RT7275/76
Current Limit Thresholds vs. Input Voltage
5.5
Maximum Output Current vs. Temperature
5.5
5.0
Maximum Output Current (A)1
Current Limit Thresholds (A)
Upper Threshold
5.1
4.5
4.7
V
IN
= 17V
V
IN
= 12V
4.3
4.0
Lower Threshold
3.5
3.9
V
IN
= 5V
V
OUT
= 0V
V
OUT
= 0V
3.0
5
7
9
11
13
15
17
3.5
-50
-25
0
25
50
75
100
125
Input Voltage (V)
Temperature (°C)
PVCC Output Voltage vs. Input Voltage
5.20
5.20
PVCC Output Voltage vs. Output Current
PVCC Output Voltage (V)
5.15
No Load
5mA Load
PVCC Output Voltage (V)
5.15
5.10
5.10
5.05
5.05
V
IN
= 12V, I
OUT
= 5mA
5.00
5
7
9
11
13
15
17
5.00
0
20
40
60
V
IN
= 12V
80
100
Input Voltage (V)
PVCC Output Current (mA)
Load Transient Response
RT7275
Load Transient Response
RT7275/RT7276
V
OUT
(20mV/Div)
V
OUT
(20mV/Div)
I
OUT
(2A/Div)
V
OUT
= 12V, V
OUT
= 1.05V, I
OUT
= 0 to 3A
I
OUT
(2A/Div)
V
OUT
= 12V, V
OUT
= 1.05V, I
OUT
= 1A to 3A
Time (100μs/Div)
Time (100μs/Div)
Copyright
©
2013 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS7275/76-00
January 2013
www.richtek.com
7
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
