RT8253B RICHTEK [Richtek Technology Corporation], RT8253B Datasheet - Page 8

• Manufacturer Part Number: RT8253B
• Description: 3A, 23V, 1.2MHz Synchronous Step-Down Converter
• Manufacturer: RICHTEK [Richtek Technology Corporation]

RT8253B
www.richtek.com
8
(5mV/Div)
(10V/Div)
(2A/Div)
V
(5V/Div)
(5V/Div)
(2A/Div)
(2V/Div)
(2A/Div)
(2V/Div)
V
OUT
V
V
V
SW
V
I
OUT
L
OUT
I
I
EN
L
L
IN
Power Off from VIN
Power Off from EN
V
Time (500ns/Div)
IN
V
Time (5ms/Div)
V
Time (5ms/Div)
IN
IN
Switching
= 12V, V
= 12V, V
= 12V, V
OUT
OUT
OUT
= 3.3V, I
= 3.3V, I
= 3.3V, I
OUT
OUT
OUT
= 1.5A
= 3A
= 3A
(5V/Div)
(2A/Div)
(5V/Div)
(2V/Div)
(2A/Div)
(2V/Div)
V
V
V
V
OUT
OUT
I
I
EN
L
L
IN
Power On from VIN
Power On from EN
V
Time (5ms/Div)
Time (5ms/Div)
V
IN
IN
= 12V, V
= 12V, V
DS8253B-02 March 2011
OUT
OUT
= 3.3V, I
= 3.3V, I
OUT
OUT
= 3A
= 3A