参数资料
型号: LTC3522EUD#TR
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: 0.85 A DUAL SWITCHING CONTROLLER, 1330 kHz SWITCHING FREQ-MAX, PQCC16
封装: 3 X 3 MM, PLASTIC, M0-220WEED-2, QFN-16
文件页数: 13/20页
文件大小: 270K
代理商: LTC3522EUD#TR
LTC3522
20
3522f
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 FAX: (408) 434-0507 www.linear.com
LINEAR TECHNOLOGY CORPORATION 2007
LT 0507 PRINTED IN USA
RELATED PARTS
PART NUMBER
DESCRIPTION
COMMENTS
LTC3410/LTC3410B 300mA (IOUT), 2.25MHz Synchronous Buck DC/DC Converter VIN: 2.5V to 5.5V, VOUT(RANGE) = 0.8V to VIN, IQ = 26μA, ISD < 1μA,
SC70 Package
LTC3440
600mA (IOUT), 2MHz Synchronous Buck-Boost
DC/DC Converter
VIN: 2.5V to 5.5V, VOUT(RANGE) = 2.5V to 5.5V, IQ = 25μA, ISD < 1μA,
MS, DFN Packages
LTC3441
600mA (IOUT), 2MHz Synchronous Buck-Boost
DC/DC Converter
VIN: 2.5V to 5.5V, VOUT(RANGE) = 2.4V to 5.25V, IQ = 25μA, ISD < 1μA,
DFN Package
LTC3442
1.2A (IOUT), 2MHz Synchronous Buck-Boost
DC/DC Converter
VIN: 2.4V to 5.5V, VOUT(RANGE) = 2.4V to 5.25V, IQ = 35μA, ISD < 1μA,
DFN Package
LTC3455
Dual DC/DC Converter with USB Power Manager and Li-Ion
Battery Charger
96% Efciency, Seamless Transition Between Inputs, IQ = 110μA,
ISD < 2μA, QFN Package
LTC3456
2-Cell Multi-Output DC/DC Converter with USB Power
Manager
92% Efciency, Seamless Transition Between Inputs, IQ = 180μA,
ISD < 1μA, QFN Package
LTC3530
600mA (IOUT), 2MHz Synchronous Buck-Boost
DC/DC Converter
VIN: 1.8V to 5.5V, VOUT(RANGE) = 1.8V to 5.5V, IQ = 40μA, ISD < 1μA,
DFN, MSOP Packages
LTC3532
500mA (IOUT), 2MHz Synchronous Buck-Boost
DC/DC Converter
VIN: 2.4V to 5.5V, VOUT(RANGE) = 2.4V to 5.25V, IQ = 35μA, ISD < 1μA,
DFN, MSOP Packages
LTC3544/LTC3544B 300mA, 200mA
×2, 100mA, 2.25MHz Quad Output
Synchronous Step-Down DC/DC Converter
VIN: 2.25V to 5.5V, VOUT(MIN) = 0.8V, IQ = 70μA, ISD < 1μA,
3mm
× 3mm QFN Packages
TYPICAL APPLICATION
3V at 400mA and 1.8V at 200mA with Sequenced Start-Up
+
PVIN1 PVIN2
SW2
FB2
VOUT1
LTC3522
PGOOD2
1M
137k
12pF
68.1k
C2
4.7
μF
C1
6.8
μF
C3
4.7
μF
Li-Ion
L2
4.7
μH
L1
8.2
μH
VOUT1
3V
300mA
(400mA, VIN > 3V)
C1: TDK C3216X5R0J685M
C2, C3: TAIYO YUDEN JMK212BJ106MG
L1: COOPER BUSSMANN SD18-8R2
L2: COOPER BUSSMANN SD18-4R7
VOUT2
1.8V
200mA
PGOOD1
VIN
2.4V TO 4.2V
499k
3522 TA03A
PGOOD1
PWM
SW1A
SW1B
FB1
SHDN2
SHDN1
PGND1 GND1 PGND2
499k
ON
OFF
PWM
BURST
VOUT2
1V/DIV
VOUT1
2V/DIV
PGOOD2
5V/DIV
PGOOD1
5V/DIV
200
μs/DIV
3522 TA03b
Sequenced Start-Up Waveforms
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相关代理商/技术参数
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LTC3523 制造商:LINER 制造商全称:Linear Technology 功能描述:Synchronous 600mA Step-Up and 400mA Step-Down DC/DC Converters
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LTC3523EUD#TRPBF 功能描述:IC REG BUCK BOOST SYNC ADJ 16QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:2,500 系列:- 类型:降压(降压) 输出类型:固定 输出数:1 输出电压:1.2V,1.5V,1.8V,2.5V 输入电压:2.7 V ~ 20 V PWM 型:- 频率 - 开关:- 电流 - 输出:50mA 同步整流器:是 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:10-TFSOP,10-MSOP(0.118",3.00mm 宽)裸露焊盘 包装:带卷 (TR) 供应商设备封装:10-MSOP 裸露焊盘
LTC3523EUD-2#PBF 功能描述:IC REG BUCK BOOST SYNC ADJ 16QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:2,500 系列:- 类型:降压(降压) 输出类型:固定 输出数:1 输出电压:1.2V,1.5V,1.8V,2.5V 输入电压:2.7 V ~ 20 V PWM 型:- 频率 - 开关:- 电流 - 输出:50mA 同步整流器:是 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:10-TFSOP,10-MSOP(0.118",3.00mm 宽)裸露焊盘 包装:带卷 (TR) 供应商设备封装:10-MSOP 裸露焊盘
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