RAA207700GBM_15 Datasheet, PDF (1/26 Pages) Renesas Technology Corp – Synchronous Buck Regulator with Internal Power MOSFETs

Data Sheet
RAA207700GBM/7701GBM/7702GBM
Synchronous Buck Regulator with
Internal Power MOSFETs
R07DS0891EJ0100
Rev.1.00
Aug 02, 2013
Description
The RAA207700GBM is monolithic synchronous buck regulator with power MOSFETs in extremely small package.
The RAA207700GBM delivers high output current by small Rds(on) Power MOSFETs. Constant on time control
architecture provides fast transient response, and minimize external components. The RAA207700GBM operates skip
mode at light load, it provides high efficiency in all load condition. Three current ability products can be selected.
Features
· Wide input voltage range: 3 V to 16 V
· Output voltage range: 0.8 V to 5 V
· Constant-On-Time control
· Built-in power MOSFETs suitable for PC, Server application
· Very low stand-by current: 0.1 mA (typ.)
· Very low quiescent current :300 mA (typ. at no load)
· Switching frequency: Adjustable up to 2 MHz
· High average output current, up to 15 A (7700GBM), 10 A (7701GBM), 5 A (7702GBM)
· Controllable driver: Remote ON/OFF
· Power Good function
· Over current protection/Over voltage protection/Thermal shutdown function
· Built-in bootstrapping diode
· Soft Start period adjustable
· Enhanced light load mode function for higher efficiency
· High drivability built-in line switch driver for low-loss line switch driving
· Extremely small chip size package with solder bump
· Pb-Free/Halogen-Free
Application Circuit
VCIN
VIN
Line SW
control signal
VCIN
ON/OFF
SET _BOOT
VIN
SS ^RAA207700GBM
RAA207701GBM SW
RAA207702GBM
PGOOD
LS_IN
LS_OUT SGND
FB
PGND
Vout_1
Discrete Line SW
Vout_2
R07DS0891EJ0100 Rev.1.00
Aug 02, 2013
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