rt8059 Richtek Technology Corporation, rt8059 Datasheet - Page 6

• Manufacturer Part Number: rt8059
• Description: 1.5mhz, 1a, High Efficiency Pwm Step-down Dc/dc Converter
• Manufacturer: Richtek Technology Corporation

(500mV/Div)
(500mA/Div)
RT8059
www.richtek.com
6
(50mV/Div)
(5mV/Div)
V
I
V
(2V/Div)
(1A/Div)
(2V/Div)
(1A/Div)
OUT
V
OUT
OUT
OUT
I
I
V
V
OUT
OUT
EN
LX
V
I
V
I
V
V
I
OUT
OUT
OUT
IN
IN
IN
OUT
= 3.3V, V
= 3.3V, V
= 3.3V,
= 0.1A to 1A
= 1A
= 1A
= 1.2V,
Load Transient Response
Power On from EN
OUT
OUT
Time (100μs/Div)
Time (250ns/Div)
Time (500μs/Div)
= 1.2V,
= 1.2V,
Switching
(500mV/Div)
(500mA/Div)
(50mV/Div)
(5mV/Div)
V
I
V
(2V/Div)
(1A/Div)
OUT
(2V/Div)
(1A/Div)
OUT
V
OUT
I
V
OUT
I
OUT
V
OUT
EN
LX
V
I
V
I
OUT
OUT
IN
IN
= 3.3V, V
= 3.3V, V
= 0.5A
= 0.5A to 1A
Load Transient Response
Power Off from EN
OUT
OUT
Time (100μs/Div)
Time (500μs/Div)
Time (250ns/Div)
= 1.2V,
= 1.2V,
Switching
DS8059-03 April 2011
V
V
I
OUT
IN
OUT
= 3.3V,
= 1A
= 1.2V,