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参数资料
| 型号： | LTC3125EDCB#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING REGULATOR, 1900 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | 2 X 2 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, DFN-8 |
| 文件页数： | 10/18页 |
| 文件大小： | 303K |
| 代理商： | LTC3125EDCB#PBF |
LTC3125
18
3125fa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
LINEAR TECHNOLOGY CORPORATION 2008
LT 1210 REV A PRINTED IN USA
RELATED PARTS
PART NUMBER
DESCRIPTION
COMMENTS
LTC3127
1A Buck-Boost Converter with Programmable Input Current
Limit
96% Efciency, ±4% Accurate Average Input Current Limit,
VIN: 1.8V to 5.5V, VOUT = 1.8V to 5.25V, IQ = 35μA, DFN Package
LTC3421
3A (ISW), 3MHz, Synchronous Step-Up DC/DC Converter with
Output Disconnect
94% Efciency, VIN: 0.85V to 4.5V, VOUT(MAX) = 5.25V,
IQ = 12μA, ISD < 1μA, 4mm × 4mm QFN24 Package
LTC3422
1.5A (ISW), 3MHz Synchronous Step-Up DC/DC Converter with
Output Disconnect
94% Efciency, VIN: 0.85V to 4.5V, VOUT(MAX) = 5.25V,
IQ = 25μA, ISD < 1μA, 3mm × 3mm DFN10 Package
LTC3459
80mA (ISW), Synchronous Step-Up DC/DC Converter
92% Efciency, VIN: 1.5V to 5.5V, VOUT(MAX) = 10V, IQ = 10μA,
ISD < 1μA, ThinSOT Package
LTC3523/LTC3523-2
600mA (ISW), Step-Up and 400MHz Synchronous Step-Down
1.2MHz/2.4MHz DC/DC Converter with Output Disconnect
94% Efciency VIN: 1.8V to 5.5V, VOUT(MAX) = 5.25V, IQ = 45μA,
ISD < 1μA, 3mm × 3mm QFN16 Package
LTC3525-3/
LTC3525-3.3/
LTC3525-5
400mA (ISW), Micropower Synchronous Step-Up DC/DC
Converter with Output Disconnect
94% Efciency, VIN: 0.85V to 4V, VOUT(MAX) = 5V, IQ = 7μA,
ISD < 1μA, SC-70 Package
LTC3526/LTC3526L
LTC3526B
500mA (ISW), 1MHz Synchronous Step-Up DC/DC Converter
with Output Disconnect
94% Efciency VIN: 0.85V to 5V, VOUT(MAX) = 5.25V, IQ = 9μA, ISD
< 1μA, 2mm
× 2mm DFN6 Package
LTC3527/LTC3527-1
Dual 800mA/400mA (ISW), 2.2MHz Synchronous Step-Up
DC/DC Converter with Output Disconnect
94% Efciency VIN: 0.7V to 5V, VOUT(MAX) = 5.25V, IQ = 12μA, ISD
< 1μA, 3mm
× 3mm QFN16 Package
LTC3528/LTC3528B
1A (ISW), 1MHz Synchronous Step-Up DC/DC Converter with
Output Disconnect
94% Efciency VIN: 0.7V to 5.5V, VOUT(MAX) = 5.25V, IQ = 12μA,
ISD < 1μA, 2mm × 3mm DFN8 Package
LTC3537
600mA (ISW), 2.2MHz Synchronous Step-Up DC/DC Converter
with Output Disconnect and 100mA LDO
94% Efciency VIN: 0.7V to 5V, VOUT(MAX) = 5.25V, IQ = 30μA,
ISD < 1μA, 3mm × 3mm QFN16 Package
LTC3539/LTC3539-2
2A (ISW), 1MHz, 2.2MHz Synchronous Step-Up DC/DC
Converter with Output Disconnect
94% Efciency, VIN: 0.7V to 5V, VOUT(MAX) = 5.25V,
IQ = 10μA, ISD < 1μA, 2mm × 3mm DFN Package
PC Card or CompactFlash (3.3V/500mA Maximum) 4.5V Output,
GSM Pulsed Load
CS
2.2μH*
LTC3125
GND
VIN
2.74M
2200μF**
×2
55mΩ
TANT
10μF
CER
VOUT
4.5V, 2A PULSED LOAD
(577μs PW, 4.6ms PERIOD)
VIN
PC CARD VCC
3.3V ±10%
500mA MAX
1M
*COILTRONICS SD3118-2R2-R
**VISHAY 592D228X6R3X220H
3125 TA02a
SHDN
PROG
VOUT
FB
44.2k
SW
OFF ON
Waveforms of Input Current, VOUT for Pulsed Load Current
VOUT
100mV/DIV
INPUT CURRENT
200mA/DIV
LOAD CURRENT
2A/DIV
1ms/DIV
VIN = 3.3V
VOUT = 4.5V
COUT = 4.4mF
L = 2.2μH
RPROG = 44.2k
3125 TA02b
TYPICAL APPLICATION
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3125EDCBTRMPBF | 制造商:Linear Technology 功能描述:DC-DC Converter Step-Up 1.8-5.5V DFN8EP |
| LTC3125EDCB-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:1.2A Synchronous Step-Up DC/DC Converter with Input Current Limit |
| 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) |
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