参数资料
型号: LTC1735IGN-1#TR
厂商: Linear Technology
文件页数: 28/28页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 16-SSOP
标准包装: 2,500
PWM 型: 电流模式
输出数: 1
频率 - 最大: 335kHz
占空比: 99.4%
电源电压: 3.5 V ~ 30 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-SSOP(0.154",3.90mm 宽)
包装: 带卷 (TR)
LTC1735-1
TYPICAL APPLICATIO
High Efficiency Dynamic Output Voltage Selectable CPU Power Supply for SpeedStep Enabled Processors
PGOOD RUN
R7
JP1
V IN
4.5V TO 24V
C C2 330pF
C S1
1000pF
12
SENSE
INTV CC
SENSE +
C OUT
+
180 μ F
V SEL = 1: V OUT = 1.60V
100k
INTV CC
C OSC 47pF
C SS 0.1 μ F
R C1 33k
C C1 47pF
C1
47pF
1
2
3
4
5
6
7
8
C OSC TG
LATCH-OFF R6
DISABLE 680k
C F1
0.1 μ F
16
15
RUN/SS BOOST
14
I TH LTC1735-1 SW
13
PGOOD V IN
11
BG
10
V OSENSE PGND
9
SGND EXTV CC
R5 10 ?
R4 10 ?
+ C2 C4
5V
INPUT
(OPTIONAL)
R8
4.7 ?
C B 0.22 μ F
D1
CMDSH-3
4.7 μ F 1 μ F
Q1
FDS6680A
L1
1.2 μ H
D2
MBRS340T3
Q2, Q3
FDS6680A
× 2
C IN
22 μ F
50V
CERAMIC
× 2
R SENSE
0.004 ?
C2
47pF
C3
47pF
R2
14.3k
0.5%
C IN : MARCON THCR70E1H226ZT
C OUT : PANASONIC EEFVE06181R
L1: PANASONIC ETQP6F1R2HFA
R SENSE : IRC CRF2512-01-R004F
V OUT
1.35V OR 1.60V
12A
R1
10k
0.5%
R3 4V
33.2k SP
1% × 4
Q4
2N7002
V SEL = 0: V OUT = 1.35V
GND
1735-1 TA01
RELATED PARTS
PART NUMBER
LTC1149
LTC1159
LT1375/LT1376
LTC1435A
DESCRIPTION
High Efficiency Synchronous Step-Down Controller
High Efficiency Synchronous Step-Down Controller
1.5A 500kHz Step-Down Switching Regulator
High Efficiency Low Noise Synchronous Step-Down Controller, N-Ch Drive
COMMENTS
100% DC, Std Threshold MOSFETs, V IN < 48V
100% DC, Logic Level MOSFETs, V IN < 40V
High Efficiency
Burst Mode Operation, 16-Pin Narrow SO
LTC1436A/LTC1436A-PLL High Efficiency Low Noise Synchronous Step-Down Converter, N-Ch Drive
Adaptive Power TM Mode 20-Pin, 24-Pin SSOP
PolyPhase Synchronous Controller with 5-Bit VID
LTC1474/LTC1475
LTC1628
LTC1702
LTC1709
LTC1735
LTC1736
LTC1772
Ultralow Quiescent Current Step-Down Monolithic Switching Regulator
Dual High Efficiency 2-Phase Step-Down Controller
550kHz Dual Output Synchronous Step-Down Controller
TM
High Efficiency Synchronous Step-Down Contoller, N-Channel Drive
High Efficiency Synchronous Step-Down Controller with 5-Bit VID Control
SOT-23 High Efficiency Constant Frequency Step-Down Controller
100% DC, 8-Pin MSOP, I Q = 10 μ A
Antiphase Drive, 28-Pin SSOP, 3.5V ≤ V IN ≤ 36V
Antiphase Drive, 24-Pin SSOP, V IN ≤ 7V
Up to 42A, Minimum Input Capacitors,
1.3V ≤ V OUT ≤ 3.5V
Burst Mode Opertion, 16-Pin Narrow SSOP
Output Fault Protection, 24-Pin SSOP
100% DC, 550kHz, SOT-23, Current Mode
Adaptive Power and PolyPhase are trademarks of Linear Technology Corporation.
28
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900 q FAX: (408) 434-0507 q www.linear-tech.com
sn17351 17351fs LT/TP 0100 4K ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 1999
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LTC1735IS#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:- 特色产品:LM3753/54 Scalable 2-Phase Synchronous Buck Controllers 标准包装:1 系列:PowerWise® PWM 型:电压模式 输出数:1 频率 - 最大:1MHz 占空比:81% 电源电压:4.5 V ~ 18 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-5°C ~ 125°C 封装/外壳:32-WFQFN 裸露焊盘 包装:Digi-Reel® 产品目录页面:1303 (CN2011-ZH PDF) 其它名称:LM3754SQDKR
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