参数资料
| 型号： | LT1185CT#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO NEG ADJ 3A TO220 |
| 产品培训模块： | More Information on LDOs |
| 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 |
| 产品目录页面： | 1326 (CN2011-ZH PDF) |
LT1185
Low Dropout Regulator
FEATURES
■
■
■
■
■
■
■
■
■
■
Low Resistance Pass Transistor: 0.25 ?
Dropout Voltage: 0.75V at 3A
± 1% Reference Voltage
Accurate Programmable Current Limit
Shutdown Capability
Internal Reference Available
Full Remote Sense
Low Quiescent Current: 2.5mA
Good High Frequency Ripple Rejection
Available in 5-Lead TO-220 and DD Packages
The LT1185 uses a saturation-limited NPN transistor as
the pass element. This device gives the linear dropout
characteristics of a FET pass element with significantly
less die area. High efficiency is maintained by using special
anti-saturation circuitry that adjusts base drive to track
load current. The “on resistance” is typically 0.25 ? .
Accurate current limit is programmed with a single 1/8W
external resistor, with a range of zero to three amperes. A
second, fixed internal limit circuit prevents destructive
currents if the programming current is accidentally over-
DESCRIPTIO
The LT ? 1185 is a 3A low dropout regulator with adjustable
current limit and remote sense capability. It can be used as
a positive output regulator with floating input or as a
standard negative regulator with grounded input. The
output voltage range is 2.5V to 25V, with ± 1% accuracy on
the internal reference voltage.
TYPICAL APPLICATIO
5V, 3A Regulator with 3.5A Current Limit
ranged. Shutdown of the regulator output is guaranteed
when the program current is less than 1 μ A, allowing
external logic control of output voltage.
The LT1185 has all the protection features of previous
LTC regulators, including power limiting and thermal
shutdown.
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
Dropout Voltage
+
+
2 μ F
TANT
R LIM *
4.3k
2.37k
+
1.6
1.4
V IN
1.2
6V TO 16V
REF
GND
FB
+
2 μ F
TANT
V OUT
5V AT 3A
1.0
T J = 25 ° C
–
V IN
LT1185
V OUT
2.67k
LT1185 ? TA01
–
0.8
0.6
0.4
T J = 125 ° C
T J = –55 ° C
0.2
*CURRENT LIMIT = 15k/R LIM = 3.5A
0
0
1
2
3
4
LOAD CURRENT (A)
LT1185 ? TA02
1185ff
1
相关PDF资料 |
PDF描述 |
|---|---|
| LT1085CT-3.3#PBF | IC REG LDO 3.3V 3A TO-220-3 |
| ADP1711AUJZ-0.9-R7 | IC REG LDO 0.9V .15A TSOT-23-5 |
| HMC15DREH-S93 | CONN EDGECARD 30POS .100 EYELET |
| GSC17DRTN-S13 | CONN EDGECARD 34POS .100 EXTEND |
| GMC17DRTN-S13 | CONN EDGECARD 34POS .100 EXTEND |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LT1185IQ | 制造商:Linear Technology 功能描述:LDO Regulator Neg/Pos -2.5V to -25V2.5V to 25V 3A 6-Pin(5+Tab) DDPAK |
| LT1185IQ#PBF | 功能描述:IC REG LDO NEG ADJ 3A 5-DD RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 系列:- 标准包装:1 系列:- 稳压器拓扑结构:正，固定式 输出电压:8V 输入电压:10.5 V ~ 23 V 电压 - 压降（标准）:1.7V @ 40mA 稳压器数量:1 电流 - 输出:100mA（最小值） 电流 - 限制（最小）:- 工作温度:0°C ~ 125°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:剪切带 (CT) 产品目录页面:1075 (CN2011-ZH PDF) 其它名称:296-24390-1 |
| LT1185IQ#PBF | 制造商:Linear Technology 功能描述:VOLTAGE REGULATOR LDO ADJ 3 制造商:Linear Technology 功能描述:VOLTAGE REGULATOR, LDO, ADJ, 3A, TO-263- |
| LT1185IQ#TR | 制造商:Linear Technology 功能描述:LDO Regulator Neg/Pos -2.5V to -25V2.5V to 25V 3A 6-Pin(5+Tab) DDPAK T/R |
| LT1185IQ#TRPBF | 功能描述:IC REG LDO NEG ADJ 3A 5-DD RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 系列:- 标准包装:1 系列:- 稳压器拓扑结构:正，固定式 输出电压:3V 输入电压:2.3 V ~ 5.5 V 电压 - 压降（标准）:0.035V @ 150mA 稳压器数量:2 电流 - 输出:150mA 电流 - 限制（最小）:300mA 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:6-UFDFN 裸露焊盘，6-TMLF? 供应商设备封装:6-TMLF?（1.6x1.6） 包装:Digi-Reel® 产品目录页面:1104 (CN2011-ZH PDF) 其它名称:576-3018-6 |
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