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Wide Input Voltage Range, 1.3MHz, Buck Regulator
FEATURES
■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ 2.5V to 2...
www.DataSheet4U.com
Wide Input
Voltage Range, 1.3MHz, Buck Regulator
FEATURES
■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ 2.5V to 20V Step Down Achieved Using Dual Input Output
Voltage down to 0.8V 3A Output Capability Built in Low RDSON Power Switches (40 m1 typical) Highly Integrated Design, Minimal Components 1.3MHz Fixed Frequency Operation UVLO Detects Both VCC and VIN Over Temperature Protection Short Circuit Protection with Auto-Restart Wide BW Amp Allows Type II or III Compensation Programmable Soft Start Fast Transient Response High Efficiency: Greater than 95% Possible Asynchronous Start-Up into a Pre-Charged Output Small 7mm x 4mm DFN Package U.S. Patent #6,922,041
SP7653
Power Blox
SP7653 SP7653
BOTTOM VIEW BOTTOM VIEW Heatsink Pad 1 Heatsink Pad Connect to Lx1 Connect to Lx 1 PGND 26 LX 2 PGND 25 LX 3 PGND 24 LX 4 GND 23 LX 5 VFB 2 2 VCC 6 COMP 21 GND 7 UVIN 20 GND 8 GND 19 GND 9 SS 18 BST 10 VIN 17 NC 11 VIN 16 LX 12 VIN 15 LX 13 VIN 14 LX
TM
DFN PACKAGE DFN PACKAGE 7mm x 4mm 7mm x 4mm LX 26 P GND 1 LX 25 PGND 2 LX 24 PGND 3 LX 23 GND 4 22 VCC VFB 5 GND 21 COMP 6 20 GND UVIN 7 19 GND GND 8 18 BST SS 9 NC 17 VIN 10 LX 16 VIN 11 LX 15 VIN 12 14 LX VIN 13
Heatsink Pad 2 Heatsink 2 Connect topad GND Connect to GND
Heatsink Pad 3 Connect to VIN Heatsink pad 3 Connect to VIN
Now Available in Lead Free Packaging DESCRIPTION
The SP7653 is a synchronous step-down switching regulator optimized for high efficiency. The part is designed to be especially attractive for dual sup...
