参数资料
型号: LT1370CR#PBF
厂商: Linear Technology
文件页数: 1/16页
文件大小: 0K
描述: IC REG MULTI CONFIG ADJ 6A D2PAK
标准包装: 50
类型: 降压(降压),升压(升压),反相,Cuk,回扫,正向转换器
输出类型: 可调式
输出数: 1
输出电压: 1.25 V ~ 35 V
输入电压: 2.7 V ~ 25 V
PWM 型: 电流模式
频率 - 开关: 500kHz
电流 - 输出: 6A
同步整流器:
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: TO-263-8,D²Pak(7 引线+接片),TO-263CA
包装: 管件
供应商设备封装: D2PAK-7
产品目录页面: 1327 (CN2011-ZH PDF)
LT1370
500kHz High Efficiency
6A Switching Regulator
FEATURES
DESCRIPTIO N
Faster Switching with Increased Efficiency
Uses Small Inductors: 4.7 μ H
All Surface Mount Components
Low Minimum Supply Voltage: 2.7V
Quiescent Current: 4.5mA Typ
Current Limited Power Switch: 6A
Regulates Positive or Negative Outputs
Shutdown Supply Current: 12 μ A Typ
Easy External Synchronization
Switch Resistance: 0.065 ? Typ
The LT ? 1370 is a monolithic high frequency current mode
switching regulator. It can be operated in all standard
switching configurations including boost, buck, flyback,
forward, inverting and “Cuk.” A 6A high efficiency switch
is included on the die, along with all oscillator, control and
protection circuitry.
The LT1370 typically consumes only 4.5mA quiescent
current and has higher efficiency than previous parts.
High frequency switching allows for very small inductors
to be used.
APPLICATIO N S
New design techniques increase flexibility and maintain
ease of use. Switching is easily synchronized to an exter-
Boost Regulators
Laptop Computer Supplies
Multiple Output Flyback Supplies
Inverting Supplies
nal logic level source. A logic low on the Shutdown pin
reduces supply current to 12 μ A. Unique error amplifier
circuitry can regulate positive or negative output voltage
while maintaining simple frequency compensation tech-
niques. Nonlinear error amplifier transconductance
reduces output overshoot on start-up or overload recov-
ery. Oscillator frequency shifting protects external com-
ponents during overload conditions.
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATIO N
5V to 12V Boost Converter
12V Output Efficiency
5V
L1*
D1
MBRD835L
V OUT?
12V
92
90
V IN = 5V
L = 10 μ H
OFF
ON
S/S
V IN
V SW
R1
53.6k
1%
88
+
C1**
22 μ F
25V
GND
LT1370
FB
V C
R2
+
C4**
22 μ F
25V
× 2
* COILTRONICS
UP2-4R7 (4.7 μ H)
UP4-100 (10 μ H)
** AVX TPSD226M025R0200
86
84
C2
0.047 μ F
R3
2k
C3
0.0047 μ F
6.19k
1%
? MAX I OUT
L1 I OUT
4.7 μ H 1.8A
10 μ H 2A
82
80
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
LT1370 ? TA01
LOAD CURRENT (A)
LT1370 ? TA02
sn1370 1370fs
1
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LT1370CRTRPBF 制造商:Linear Technology 功能描述:
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LT1370CT7#PBF 功能描述:IC REG MULTI CONFIG ADJ TO220-7 RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 设计资源:Design Support Tool 标准包装:1 系列:- 类型:升压(升压) 输出类型:固定 输出数:1 输出电压:3V 输入电压:0.75 V ~ 2 V PWM 型:- 频率 - 开关:- 电流 - 输出:100mA 同步整流器:是 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-5 细型,TSOT-23-5 包装:剪切带 (CT) 供应商设备封装:TSOT-23-5 其它名称:AS1323-BTTT-30CT
LT1370HV 制造商:LINER 制造商全称:Linear Technology 功能描述:500kHz High Efficiency 6A Switching Regulator
LT1370HVCR 功能描述:IC REG MULTI CONFIG ADJ 6A D2PAK RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 设计资源:Design Support Tool 标准包装:1 系列:- 类型:升压(升压) 输出类型:固定 输出数:1 输出电压:3V 输入电压:0.75 V ~ 2 V PWM 型:- 频率 - 开关:- 电流 - 输出:100mA 同步整流器:是 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-5 细型,TSOT-23-5 包装:剪切带 (CT) 供应商设备封装:TSOT-23-5 其它名称:AS1323-BTTT-30CT