RT9728A RICHTEK [Richtek Technology Corporation], RT9728A Datasheet - Page 7

• Manufacturer Part Number: RT9728A
• Description: 120m?, 1.3A Power Switch with Programmable Current Limit
• Manufacturer: RICHTEK [Richtek Technology Corporation]

Copyright
DS9728A-03 July 2012
(10V/Div)
(10V/Div)
(5V/Div)
(2V/Div)
(1A/Div)
(1A/Div)
(5V/Div)
(1A/Div)
(5V/Div)
V
V
V
V
V
Fault
I
OUT
EN
I
EN
I
OUT
OUT
IN
IN
IN
©
2012 Richtek Technology Corporation. All rights reserved.
Power On from EN
Power On from EN
RT9728AH, V
R
RT9728AL, V
R
Time (500μs/Div)
Time (500μs/Div)
Time (2.5ms/Div)
Current Limit
ILIM
ILIM
= 20kΩ, R
= 20kΩ, R
Full Load (5Ω) to Short Circuit
V
R
IN
IN
ILIM
IN
OUT
OUT
= 5V, C
= 5V, C
= 5V, C
= 20kΩ
= 5Ω
= 5Ω
OUT
OUT
OUT
= 150μF,
= 150μF,
= 150μF,
(10V/Div)
(10V/Div)
(5V/Div)
(1A/Div)
(5V/Div)
(1A/Div)
(5V/Div)
(2V/Div)
(1A/Div)
V
V
V
Fault
V
is a registered trademark of Richtek Technology Corporation.
V
I
I
EN
OUT
EN
OUT
I
OUT
IN
IN
IN
Power Off from EN
Power Off from EN
RT9728AL, V
R
RT9728AH, V
R
Time (500μs/Div)
Time (500μs/Div)
Time (2.5ms/Div)
Current Limit
ILIM
ILIM
= 20kΩ, R
= 20kΩ, R
Short Circuit to Full Load (5Ω)
V
R
RT9728A
IN
IN
ILIM
IN
OUT
OUT
= 5V, C
= 5V, C
= 5V, C
= 20kΩ
www.richtek.com
= 5Ω
= 5Ω
OUT
OUT
OUT
= 150μF,
= 150μF,
= 150μF,
7