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參數(shù)資料
| 型號： | SIC417CD-T1-E3 |
| 廠商： | Vishay Siliconix |
| 文件頁數(shù)： | 2/19頁 |
| 文件大?。?/td> | 922K |
| 描述： | IC REG DL BCK/LINEAR SYNC 32MLPQ |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | microBUCK® |
| 拓?fù)洌?/td> | 降壓（降壓）同步（1），線性（LDO）（1） |
| 功能： | 任何功能 |
| 輸出數(shù)： | 2 |
| 頻率 - 開關(guān)： | 200kHz ~ 1MHz |
| 電壓/電流 - 輸出 1： | 0.5 V ~ 5.5 V，10A |
| 電壓/電流 - 輸出 2： | 0.75 V ~ 5.25 V，150mA |
| 帶 LED 驅(qū)動器： | 無 |
| 帶監(jiān)控器： | 無 |
| 帶序列發(fā)生器： | 無 |
| 電源電壓： | 3 V ~ 28 V |
| 工作溫度： | -25°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 32-PowerWFQFN |
| 供應(yīng)商設(shè)備封裝： | PowerPAK? MLP55-32 |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 其它名稱： | SIC417CD-T1-E3DKR |
www.vishay.com
2
Document Number: 69062
S10-1367-Rev. D, 14-Jun-10
Vishay Siliconix
SiC417
PIN CONFIGURATION
FB
FBL
V5V
A
GND
V
OUT
V
IN
V
LDO
BST
LX
LX
P
GND
P
GND
P
GND
P
GND
P
GND
P
GND
PAD 1
A
GND
34
PAD 2
V
IN
35
PAD 3
LX 33
PIN DESCRIPTION
Pin Number Symbol
Description
1
FB
Feedback input for switching regulator. Connect to an external resistor divider from output to program the
output voltage.
2
FBL Feedback input for the LDO. Connect to an external resistor divider from V
LDO
to program the V
LDO
output.
3
V5V
5 V power input for internal analog circuits and gate drives. Connect to external 5 V supply or configure the
LDO for 5 V and connect to V
LDO
.
4, 30, PAD 1 A
GND
Analog ground.
5
V
OUT
Output voltage input to the SiC417. Additionally, may be used to bypass LDO to supply V
LDO
directly.
6, 9 - 11, PAD 2 V
IN
Input supply voltage.
7
V
LDO
LDO output.
8
BST
Bootstrap pin. A capacitor is connected between BST to LX to develop the floating voltage for the high-side
gate drive.
12
DH High-side gate drive - do not connect this pin.
14
DL Low-side gate drive - do not connect this pin.
13, 23 - 25, 28,
PAD 3
LX Switching (Phase) node.
15-22
P
GND
Power ground.
26
P
GOOD
Open-drain power good indicator. High impedance indicates power is good. An external pull-up resistor is
required.
27
I
LIM
Current limit sense point - to program the current limit connect a resistor from I
LIM
to LX.
29
EN/PSV
Tri-state pin. Enable input for switching regulator. Connect EN to A
GND
to disable the switching regulator.
Float pin for forced continuous and pull high for power-save mode.
31
t
ON
On-time set input. Set the on-time by a series resistor to the input supply voltage.
32
ENL Enable input for the LDO. Connect ENL to A
GND
to disable the LDO.
ORDERING INFORMATION
Part Number
Package
SiC417CD-T1-E3
MLPQ55-32
SiC417DB
Evaluation board
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