SNVAA33
December 2021
LM61460
,
LM61460-Q1
,
LM61495
,
LM61495-Q1
Trademarks
1
USB Type-C Specifications
2
Popular AC Adapter Design
3
Dynamic Output Voltage Control Methods
3.1
Method 1: Feedback Resistor Switch Network
3.2
Method 2: Feedback Current Injection Network
4
Schematic
5
Lab Measurements
5.1
Bench Measurement (VOUT = 5 V)
5.2
Bench Measurement (VOUT = 9 V)
5.3
Bench Measurement (VOUT = 15 V)
5.4
Bench Measurement (VOUT = 20 V)
6
Summary
7
References
5.4
Bench Measurement (VOUT = 20 V)
Figure 5-10
Efficiency (V
IN
= 21 V ; V
OUT
= 20 V)
Figure 5-11
LM61460-Q1 IR Thermal (V
IN
= 21 V ; V
OUT
= 20 V)
Figure 5-12
LM61495-Q1 IR Thermal (V
IN
= 21 V ; V
OUT
= 20 V)