SP7651
FEATURES
- 2.5V to 20V Step Down Achieved Using Dual Input
- Output Voltage down to 0.8V
SP7651 DFN PACKAGE
7mm x 4mm
- 3A Output Capability (Up to 5A with Air Flow)
- Built in Low RDSON Power FETs (40 mΩ typ)
- Highly Integrated Design, Minimal ponents
- 900 k Hz Fixed Frequency Operation
- UVLO Detects Both VCC and VIN
- Over Temperature Protection
- Short Circuit Protection with Auto-Restart
LX 26 LX 25 LX 24 LX 23 VCC 22 GND 21 GND 20
BOTTOM VIEW Heatsink Pad 1 Connect to Lx
Pin 27
Heatsink Pad 2 Connect to GND
1 PGND 2 PGND 3 PGND 4 GND 5 VFB 6 P 7 UVIN
- Wide BW Amp Allows Type II or III pensation
GND 19
Pin 28
8 GND
- Programmable Soft Start
BST 18
9 SS
- Fast Transient Response
- High Efficiency: Greater than 92% Possible
- Asynchronous Start-Up into a Pre-Charged Output
- Small 7mm x 4mm DFN Package
NC 17 LX 16 LX 15 LX 14
Heatsink Pad 3 Connect to VIN
Pin 29
10 VIN 11 VIN 12 VIN 13 VIN
- U.S. Patent #6,922,041
DESCRIPTION
The SP7651 is a high voltage...