.4
T
J
= 130
°
C
T
J
= 25
°
C
T
J
= –45
°
C
Drive Pin Current vs
Feedback Pin Voltage
TEMPERATURE (
°
C)
–50
V
I
O
150
1573 G09
–25
0
25
50
75
125
100
0.85
0.80
0.75
0.70
0.65
0.60
0.55
0.50
0.45
0.40
V
= 5V
LATCH DISABLED FOR
(V
IN
– V
OUT
) < LATCH DISABLE THRESHOLD
DRIVE PIN CURRENT (mA)
0
D
50
100
150
200
1573 G08
250
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
300
T
J
= 130
°
C
T
J
= –45
°
C
T
J
= 25
°
C
Latch-Disable Threshold
(V
IN
– V
OUT
) vs Temperature
INPUT VOLTAGE (V)
2
3
L
3.0
2.5
2.0
1.5
1.0
0.5
0
4
5
7
6
1573 G10
8
T
J
= 125
°
C
T
J
= –45
°
C
T
J
= 25
°
C
Latch Charging Current vs
Input Voltage
Latch Pin Latch-Off Threshold vs
Input Voltage
INPUT VOLTAGE (V)
2
L
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
4
5
7
3
6
1573 G12
8
T
J
= 25
°
C
T
J
= –45
°
C
T
J
= 125
°
C
Latching Current vs Input Voltage
INPUT VOLTAGE (V)
2
3
5
7
L
μ
A
16
14
12
10
8
6
4
2
0
4
6
1573 G11
8
T
J
= 125
°
C
T
J
= 25
°
C
T
J
= –45
°
C
SHUTDOWN PIN VOLTAGE (V)
0
S
μ
A
300
250
200
150
100
50
0
2
3
5
7
1
4
6
1573 G14
T
J
= 125
°
C
T
J
= 25
°
C
T
J
= –45
°
C
TEMPERATURE (
°
C)
S
1.5
1.4
1.3
1.2
1.1
1.0
1573 G13
–50
150
–25
0
25
50
75
125
100
Shutdown Pin Current vs
Shutdown Pin Voltage
Shutdown Voltage Threshold vs
Temperature
Drive Pin Saturation Voltage vs
Drive Pin Current
TYPICAL PERFOR U
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