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参数资料
| 型号： | LT3758EDD#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/36页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BST FLYBK INV 10DFN |
| 标准包装： | 2,500 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 1MHz |
| 电源电压： | 5.5 V ~ 100 V |
| 降压： | 无 |
| 升压： | 是 |
| 回扫： | 是 |
| 反相： | 是 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 10-WFDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
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LT3758/LT3758A
High Input Voltage,
Boost, Flyback, SEPIC and
Inverting Controller
Wide Input Voltage Range: 5.5V to 100V
Positive or Negative Output Voltage Programming
Current Mode Control Provides Excellent Transient
Programmable Operating Frequency (100kHz to
Synchronizable to an External Clock
Low Shutdown Current < 1μA
Internal 7.2V Low Dropout Voltage Regulator
Programmable Input Undervoltage Lockout with
Programmable Soft-Start
Small 10-Lead DFN (3mm × 3mm) and
Automotive
Telecom
Industrial
FEATURES
n
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with a Single Feedback Pin
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Response
n
1MHz) with One External Resistor
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n
n
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Hysteresis
n
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MSOPE Packages
APPLICATIONS
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L , LT, LTC, LTM, Linear Technology, the Linear logo and Burst Mode are registered trademarks
and No R SENSE and ThinSOT are trademarks of Linear Technology Corporation. All other
trademarks are the property of their respective owners. Patents pending.
DESCRIPTION
The LT ? 3758/LT3758A are wide input range, current
mode, DC/DC controllers which are capable of generating
either positive or negative output voltages. They can be
configured as either a boost, flyback, SEPIC or inverting
converter. The LT3758/LT3758A drive a low side external
N-channel power MOSFET from an internal regulated 7.2V
supply. The fixed frequency, current-mode architecture
results in stable operation over a wide range of supply
and output voltages.
The operating frequency of LT3758/LT3758A can be set
with an external resistor over a 100kHz to 1MHz range,
and can be synchronized to an external clock using the
SYNC pin. A minimum operating supply voltage of 5.5V,
and a low shutdown quiescent current of less than 1μA,
make the LT3758/LT3758A ideally suited for battery-
powered systems.
The LT3758/LT3758A feature soft-start and frequency
foldback functions to limit inductor current during start-up
and output short-circuit. The LT3758A has improved load
transient performance compared to the LT3758.
TYPICAL APPLICATION
12V Output Nonisolated Flyback Power Supply
V IN
36V TO
72V
C IN
2.2μF
100V
X7R
1M
44.2k
V IN
SHDN /UVLO
LT3758
SYNC
0.022μF
100V
GATE
6.2k
T1
1,2,3
(SERIES)
D SN
SW
M1
D1
4,5,6
(PARALLEL)
105k
1%
V OUT
12V
1.2A
RT
SENSE
63.4k
200kHz
0.47μF
SS
V C
FBX
GND INTV CC
1N4148
5.1
100pF
10k
10nF
C VCC
4.7μF
10V
X5R
0.030
15.8k
1%
C OUT
47μF
X5R
3758 TA01
3758afd
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3758EMSE#PBF | 功能描述:IC REG CTRLR PWM CM 10-MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 特色产品:LM3753/54 Scalable 2-Phase Synchronous Buck Controllers 标准包装:1 系列:PowerWise® PWM 型:电压模式 输出数:1 频率 - 最大:1MHz 占空比:81% 电源电压:4.5 V ~ 18 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-5°C ~ 125°C 封装/外壳:32-WFQFN 裸露焊盘 包装:Digi-Reel® 产品目录页面:1303 (CN2011-ZH PDF) 其它名称:LM3754SQDKR |
| LT3758EMSE#PBF | 制造商:Linear Technology 功能描述:DC-DC CONTROLLER INVERTING 1 制造商:Linear Technology 功能描述:DC-DC CONTROLLER, INVERTING, 1MHZ, MSOP- |
| LT3758EMSE#TRPBF | 功能描述:IC REG CTRLR PWM CM 10-MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:500kHz 占空比:96% 电源电压:4 V ~ 36 V 降压:无 升压:是 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 125°C 封装/外壳:24-WQFN 裸露焊盘 包装:带卷 (TR) |
| LT3758EMSEPBF | 制造商:Linear Technology 功能描述:100V Flyback SEPIC Controller MSOP10EP |
| LT3758EMSETRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:High Input Voltage, Boost, Flyback, SEPIC and Inverting Controller |
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