RT8008 RICHTEK [Richtek Technology Corporation], RT8008 Datasheet - Page 7

• Manufacturer Part Number: RT8008
• Description: 1.5MHz, 600mA, High Efficiency PWM Step-Down DC/DC Converter
• Manufacturer: RICHTEK [Richtek Technology Corporation]

(500mA/Div)
(500mA/Div)
(20mV/Div)
DS8008-04 March 2007
(5mV/Div)
I
V
(5V/Div)
OUT
I
V
LX
OUT
OUT
V
0.6010
0.6005
0.6000
0.5995
0.5990
LX
2.5
V
V
IN
IN
Reference Voltage vs. Input Voltage
= 3.3V, V
= 3.3V, V
Load Transient Response
3
OUT
OUT
3.5
Output Ripple
Time (500ns/Div)
Input Voltage (V)
Time (50 s/Div)
= 1.2V, I
= 1.2V, I
OUT
4
OUT
= 200mA to 600mA
= 600mA
4.5
V
OUT
5
= 1.2V
5.5
(500mA/Div)
(200mA/Div)
(500mV/Div)
(20mV/Div)
V
I
V
(2V/Div)
OUT
I
OUT
I N
OUT
V
EN
1.25
1.23
1.21
1.19
1.17
1.15
-50
V
V
IN
IN
= 3.3V, V
Output Voltage vs. Temperature
= 3.3V, V
-25
Load Transient Response
OUT
OUT
0
Temperature
Time (100 s/Div)
= 1.2V, I
Time (50 s/Div)
= 1.2V, I
Power On
25
OUT
OUT
50
= 300mA to 600mA
= 600mA
V
( C)
IN
RT8008
www.richtek.com
= 3.3V, I
75
OUT
100
= 0A
125
7