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参数资料
| 型号： | LTC3125EDCB#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 18/18页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST SYNC ADJ 1.2A 8DFN |
| 标准包装： | 2,500 |
| 类型： | 升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 2 V ~ 5.25 V |
| 输入电压： | 1.8 V ~ 5.5 V |
| PWM 型： | 电流模式，混合 |
| 频率 - 开关： | 1.6MHz |
| 电流 - 输出： | 1.2A |
| 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： | 8-WFDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 8-DFN（3x2） |
LTC3125
TYPICAL APPLICATION
PC Card or CompactFlash (3.3V/500mA Maximum) 4.5V Output,
GSM Pulsed Load
2.2μH*
Waveforms of Input Current, V OUT for Pulsed Load Current
V OUT
100mV/DIV
V IN
PC CARD V CC
3.3V ±10%
500mA MAX
10μF
CER
CS
V IN
SW
V OUT
LTC3125
2.74M
V OUT
4.5V, 2A PULSED LOAD
(577μs PW, 4.6ms PERIOD)
2200μF**
× 2
INPUT CURRENT
200mA/DIV
OFF ON
SHDN
PROG
FB
55mΩ
TANT
LOAD CURRENT
44.2k
GND
1M
3125 TA02a
2A/DIV
V IN = 3.3V
1ms/DIV
3125 TA02b
V OUT = 4.5V
*COILTRONICS SD3118-2R2-R
**VISHAY 592D228X6R3X220H
C OUT = 4.4mF
L = 2.2μH
R PROG = 44.2k
RELATED PARTS
PART NUMBER
LTC3127
LTC3421
LTC3422
LTC3459
LTC3523/LTC3523-2
LTC3525-3/
LTC3525-3.3/
LTC3525-5
LTC3526/LTC3526L
LTC3526B
LTC3527/LTC3527-1
LTC3528/LTC3528B
LTC3537
LTC3539/LTC3539-2
DESCRIPTION
1A Buck-Boost Converter with Programmable Input Current
Limit
3A (I SW ), 3MHz, Synchronous Step-Up DC/DC Converter with
Output Disconnect
1.5A (I SW ), 3MHz Synchronous Step-Up DC/DC Converter with
Output Disconnect
80mA (I SW ), Synchronous Step-Up DC/DC Converter
600mA (I SW ), Step-Up and 400MHz Synchronous Step-Down
1.2MHz/2.4MHz DC/DC Converter with Output Disconnect
400mA (I SW ), Micropower Synchronous Step-Up DC/DC
Converter with Output Disconnect
500mA (I SW ), 1MHz Synchronous Step-Up DC/DC Converter
with Output Disconnect
Dual 800mA/400mA (I SW ), 2.2MHz Synchronous Step-Up
DC/DC Converter with Output Disconnect
1A (I SW ), 1MHz Synchronous Step-Up DC/DC Converter with
Output Disconnect
600mA (I SW ), 2.2MHz Synchronous Step-Up DC/DC Converter
with Output Disconnect and 100mA LDO
2A (I SW ), 1MHz, 2.2MHz Synchronous Step-Up DC/DC
Converter with Output Disconnect
COMMENTS
96% Ef?ciency, ±4% Accurate Average Input Current Limit,
V IN : 1.8V to 5.5V, V OUT = 1.8V to 5.25V, I Q = 35μA, DFN Package
94% Ef?ciency, V IN : 0.85V to 4.5V, V OUT(MAX) = 5.25V,
I Q = 12μA, I SD < 1μA, 4mm × 4mm QFN24 Package
94% Ef?ciency, V IN : 0.85V to 4.5V, V OUT(MAX) = 5.25V,
I Q = 25μA, I SD < 1μA, 3mm × 3mm DFN10 Package
92% Ef?ciency, V IN : 1.5V to 5.5V, V OUT(MAX) = 10V, I Q = 10μA,
I SD < 1μA, ThinSOT Package
94% Ef?ciency V IN : 1.8V to 5.5V, V OUT(MAX) = 5.25V, I Q = 45μA,
I SD < 1μA, 3mm × 3mm QFN16 Package
94% Ef?ciency, V IN : 0.85V to 4V, V OUT(MAX) = 5V, I Q = 7μA,
I SD < 1μA, SC-70 Package
94% Ef?ciency V IN : 0.85V to 5V, V OUT(MAX) = 5.25V, I Q = 9μA, I SD
< 1μA, 2mm × 2mm DFN6 Package
94% Ef?ciency V IN : 0.7V to 5V, V OUT(MAX) = 5.25V, I Q = 12μA, I SD
< 1μA, 3mm × 3mm QFN16 Package
94% Ef?ciency V IN : 0.7V to 5.5V, V OUT(MAX) = 5.25V, I Q = 12μA,
I SD < 1μA, 2mm × 3mm DFN8 Package
94% Ef?ciency V IN : 0.7V to 5V, V OUT(MAX) = 5.25V, I Q = 30μA,
I SD < 1μA, 3mm × 3mm QFN16 Package
94% Ef?ciency, V IN : 0.7V to 5V, V OUT(MAX) = 5.25V,
I Q = 10μA, I SD < 1μA, 2mm × 3mm DFN Package
3125fa
18 Linear Technology Corporation
(408) 432-1900 ● FAX: (408) 434-0507 www.linear.com
1630 McCarthy Blvd., Milpitas, CA 95035-7417
●
LT 1210 REV A ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2008
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3127 | 制造商:LINEAR 制造商全称:LINEAR 功能描述:40V, 2A Synchronous Buck-Boost DC/DC Converter |
| LTC3127EDD | 制造商:LINER 制造商全称:Linear Technology 功能描述:1A Buck-Boost DC/DC Converter with Programmable Input Current Limit |
| LTC3127EDD#PBF | 功能描述:IC BUCK BOOST SYNC ADJ 10DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 应用:热电冷却器 电流 - 电源:- 电源电压:3 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:28-SOIC（0.173"，4.40mm 宽）裸露焊盘 供应商设备封装:28-TSSOP 裸露焊盘 包装:管件 产品目录页面:1410 (CN2011-ZH PDF) |
| LTC3127EDD#PBF | 制造商:Linear Technology 功能描述:BUCK-BOOST DC/DC CONVERTER IC |
| LTC3127EDD#TRPBF | 功能描述:IC DCDC CONV BUCK BOOST 10DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:- 标准包装:1 系列:- 应用:手持/移动设备 电流 - 电源:- 电源电压:3 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:14-WFDFN 裸露焊盘 供应商设备封装:14-LLP-EP（4x4） 包装:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名称:LP3905SD-30DKR |
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