RT9232 Ver la hoja de datos (PDF) - Richtek Technology
Número de pieza
componentes Descripción
Fabricante
RT9232 Datasheet PDF : 14 Pages
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RT9232
Typical Operating Characteristics
Efficient vs. Output Current
100
90
VIN = 3.3V
80
VIN = 5V
VIN = 12V
70
60
50
0
5
10
15
20
25
30
Output Current (A)
Loading = 0A
Dead Time
UGATE
PHASE
(5V/Div)
LGATE
VGS
RRT vs. Oscillator Frequency
1000
Pull high to VCC
100
10
Pull down to GND
1
0 100 200 300 400 500 600 700 800
Frequency (kHz)
Loading = 0A
Dead Time
UGATE
PHASE
(5V/Div)
VGS
LGATE
Time (25ns/Div)
UVP
Time (25ns/Div)
Bootstrap Wave Form
VCC = EN (2V/Div)
SS (5V/Div)
FB (500mV/Div)
UGATE (10V/Div)
Time (20ms/Div)
VOUT
LGATE
PHASE
UGATE
(500mV/Div)
(5V/Div)
(5V/Div)
(5V/Div)
Time (1us/Div)
www.richtek.com
6
DS9232-06 March 2007
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