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参数资料
| 型号： | SIC424CD-T1-GE3 |
| 厂商： | Vishay Siliconix |
| 文件页数： | 2/24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
PIN CONFIGURATION (top view)
2 8 27 26 25
24 23 22
FB
V 5 V
A G N D
V OUT
V I N
V LDO
BST
1
2
3
4
5
6
7
PAD1
A G N D
PAD2
V I N
PAD3
LX
21
20
19
1 8
17
16
15
LX
LX
P G N D
P G N D
P G N D
P G N D
LX
PIN DESCRIPTION
Pin Number
1
2
3, 26, PAD 1
4
5, 8 to 11, PAD 2
6
7
12
15, 20, 21, PAD 3
13, 14, 16 to 19
22
23
24
25
27
28
Symbol
FB
V5V
A GND
V OUT
V IN
V LDO
BST
LXBST
LX
P GND
P GOOD
I LIM
LXS
EN/PSV
t ON
ENL
Description
Feedback input for switching regulator used to program the output voltage - connect to an external resistor
divider from V OUT to A GND .
Bias input for internal analog circuits and gate drives - connect to external 3 V or 5 V supply or bias
connection to V LDO .
Analog ground.
Switcher output voltage sense pin, and also the input to the internal switch-over between V OUT and V LDO .
Input supply voltage.
5 V LDO output.
Bootstrap pin - connect a capacitor from BST to LXBST to develop the floating supply for the high-side gate
drive.
LX Boost - connect to the BST capacitor.
Switching (Phase) node.
Power ground.
Open-drain power good indicator. High impedance indicates power is good. An external pull-up resistor is
required.
Current limit sense pin - used to program the current limit by connecting a resistor from I LIM to LXS.
LX sense - connect to R ILIM resistor.
Enable/power save input for the switching regulator - connect to A GND to disable the switching regulator.
Float to operate in forced continuous mode (power save disabled).
For SiC414, connect to V5V to operate with ultrasonic power save mode enabled.
For SiC424, connect to V5V to operate with power save mode enabled with no minimum frequency.
On-time programming input - set the on-time by connecting through a resistor to A GND .
Enable input for the LDO - connect ENL to A GND to disable the LDO. Drive with logic to + 3 V for logic
control, or program the V IN UVLO with a resistor divider between V IN , ENL, and A GND .
ORDERING INFORMATION
Part Number
SiC414CD-T1-GE3
SiC424CD-T1-GE3
SiC414DB
Package
PowerPAK MLP44-28
PowerPAK MLP44-28
Reference board
www.vishay.com
2
For technical questions, contact: powerictechsupport@vishay.com
Document Number: 63388
S13-0248-Rev. B, 04-Feb-13
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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