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参数资料
| 型号： | LT3508EUF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 3.2 A DUAL SWITCHING CONTROLLER, 1060 kHz SWITCHING FREQ-MAX, PQCC24 |
| 封装： | 4 X 4 MM, PLASTIC, MO-220WGGD-X, QFN-24 |
| 文件页数： | 17/24页 |
| 文件大小： | 365K |
| 代理商： | LT3508EUF |
LT3508
24
3508f
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 0107 PRINTED IN USA
RELATED PARTS
PART NUMBER
DESCRIPTION
COMMENTS
LT1765
25V, 2.75A (IOUT), 1.25MHz, High Efciency Step-Down
DC/DC Converter
VIN: 3V to 25V, VOUT(MIN) = 1.2V, IQ = 1mA, S8, TSSOP16E Packages
LT1766
60V, 1.2A (IOUT), 200kHz, High Efciency Step-Down
DC/DC Converter
VIN: 5.5V to 60V, VOUT(MIN) = 1.2V, IQ = 2.5mA, TSSOP16/TSSOP16E
Packages
LT1767
25V, 1.2A (IOUT), 1.25MHz, High Efciency Step-Down
DC/DC Converter
VIN: 3V to 25V, VOUT(MIN) = 1.2V, IQ = 1mA, MS8, MS8E Packages
LT1940/LT1940L
Dual Monolithic 1.4A, 1.1MHz Step-Down Switching
Regulators
VIN: 3.6V to 25V, VOUT(MIN) = 1.25V, IQ = 3.8mA, TSSOP16E Packages
LTC3407
Dual 600mA, 1.5MHz, Synchronous Step-Down
Regulator
VIN: 2.5V to 5.5V, VOUT(MIN) = 0.6V, IQ = 40A, MSE Package
LT3493
1.2A, 750kHz Step-Down Switching Regulator in
2mm
× 3mm DFN
VIN: 3.6V to 36V, VOUT(MIN) = 0.78V, IQ = 1.9mA, 2mm × 3mm DFN Package
LT3501/LT3510
Dual 3A/2A, 1.5MHz High Efciency Step-Down
Switching Regulators
VIN: 3.6V to 25V, VOUT(MIN) = 0.8V, IQ = 3.7mA, ISD < 10A,
TSSOP20E Package
LT3506/LT3506A
Dual Monolithic 1.6A, 1.1MHz Step-Down Switching
Regulators
VIN: 3.6V to 25V, VOUT(MIN) = 0.8V, IQ = 3.8mA, 16-Lead DFN and 16-Lead
TSSOPE Packages
LTC3701
Two Phase, Dual, 500kHz, Constant Frequency, Current
Mode, High Efciency Step-Down DC/DC Controller
VIN: 2.5V to 10V, VOUT(MIN) = 0.8V, IQ = 460A, SSOP-16 Package
LTC3736
Dual Two Phase, No RSENSE, Synchronous Controller
with Output Tracking
VIN: 2.75V to 9.8V, VOUT(MIN) = 0.6V, IQ = 300A, 4mm × 4mm QFN or
SSOP-24 Packages
LTC3737
Dual Two Phase, No RSENSE DC/DC Controller with
Output Tracking
VIN: 2.75V to 9.8V, VOUT(MIN) = 0.6V, IQ = 220A, 4mm × 4mm QFN or
SSOP-24 Packages
No RSENSE is a trademark of Linear Technology Corporation.
TYPICAL APPLICATION
VIN
12V
BOOST2
LT3508
VIN1
VIN2
GND
3508 TA05
RT/SYNC
C7
330pF
C5
47
F
C6
10
F
C1
4.7
F
C3
0.1
F
R9
40.2k
R10
14.7k
C4
0.1
F
R6
47k
C9
100pF
R5
43k
R4
15.0k
R8
33.2k
C1 TO C6: X5R OR X7R
D1, D2: MMSD4148
D3: DIODES INC. B140
D4: DIODES INC. B120
fSW = 1MHz
R1
52.3k
R7
100k
R2
18.7k
R3
10.0k
L2
3.3
H
L1 6.8
H
D1
D2
VIN2
3.3V
D3
D4
POWER
GOOD
OUT2
1.8V
1.4A
OUT1
5V
0.9A
C2
4.7
F
C8
0.1
F
BOOST1
SHDN
SW2
SW1
FB2
FB1
VC2
PG1
VC1
TRACK/SS1
PG2
TRACK/SS2
5V, 1.8V Output from PCI Express
相关PDF资料 |
PDF描述 |
|---|---|
| LT3509HMSE#TRPBF | 1.2 A DUAL SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO16 |
| LT3509IMSE#PBF | 1.2 A DUAL SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO16 |
| LT3509IMSE#TRPBF | 1.2 A DUAL SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO16 |
| LT3509EMSE#TRPBF | 1.2 A DUAL SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO16 |
| LT3509IDE#TRPBF | 1.2 A DUAL SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO14 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3508EUF#PBF | 功能描述:IC REG BUCK ADJ 1.4A DL 24QFN 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:250 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V 输入电压:2.05 V ~ 6 V PWM 型:电压模式 频率 - 开关:2MHz 电流 - 输出:500mA 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:6-UFDFN 包装:带卷 (TR) 供应商设备封装:6-SON（1.45x1） 产品目录页面:1032 (CN2011-ZH PDF) 其它名称:296-25628-2 |
| LT3508EUF#TRPBF | 功能描述:IC REG BUCK ADJ 1.4A DL 24QFN 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 |
| LT3508EUFPBF | 制造商:Linear Technology 功能描述:Sw. Regulator Dual 1.4A Step-Down QFN24 |
| LT3508EUF-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Monolithic 1.4A Step-Down Switching Regulator |
| LT3508EUF-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Monolithic 1.4A Step-Down Switching Regulator |
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