rt9232b Richtek Technology Corporation, rt9232b Datasheet - Page 7
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rt9232b
Manufacturer Part Number
rt9232b
Description
Programmable Frequency Synchronous Buck Controller
Manufacturer
Richtek Technology Corporation
Datasheet
1.RT9232B.pdf
(14 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
rt9232bGS
Manufacturer:
RICHTEK/立锜
Quantity:
20 000
(500mV/Div)
Typical Operating Characteristics
DS9232B-03 March 2007
COMP
(10V/Div)
(10V/Div)
(2V/Div)
(2V/Div)
(1A/Div)
(2V/Div)
(2V/Div)
V
EN
V
EN
SS
SS
OUT
OUT
I
L
100
90
80
70
60
50
0
V
V
V
IN
IN
IN
Efficiency vs. Output Current
= 3.3V
= 5V
= 12V
5
Output Current (A)
Time (10ms/Div)
Time (25ms/Div)
Power On
Power On
10
15
V
f = 300kHz
OUT
20
= 1.6V
25
(500mV/Div)
(10V/Div)
(20V/Div)
(10V/Div)
(10A/Div)
V
UGATE
LGATE
(2V/Div)
(2V/Div)
(1A/Div)
OUT
V
EN
SS
I
OUT
I
L
10000
L
1000
100
10
1
0
Pull high to V
100
R
RT
vs. Oscillator Frequency
200
CC
Time (10ms/Div)
Frequency (kHz)
Time (10μs/Div)
Power On
Power Off
12
300
Pull down to GND
400
RT9232B
www.richtek.com
500
600
700
7