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参数资料
| 型号： | SIC424CD-T1-GE3 |
| 厂商： | Vishay Siliconix |
| 文件页数： | 1/24页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 6A 44MLP-28 |
| 标准包装： | 1 |
| 系列： | microBUCK® |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.75 V ~ 5.5 V |
| 输入电压： | 3 V ~ 28 V |
| 频率 - 开关： | 200kHz ~ 1MHz |
| 电流 - 输出： | 6A |
| 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： | 28-WFQFN 裸露焊盘 |
| 包装： | 标准包装 |
| 供应商设备封装： | 28-MLPQ（4x4） |
| 其它名称： | SIC424CD-T1-GE3DKR |
SiC414, SiC424
Vishay Siliconix
6 A, microBUCK ? SiC414, SiC424
Integrated Buck Regulator with 5 V LDO
DESCRIPTION
FEATURES
The Vishay Siliconix SiC414 and SiC424 are an advanced
stand-alone synchronous buck regulator featuring integrated
power MOSFETs, bootstrap switch, and an internal 5 V LDO
in a space-saving PowerPAK MLP44-28L package.
The SiC414 and SiC424 are capable of operating with all
ceramic solutions and switching frequencies up to 1 MHz.
The programmable frequency, synchronous operation and
selectable power-save allow operation at high efficiency
across the full range of load current. The internal LDO may
be used to supply 5 V for the gate drive circuits or it may be
bypassed with an external 5 V for optimum efficiency and
used to drive external n-channel MOSFETs or other loads.
Additional features include cycle-by-cycle current limit,
voltage soft-start, under-voltage protection, programmable
over-current protection, soft shutdown and selectable
power-save. The Vishay Siliconix SiC414 and SiC424 also
provides an enable input and a power good output.
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High efficiency > 95 %
6 A continuous output current capability
Integrated bootstrap switch
Integrated 5 V/200 mA LDO with bypass logic
Temperature compensated current limit
Pseudo fixed-frequency adaptive on-time
control
All ceramic solution enabled
Programmable input UVLO threshold
Independent enable pin for switcher and LDO
Selectable ultrasonic power-save mode (SiC414)
Selectable power-save mode (SiC424)
Internal soft-start and soft-shutdown
1 % internal reference voltage
Power good output and over voltage protection
PRODUCT SUMMARY
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Material categorization: For definitions of compliance
please see www.vishay.com/doc?99912
Input Voltage Range
3 V to 28 V
APPLICATIONS
Output Voltage Range
Operating Frequency
Continuous Output Current
Peak Efficiency
Package
0.75 V to 5.5 V
200 kHz to 1 MHz
6A
95 %
PowerPAK MLP44-28L
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Notebook, desktop, and server computers
Digital HDTV and digital consumer applications
Networking and telecommunication equipment
Printers, DSL, and STB applications
Embedded applications
Point of load power supplies
TYPICAL APPLICATION CIRCUIT AND PACKAGE OPTION
LDO_E N
E N /PS V (Tri-State)
3.3 V
V OUT
P GOOD
1 FB
2 8 27 26 25 24
23 22
LX 21
V OUT
2 V 5 V
3 A G N D
PAD1
A G N D
LX 20
P G N D 19
V I N
4 V OUT
5 V I N
6 V LDO
7 BST
PAD2
V I N
PAD3
LX
P G N D 1 8
P G N D 17
P G N D 16
LX 15
8
9
10 11 12
13 14
Document Number: 63388
S13-0248-Rev. B, 04-Feb-13
For technical questions, contact: powerictechsupport@vishay.com
www.vishay.com
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This document is subject to change without notice.
THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
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