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CRCW060378K7FKEA Datasheet(PDF) 2 Page - Vishay Siliconix

Part # CRCW060378K7FKEA
Description  6 A, microBUCK SiC414, SiC424 Integrated Buck Regulator with 5 V LDO
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Manufacturer  VISHAY [Vishay Siliconix]
Direct Link  http://www.vishay.com
Logo VISHAY - Vishay Siliconix

CRCW060378K7FKEA Datasheet(HTML) 2 Page - Vishay Siliconix

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Document Number: 63388
S13-0248-Rev. B, 04-Feb-13
Vishay Siliconix
SiC414, SiC424
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
For technical questions, contact: powerictechsupport@vishay.com
PIN CONFIGURATION (top view)
PAD1
AGND
BST
VLDO
VIN
VOUT
AGND
V5V
FB
PAD3
LX
PAD2
VIN
1
2
3
4
5
7
6
LX
PGND
PGND
PGND
PGND
LX
LX
15
16
17
18
19
20
21
28 27 26 25
24 23 22
PIN DESCRIPTION
Pin Number
Symbol
Description
1FB
Feedback input for switching regulator used to program the output voltage - connect to an external resistor
divider from VOUT to AGND.
2V5V
Bias input for internal analog circuits and gate drives - connect to external 3 V or 5 V supply or bias
connection to VLDO.
3, 26, PAD 1
AGND
Analog ground.
4VOUT
Switcher output voltage sense pin, and also the input to the internal switch-over between VOUT and VLDO.
5, 8 to 11, PAD 2
VIN
Input supply voltage.
6VLDO
5 V LDO output.
7BST
Bootstrap pin - connect a capacitor from BST to LXBST to develop the floating supply for the high-side gate
drive.
12
LXBST
LX Boost - connect to the BST capacitor.
15, 20, 21, PAD 3
LX
Switching (Phase) node.
13, 14, 16 to 19
PGND
Power ground.
22
PGOOD
Open-drain power good indicator. High impedance indicates power is good. An external pull-up resistor is
required.
23
ILIM
Current limit sense pin - used to program the current limit by connecting a resistor from ILIM to LXS.
24
LXS
LX sense - connect to RILIM resistor.
25
EN/PSV
Enable/power save input for the switching regulator - connect to AGND 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.
27
tON
On-time programming input - set the on-time by connecting through a resistor to AGND.
28
ENL
Enable input for the LDO - connect ENL to AGND to disable the LDO. Drive with logic to + 3 V for logic
control, or program the VIN UVLO with a resistor divider between VIN, ENL, and AGND.
ORDERING INFORMATION
Part Number
Package
SiC414CD-T1-GE3
PowerPAK MLP44-28
SiC424CD-T1-GE3
PowerPAK MLP44-28
SiC414DB
Reference board


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