参数资料
型号: LTC1143CS
厂商: Linear Technology
文件页数: 20/20页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 16-SOIC
标准包装: 50
PWM 型: 电流模式
输出数: 2
频率 - 最大: 400kHz
占空比: 100%
电源电压: 3.5 V ~ 16 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 16-SOIC(0.154",3.90mm 宽)
包装: 管件
其它名称: LTC1143CSW
LTC1143CSW-ND
LTC1143/LTC1143L
LTC1143L-ADJ
TYPICAL APPLICATIO N
V IN
5.2V TO 14V
C IN3
22 μ F
25V
× 3
+
13
+
0.22 μ F
2
0V = NORMAL
>1.5V = SHUTDOWN
0.22 μ F
10
+
5
+
C IN5
22 μ F
25V
× 2
P1
V IN3
SHUTDOWN 3
SHUTDOWN 5
V IN5
P2
V OUT3
3.3V/3A
R SENSE3
0.033 ?
L1
10 μ H
4
1
0.01 μ F
P-DRIVE 3
SENSE + 3
LTC1143
P-DRIVE 5
SENSE + 5
12
9
0.01 μ F
L2
25 μ H
R SENSE5
0.05 ?
V OUT5
5V/2A
+ C OUT3
220 μ F
10V
× 3
D1
MBRD340
16
SENSE – 3
GND3
3
C T3
14
I TH3
15
R C3
510 ?
I TH5
7
R C5
1k
C T5
6
SENSE – 5
GND5
11
8
D2
MBRD340
+
C OUT5
220 μ F
10V
× 2
C T3
200pF
C C3
3300pF
C C5
3300pF
C T5
220pF
LTC1143.F13
C IN3 , C IN5 : AVX TPSD226K025R0200
C OUT3 , C OUT5 : AVX TPSE227M010R0080
L1: COILTRONICS CTX10-4
L2: COILTRONICS CTX25-4
P1: SILICONIX Si4431DY
P2: SILICONIX Si9435DY
R SENSE3 : KRL SL-1/2-C1-0R033J
R SENSE5 : KRL SL-1/2-C1-0R050J
Figure 13. All Surface Mount Dual 5V/2A, 3.3V/3A Converter
RELATED PARTS
PART NUMBER
LTC1142
LTC1142L-ADJ
DESCRIPTION
Dual High Efficiency Synchronous Step-Down Switching Regulator
Dual High Efficiency Synchronous Step-Down Switching Regulator
COMMENTS
Synchronous Equivalent to LTC1143, 4V < V IN < 16V
Synchronous Equivalent to LTC1143L-ADJ, 3.5V < V IN < 16V
LTC1142HV-ADJ Dual High Efficiency Synchronous Step-Down Switching Regulator
4V < V IN < 20V
LTC1147L
LTC1265
LTC1438
LTC1538-AUX
LTC1539
High Efficiency Step-Down Switching Regulator Controller
1.2A, High Efficiency Step-Down DC/DC Converter
Dual Synchronous Controller with Power-On Reset and
an Extra Comparator
Dual Synchronous Controller with Auxiliary Linear Regulator
Controller and 5V Standby
Dual Synchronous Controller with Phase-Locked Loop
(1/2) LTC1143L-ADJ in SO-8
Single Channel with Internal Switch
Constant Frequency Current Mode, Drives Synchronous
N-Channel MOSFETS
Up to Four Output Voltages from G28 Package
Full Featured Dual Controller in G36 Package
and Adaptive Power TM Operation
Adaptive Power is a trademark of Linear Technology Corporation.
20
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900 q FAX: (408) 434-0507 q www.linear-tech.com
1143fa LT/TP 0598 REV A 2K ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 1994
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LTC1143CS#PBF 功能描述:IC REG CTRLR BUCK PWM CM 16-SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:500kHz 占空比:96% 电源电压:4 V ~ 36 V 降压:无 升压:是 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 125°C 封装/外壳:24-WQFN 裸露焊盘 包装:带卷 (TR)
LTC1143CS#TR 功能描述:IC REG CTRLR BUCK PWM CM 16-SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:500kHz 占空比:96% 电源电压:4 V ~ 36 V 降压:无 升压:是 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 125°C 封装/外壳:24-WQFN 裸露焊盘 包装:带卷 (TR)
LTC1143CS#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 16-SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:500kHz 占空比:96% 电源电压:4 V ~ 36 V 降压:无 升压:是 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 125°C 封装/外壳:24-WQFN 裸露焊盘 包装:带卷 (TR)
LTC1143L 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual High Efficiency SO-16 Step-Down Switching Regulator Controllers
LTC1143L-ADJ 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual High Efficiency SO-16 Step-Down Switching Regulator Controllers