參數(shù)資料
型號(hào): LTC1147LCS8#TR
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, 400 kHz SWITCHING FREQ-MAX, PDSO8
封裝: 0.150 INCH, PLASTIC, SO-8
文件頁數(shù): 8/16頁
文件大小: 217K
代理商: LTC1147LCS8#TR
16
LTC1147-3.3
LTC1147-5/LTC1147L
sn1147 1147fds
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900q FAX:(408)434-0507 q www.linear-tech.com
TYPICAL APPLICATION
U
LINEAR TECHNOLOGY CORPORATION 1993
LT/TP 0698 REV D 2K PRINTED IN USA
PART NUMBER
DESCRIPTION
COMMENTS
LTC1142
Dual High Efficiency Synchronous Step-Down Switching Regulator
Dual Version of LTC1148
LTC1143
Dual High Efficiency Step-Down Switching Regulator Controller
Dual Version of LTC1147
LTC1147
High Efficiency Step-Down Switching Regulator Controller
Nonsynchronous, 8-Lead, VIN ≤ 16V
LTC1148
High Efficiency Step-Down Switching Regulator Controller
Synchronous, VIN ≤ 20V
LTC1149
High Efficiency Step-Down Switching Regulator
Synchronous, VIN ≤ 48V, for Standard Threshold FETs
LTC1159
High Efficiency Step-Down Switching Regulator
Synchronous, VIN ≤ 40V for Logic Level MOSFETS
LTC1174
High Efficiency Step-Down and Inverting DC/DC Converter
0.5A Switch, VIN ≤ 18.5V, Comparator
LTC1265
High Efficiency Step-Down DC/DC Converter
1.2A Switch, VIN ≤ 13V, Comparator
LTC1267
Dual High Efficiency Synchronous Step-Down Switching Regulators
Dual Version of LTC1159
LTC1435
High Efficiency Low Noise Synchronous Step-Down Switching Regulator
16-Pin Narrow SO/SSOP; Constant Frequency
S8 Package
8-Lead Plastic Small Outline (Narrow 0.150)
(LTC DWG # 05-08-1610)
3.3V/2A Output High Efficiency Regulator
1
2
3
4
0.150 – 0.157**
(3.810 – 3.988)
8
7
6
5
0.189 – 0.197*
(4.801 – 5.004)
0.228 – 0.244
(5.791 – 6.197)
0.016 – 0.050
0.406 – 1.270
0.010 – 0.020
(0.254 – 0.508)
× 45°
0
°– 8° TYP
0.008 – 0.010
(0.203 – 0.254)
SO8 0996
0.053 – 0.069
(1.346 – 1.752)
0.014 – 0.019
(0.355 – 0.483)
0.004 – 0.010
(0.101 – 0.254)
0.050
(1.270)
TYP
DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
*
**
PACKAGE DESCRIPTIO
U
Dimensions in inches (millimeters) unless otherwise noted.
RELATED PARTS
1
2
3
4
8
7
6
5
VIN
CT
ITH
SENSE
PDRIVE
GND
SHDN
SENSE+
LTC1147-3.3
SHUTDOWN
0.1
F
CC
3300pF
RC
1k
CT
220pF
0.01
F
+
CIN
22
F
25V
× 2
LTC1147 F12
RSENSE**
0.05
L*
20
H
Si4431DY
VIN
4V TO 14V
+
D1
MBRS130LT3
COUT
220
F
10V
AVX
VOUT
3.3V/2A
COILTRONICS CTX20-4
KRL SP-1/2-A1-OR050
*
**
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參數(shù)描述
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LTC1147LIS8#TR 功能描述:IC REG CTRLR BUCK PWM CM 8-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:96% 電源電壓:4 V ~ 36 V 降壓:無 升壓:是 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 125°C 封裝/外殼:24-WQFN 裸露焊盤 包裝:帶卷 (TR)
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LTC1148 制造商:LINER 制造商全稱:Linear Technology 功能描述:High Efficiency Synchronous Step-Down Switching Regulators