参数资料
| 型号： | LT1120IS8#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 4/12页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ 125MA 8SOIC |
| 标准包装： | 2,500 |
| 稳压器拓扑结构： | 正，可调式 |
| 输出电压： | 2.5 V ~ 35.15 V |
| 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： | -40°C ~ 100°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
LT1120
ELECTRICAL CHARACTERISTICS
The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T A = 25 ° C.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Comparator
Offset Voltage
●
10
mV
Bias Current
Gain
V IN = 36V (Note 2)
Δ V OUT = 29V, R L = 20k
●
●
1000
15
60
nA
V/V
Output Sink Current
Leakage Current
V IN = 4.5V (Note 3)
V IN = 36V
●
●
5
10
8
mA
μ A
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
Note 2: T A > 85 ° C, I bias maximum is 100nA.
Note 3: For T A ≤ – 40 ° C output current sink drops to 2.5mA.
reliability and lifetime.
TYPICAL PERFOR A CE CHARACTERISTICS
Regulator Load Regulation
Supply Current
Regulator Short-Circuit Current
0.3
0.2
0.1
T J = –55 ° C
T J = 25 ° C
100
10
T J = –55 ° C TO 125 ° C
350
300
250
200
0
–0.1
T J = 125 ° C
1
150
0.1
100
–0.2
PRELOAD = 100 μ A
50
CURRENT LIMIT TIED TO GROUND
–0.3
0.1
1
10 100
1000
0.01
0.1
1
10 100 1000
0
–50
–10
30 70 110
150
1
0.1
0.01
OUTPUT CURRENT (mA)
Dropout Voltage
Δ V OUT = 100mV
1120 G01
100
10
1
REGULATOR OUTPUT CURRENT (mA)
1120 G02
Regulator Minimum Load Current
70
65
60
55
50
45
40
35
30
TEMPERATURE ( ° C)
Regulator Ripple Rejection
I OUT = 100mA
I OUT = 10mA
I OUT = 1mA
V IN = 10VDC, 1V P–P
V OUT = 5V
C OUT = 10 μ F
1120 G03
0.1
1
10 100 1000
70
80
90
100 110 120 130 140 150
10
100
1k 10k
100k
REGULATOR OUTPUT CURRENT (mA)
1120 G04
TEMPERATURE ( ° C)
1120 G05
RIPPLE FREQUENCY (Hz)
1120 G06
1120fd
4
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