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RT9728BHGE

P1-P3P4-P6P7-P9P10-P12P13-P14
RT9728B
7
DS9728B-00 August 2013 www.richtek.com
©
Copyright 2013 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation.
Typical Operating Characteristics
Supply Current vs. Temperature
80
90
100
110
120
130
140
150
-50 -25 0 25 50 75 100 125
Temperature (°C)
Supply Current (μA
)
Fault Deglitch Timing vs. Temperature
5
6
7
8
9
10
-50 -25 0 25 50 75 100 125
Temperature (°C)
Fault Deglitch Timing (ms
)
Under Voltage Lockout vs. Temperature
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
2.8
3.0
-50 -25 0 25 50 75 100 125
Temperature (°C)
Under Voltage Lockout (V
)
Rising
Falling
EN/EN Threshold Voltage vs. Temperature
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
-50 -25 0 25 50 75 100 125
Temperature (°C)
EN/EN Threshold Voltage (V) 1
Rising
Falling
On- Resistance vs. Temperature
60
70
80
90
100
110
120
130
140
150
-50-25 0 255075100125
Temperature (°C)
On-Resistance (m )
Ω
V
IN
= 3.6V
V
IN
= 5V
Current Limit vs. Temperature
1.1
1.2
1.3
1.4
1.5
1.6
-50 -25 0 25 50 75 100 125
Temperature (°C)
Current Limit (A)
R
ILIM
= 20kΩ
RT9728B
8
DS9728B-00 August 2013www.richtek.com
©
Copyright 2013 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation.
Current Limit
Time (2.5ms/Div)
Short Circuit to Full Load (5Ω)
V
OUT
(2V/Div)
Fault
(5V/Div)
I
IN
(1A/Div)
V
IN
= 5V, C
OUT
= 150μF,
R
ILIM
= 20kΩ
V
OUT
(2V/Div)
Fault
(5V/Div)
I
IN
(1A/Div)
Current Limit
Time (2.5ms/Div)
V
IN
= 5V, C
OUT
= 150μF,
R
ILIM
= 20kΩ
Full Load (5Ω) to Short Circuit
Power On from EN
Time (500μs/Div)
V
OUT
(5V/Div)
V
EN
(10V/Div)
I
IN
(1A/Div)
RT9728BH, V
IN
= 5V, C
OUT
= 150μF,
R
ILIM
= 20kΩ, R
OUT
= 5Ω
Power Off from EN
Time (500μs/Div)
V
OUT
(5V/Div)
V
EN
(10V/Div)
I
IN
(1A/Div)
RT9728BH, V
IN
= 5V, C
OUT
= 150μF,
R
ILIM
= 20kΩ, R
OUT
= 5Ω
Power Off from EN
Time (500μs/Div)
V
OUT
(5V/Div)
V
EN
(10V/Div)
I
IN
(1A/Div)
RT9728BL, V
IN
= 5V, C
OUT
= 150μF,
R
ILIM
= 20kΩ, R
OUT
= 5Ω
Power On from EN
Time (500μs/Div)
V
OUT
(5V/Div)
V
EN
(10V/Div)
I
IN
(1A/Div)
RT9728BL, V
IN
= 5V, C
OUT
= 150μF,
R
ILIM
= 20kΩ, R
OUT
= 5Ω
RT9728B
9
DS9728B-00 August 2013 www.richtek.com
©
Copyright 2013 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation.
Static Drain-Source Current vs. V
IN
- V
OUT
0
20
40
60
80
100
120
140
160
0 200 400 600 800 1000
V
IN
- V
OUT
(mV)
Static Drain-Source Current (mA) 1
V
IN
= 5.5V, R
ILIM
= 200kΩ
Static Drain-Source Current vs. V
IN
- V
OUT
0
200
400
600
800
1000
1200
1400
1600
0 200 400 600 800 1000
V
IN
- V
OUT
(mV)
Static Drain-Source Current (mA)1
V
IN
= 5.5V, R
ILIM
= 20kΩ
Current Limit
Short Circuit to No Load
V
OUT
(2V/Div)
Fault
(5V/Div)
I
IN
(1A/Div)
V
IN
= 5V, C
OUT
= 150μF,
R
ILIM
= 20kΩ
Time (2.5ms/Div)
Current Limit
Time (2.5ms/Div)
No Load to Short Circuit
V
OUT
(2V/Div)
Fault
(5V/Div)
I
IN
(1A/Div)
V
IN
= 5V, C
OUT
= 150μF,
R
ILIM
= 20kΩ
P1-P3P4-P6P7-P9P10-P12P13-P14

RT9728BHGE

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Manufacturer:
Description:
120MO, 1.3A POWER SW W/PROG ILIM
Lifecycle:
New from this manufacturer.
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