参数资料
型号: LT1185IT#30PBF
厂商: Linear Technology
文件页数: 16/16页
文件大小: 0K
描述: IC REG LDO NEG ADJ 3A TO220-5
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: -40°C ~ 85°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 APPLICATIO S
Logic Controlled 3A Low-Side Switch with Fault Protection
5V
R LIM
4k
REF
GND
LOAD
1N4001
ADD FOR
INDUCTIVE LOADS
FB
LT1185
V OUT
V IN
LT1185 ? TA08
Improved High Frequency Ripple Rejection
+
+
C2
2.2 μ F
TANT
R LIM
R1
2.37k
+
V IN
V IN
REF
LT1185
GND
FB
R2
C3
0.05 μ F
C1
4.7 μ F
TANT
V OUT
RELATED PARTS
V OUT
LT1185 ? TA09
NOTE: C3 IMPOVES HIGH FREQUENCY RIPPLE REJECTION BY 6dB AT V OUT = 5V,
AND BY 14dB AT V OUT = 12V. C1 IS INCREASED TO 4.7 μ F TO ENSURE GOOD STABILTITY
WHEN C3 IS USED
PART NUMBER
LT1085
LT1117
LT1120A
LT1129
LT1175
LT1585
LT1964
DESCRIPTION
7.5A Low Dropout Regulator
800mA Low Dropout Regulator with Shutdown
Micropower Regulator with Comparator and Shutdown
200mA Micropower Low Dropout Regulator
500mA Negative Low Dropout Micropower Regulator
4.6A Low Dropout Fast Transient Response Regulator
200mA, Low Noise Micropower, Negative LDO
COMMENTS
1V Dropout Voltage
Reverse Voltage and Reverse Current Protection
20 μ A Supply Current, 2.5V Reference Output
400mV Dropout Voltage, 50 μ A Supply Current
45 μ A Supply Current, Adjustable Current Limit
For High Performance Microprocessors
V IN : –0.9V to –20V, V OUT(MIN) = –1.21V, V DO = 0.34V, I Q = 30 μ A,
I SD = 3 μ A, ThinSOT Package
1185ff
(408) 432-1900 ● FAX: (408) 434-0507 www.linear.com
16
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
LT/LWI 0906 REV F ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 1994
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