RT9214 Datasheet, PDF (7/17 Pages) Richtek Technology Corporation – 5V/12V Synchronous Buck PWM DC-DC Controller

RT9214
V_CC Switching
VOUT
IOUT
UGATE
(100mV/Div)
(10A/Div)
VCC
(20V/Div)
VCC = 5V to 12V
IOUT= 10A, VIN = 5V
Time (10ms/Div)
(10V/Div)
VOUT
IOUT
UGATE
Power On
(500mV/Div)
(2A/Div)
(10V/Div)
Time (500us/Div)
VCC
VOUT
VIN
UGATE
IOUT = 2A
Power Off
(10V/Div)
(2V/Div)
(2V/Div)
Time (5ms/Div)
(10V/Div)
Dead Time (Rising)
VCC = VIN = 5V
IOUT = 25A
UGATE
(5V/Div)
PHASE
LGATE
Time (25ns/Div)
Dead Time (Falling)
VCC = 12V
VIN = 5V
IOUT= 25A
UGATE
PHASE
(5V/Div)
LGATE
Time (10ns/Div)
Transient Response (Rising)
UGATE
(10V/Div)
VOUT
(100mV/Div)
IL
(10A/Div)
VCC = VIN = 12V
IOUT= 0A to 15A
Freq. = 1/20ms, SR = 2.5A/us
Time (5us/Div)
L = 2.2uH
C = 2000uF
DS9214-13 September 2007
www.richtek.com
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