RT9721A RICHTEK [Richtek Technology Corporation], RT9721A Datasheet - Page 8

• Manufacturer Part Number: RT9721A
• Description: 80m?, 500mA High-Side Power Switches with Flag
• Manufacturer: RICHTEK [Richtek Technology Corporation]

(500mA/Div)
(500mA/Div)
RT9721A/B
www.richtek.com
8
(2V/Div)
(2V/Div)
I
(5V/Div)
(2V/Div)
(5V/Div)
(5V/Div)
I
OUT
IN
V
V
V
V
V
V
OUT
OUT
OUT
FLG
EN
IN
Power Off from V
Turn Off from EN
FLAG Response
Time (100μs/Div)
Time (2ms/Div)
Time (2ms/Div)
C
OUT
V
= 10μF, R
IN
= 5V, R
IN
R
LOAD
LOAD
LOAD
= 200Ω
= 10Ω
= 4Ω
(500mA/Div)
(500mA/Div)
I
(5V/Div)
(2V/Div)
(5V/Div)
(5V/Div)
(1A/Div)
(2V/Div)
I
OUT
IN
V
V
V
V
I
V
OUT
OUT
OUT
FLG
OUT
EN
Thermal Shutdown Response
Current Limit Response
Turn On from EN
Time (400ms/Div)
Time (100μs/Div)
Time (100μs/Div)
V
IN
= 5V, C
DS9721A/B-02 April 2011
C
OUT
OUT
V
= 10μF, R
= 10μF, R
IN
= 5V, R
LOAD
LOAD
LOAD
= 10Ω
= 4Ω
= 0Ω