参数资料
型号: LT1020ISW#TR
厂商: Linear Technology
文件页数: 3/16页
文件大小: 0K
描述: IC REG LDO ADJ 125MA 16SOIC
标准包装: 1,000
稳压器拓扑结构: 正,可调式
输出电压: 可调
输入电压: 4.5 V ~ 36 V
电压 - 压降(标准): 0.4V @ 125mA
稳压器数量: 1
电流 - 输出: 125mA(最小)
工作温度: 0°C ~ 100°C
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.295",7.50mm 宽)
供应商设备封装: 16-SOIC
包装: 带卷 (TR)
LT1020
ELECTRICAL C HARA C TERISTICS
T J = 25 ° C
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Regulator
Feedback Sense Voltage
Dropout Detector Current
Feedback Bias Current
Minimum Load Current
Short-Circuit Current
V IN = 12V
? V OUT = – 0.05V, I OUT = 500 μ A
V IN = 36V
V IN = 36V
Pins 9 and 10 Shorted, V IN = 4.5V
2.44
3
3
2.5
20
15
1
300
30
2.56
40
5
400
V
μ A
nA
μ A
mA
mA
Comparator
Offset Voltage
Bias Current
Offset Current
0V ≤ V CM ≤ 35V, V IN = 36V
0V ≤ V CM ≤ 35V, V IN = 36V
0V ≤ V CM ≤ 35V, V IN = 36V
3
15
4
7
40
15
mV
nA
nA
Gain-NPN Pull-Down
Common Mode Rejection
Power Supply Rejection
Output Sink Current
? V OUT = 29V, R L = 20k
0V ≤ V CM ≤ 35V, V IN = 36V
4.5V ≤ V S ≤ 36V
V IN = 4.5V
2000
80
80
10
10000
94
96
18
V/ V
dB
dB
mA
NPN Saturation Voltage
I OUT = 1mA
0.4
0.6
V
Output Source Current
Input Voltage Range
Response Time
Leakage Current (NPN)
60
0
200
5
V IN – 1
2
μ A
V
μ s
μ A
The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T J = 25 ° C.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Reference
Reference Voltage
Line Regulation
Load Regulation
Output Source Current
Output Sink Current
4.5V ≤ V IN ≤ 36V
4.5V ≤ V IN ≤ 36V
– 0.5mA ≤ I REF ≤ 1mA, V IN = 12V
V IN = 5V
V IN = 5V
q
q
q
q
q
2.40
1
0.5
2.50
0.01
0.3
2.55
0.02
0.4
V
%/V
%
mA
mA
Regulator
Supply Current
V IN = 6V, I OUT ≤ 100 μ A
V IN = 36V, I OUT ≤ 100 μ A
V IN = 12V, I OUT = 125mA
q
q
q
65
85
11
95
120
20
μ A
μ A
mA
Output Current
Load Regulation
Line Regulation
Dropout Voltage
(V IN – V OUT ) ≥ 1V, V IN ≥ 6V
(V IN – V OUT ) ≥ 1V, V IN ≥ 6V
6V ≤ V IN ≤ 36V
I OUT = 100 μ A
I OUT = 125mA
q
q
q
q
q
125
1
0.02
0.06
0.85
mA
%
%/ V
V
V
Feedback Sense Voltage
Dropout Detector Current
V IN = 12V
? V OUT = – 0.05V, I OUT = 500 μ A
q
q
2.38
3
2.5
2.57
V
μ A
Feedback Bias Current
q
50
nA
Minimum Load Current
V IN = 36V
q
50
μ A
Short-Circuit Current
V IN = 36V
Pins 9 and 10 Shorted, V IN = 4.5V
q
q
2.5
300
30
400
mA
mA
Comparator
Offset Voltage
0V ≤ V CM ≤ 35V, V IN = 36V
q
10
mV
Bias Current
0V ≤ V CM ≤ 35V, V IN = 36V (Note 2)
q
15
60
nA
sn1020 1020fcs
3
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