参数资料
型号: LTC1629CG
厂商: Linear Technology
文件页数: 28/28页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 28-SSOP
标准包装: 47
系列: PolyPhase®
PWM 型: 电流模式
输出数: 1
频率 - 最大: 360kHz
占空比: 99.5%
电源电压: 4 V ~ 36 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: 0°C ~ 85°C
封装/外壳: 28-SSOP(0.209",5.30mm 宽)
包装: 管件
LTC1629/LTC1629-PG
TYPICAL APPLICATIO
V OS
SW2
13.2k
INTV CC
0.1 μ F 17.8k
10k
33pF
3.3k
16.5k
100pF
1000pF
1000pF
1000pF
1000pF
1
2
3
4
5
6
7
8
9
10
11
12
13
14
RUN/SS CLKOUT
SENSE1 + TG1
SENSE1 – SW1
EAIN BOOST1
PLLFLTR V IN
PLLIN BG1
PHASMD EXTV CC
I TH INTV CC
LTC1629-PG
SGND PGND
V DIFFOUT BG2
V OS – BOOST2
+
SENSE2 – TG2
SENSE2 + PGOOD
28
27
26
25
24
23
22
21
20
19
18
17
16
15
5V
0.47 μ F
D3
1 μ F,25V
D4
100k
0.47 μ F
10 ?
0.1 μ F
4.7 μ F
6.3V
POWER
GOOD
M1
M3
L1
L2
C IN
M2
M4
0.003 ?
D1
UPS840
C OUT
D2
UPS840
0.003 ?
V IN
5V TO
16V
V OUT
3.3V/30A
V IN : 5V TO 16V
V OUT : 3.3V/30A
SWITCHING FREQUENCY = 250kHz
MI, M3: IRF7811
M2, M4: IRF7809
L1, L2: 1 μ H SUMIDA CEPH149-1R0MC
C IN : OS CON 2-16SP270M
C OUT : KEMET 3-T510 470 μ F
D3, D4: CENTRAL CMDSH-3TR
1629 TA02
Figure 12. 3.3V/30A Power Supply with Active Voltage Positioning
RELATED PARTS
PART NUMBER
LTC1435/LTC1435A
LTC1436A-PLL
LTC1438/LTC1439
LTC1438-ADJ
LTC1538-AUX
LTC1539
LTC1530
DESCRIPTION
High Efficiency Synchronous Step-Down Switching Regulator
High Efficiency Low Noise Synchronous Step-Down Switching Regulator
Dual High Efficiency Low Noise Synchronous Step-Down Switching Regulators
Dual Synchronous Controller with Auxiliary Regulator
Dual High Efficiency Low Noise Synchronous Step-Down Switching Regulator
Dual High Efficiency Low Noise Synchronous Step-Down Switching Regulator
High Power Step-Down Switching Regulator Controller
COMMENTS
Burst Mode TM Operation, 16-Pin Narrow SO
Adaptive Power TM Mode, 24-Pin SSOP
POR, Auxiliary Regulator
POR, External Feedback Divider
Auxiliary Regulator, 5V Standby
5V Standby, POR, Low-Battery,
Aux Regulator
High Efficiency 5V to 3.3V Conversion
at Up to 15A
LTC1628/LTC1628-PG Dual High Efficiency, PolyPhase Synchronous Step-Down Switching Regulator
Constant Frequency, Standby,
5V and 3.3V LDOs, PGOOD
LTC1702/LTC1703
LTC1708-PG
LTC1709
LTC1735
LTC1736
LTC1929
Dual High Efficiency, PolyPhase Synchronous Step-Down Switching Regulator
Dual High Efficiency, PolyPhase Synchronous Step-Down Switching Regulator
High Efficiency, 2-Phase Synchronous Step-Down Switching Regulator
with 5-Bit VID
High Efficiency Synchronous Step-Down Controller
High Efficiency Synchronous Step-Down Controller with 5-Bit VID
High Efficiency, 2-Phase Synchronous Step-Down Switching Regulator
500kHz, 25MHz GBW, Voltage Mode
Constant Frequency, 5-Bit VID,
Standby 5V, 3.3V, PGOOD
1.3V ≤ V OUT ≤ 3.5V, Current Mode Ensures
Accurate Current Sharing, 3.5V ≤ V IN ≤ 36V
Burst Mode Operation, 16-Pin Narrow SSOP,
Fault Protection, 3.5V ≤ V IN ≤ 36V
Output Fault Protection, Power Good,
24-Pin SSOP, 3.5V ≤ V IN ≤ 36V
Low Cost, 2-Phase Current Mode
Adaptive Power and Burst Mode 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
1629f LT/TP 0100 4K ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 1999
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LTC1629CG#PBF 功能描述:IC REG CTRLR BUCK PWM CM 28-SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:PolyPhase® 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
LTC1629CG#TR 功能描述:IC REG CTRLR BUCK PWM CM 28-SSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:PolyPhase® 标准包装:4,500 系列:PowerWise® PWM 型:控制器 输出数:1 频率 - 最大:1MHz 占空比:95% 电源电压:2.8 V ~ 5.5 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:-40°C ~ 125°C 封装/外壳:6-WDFN 裸露焊盘 包装:带卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名称:LM1771SSDX
LTC1629CG#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 28-SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:PolyPhase® 标准包装:4,500 系列:PowerWise® PWM 型:控制器 输出数:1 频率 - 最大:1MHz 占空比:95% 电源电压:2.8 V ~ 5.5 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:-40°C ~ 125°C 封装/外壳:6-WDFN 裸露焊盘 包装:带卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名称:LM1771SSDX
LTC1629CG-PG 功能描述:IC REG CTRLR BUCK PWM CM 28-SSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:PolyPhase® 标准包装:4,500 系列:PowerWise® PWM 型:控制器 输出数:1 频率 - 最大:1MHz 占空比:95% 电源电压:2.8 V ~ 5.5 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:-40°C ~ 125°C 封装/外壳:6-WDFN 裸露焊盘 包装:带卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名称:LM1771SSDX
LTC1629CG-PG#PBF 功能描述:IC REG CTRLR BUCK PWM CM 28-SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:PolyPhase® 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