参数资料
| 型号： | LT1185CT |
| 厂商： | Linear Technology |
| 文件页数： | 4/16页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO NEG ADJ 3A TO220 |
| 标准包装： | 50 |
| 稳压器拓扑结构： | 负，可调式 |
| 输出电压： | -2.5 V ~ -25 V |
| 输入电压： | -4.2 V ~ -35 V |
| 电压 - 压降（标准）： | 0.67V @ 3A |
| 稳压器数量： | 1 |
| 电流 - 输出： | 3A |
| 电流 - 限制（最小）： | 可调式 |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 通孔 |
| 封装/外壳： | TO-220-5 成形引线 |
| 供应商设备封装： | TO-220-5 |
| 包装： | 管件 |
LT1185
TYPICAL PERFOR A CE CHARACTERISTICS
Feedback Pin Voltage
5
Internal Current Limit
12
Quiescent Ground Pin Current*
2.41
Temperature Drift
4
3
GUARANTEED
LIMIT
10
8
I LOAD = 0
T J = 25 ° C
*DOES NOT INCLUDE REF CURRENT
OR OUTPUT DIVIDER CURRENT
2.40
2.39
2.38
6
2.37
2
TYPICAL
4
2.36
1
GUARANTEED
LIMIT
2
V OUT = 5V
2.35
2.34
0
0
TEST POINTS
5 10
15 20
25
30
0
0
5
10
15
20
25
30
35
2.33
–50 –25
0
25
50
75
100 125 150
INPUT-OUTPUT DIFFERENTIAL (V)
LT1185 ? TPC01
INPUT VOLTAGE (V)
LT1185 ? TPC02
JUNCTION TEMPERATURE ( ° C)
LT1185 ? TPC03
Ground Pin Current
Ripple Rejection vs Frequency
160
T J = 25 ° C
–100
140
–80
120
ALL OUTPUT
100
80
60
REGULATOR JUST AT
DROPOUT POINT
–60
–40
VOLTAGES
WITH 0.05 μ F
ACROSS R2
V OUT = 5V
40
20
V IN – V OUT = 5V
–20
V IN – V OUT = 1.5V
0
0
1
2
3
4
0
100
1k
10k 100k
1M
LOAD CURRENT (A)
Load Transient Response
LT1185 ? TPC04
10
FREQUENCY (Hz)
Output Impedance
LT1185 ? TPC05
100mV
C OUT = 2.2 μ F, ESR = 1 ?
C OUT = 2.2 μ F, ESR = 2 ?
V OUT = 5V
I OUT = 1A
1
0.1
0.01
OUTPUT IMPEDANCE IS
SET BY OUTPUT CAPACITOR
ESR IN THIS REGION
? I LOAD
0.1A t r , f ≤ 100ns
V OUT = 5V
I OUT = 1A
C OUT = 2.2 μ F
0
2
4
6
8 10
TIME ( μ s)
12
14
16
0.001
1k
10k 100k
FREQUENCY (Hz)
1M
LT1185 ? TPC06
LT1183 ? TPC07
1185ff
4
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT1185CT#06 | 制造商:Linear Technology 功能描述: |
| LT1185CT#06PBF | 制造商:Linear Technology 功能描述:LDO Regulator Neg/Pos 2.5V to 25V-2.5V to -25V 3A 5-Pin(5+Tab) TO-220 制造商:Linear Technology 功能描述:LDO Regulator Neg/Pos -2.5V to -25V2.5V to 25V 3A 5-Pin(5+Tab) TO-220 制造商:Linear Technology 功能描述:IC REG LDO NEG ADJ 3A TO220-5 |
| LT1185CT#30 | 制造商:Linear Technology 功能描述: |
| LT1185CT#30PBF | 制造商:Linear Technology 功能描述:IC REG LDO NEG ADJ 3A TO220-5 |
| LT1185CT#33PBF | 制造商:Linear Technology 功能描述:IC REG LDO NEG ADJ 3A TO220-5 |
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