AME5287 Datasheet, PDF (15/20 Pages) Analog Microelectronics – Rectified Step-Down Converter

AME
AME5287
3A, 300KHz ~ 2MHz Synchronous
Rectified Step-Down Converter
n Characterization Curve (Contd.)
Steady State Test
Steady State Test
VIN= 5V
VOUT= 1. 1V
IOUT= 3A
V_IN= 5V
VOUT= 3. 3V
IOUT= 3A
1
1
2
400nS / DIV
1) V_OUT= 10mV/div
2) V_SW= 2V/div
2
400nS / DIV
1) V_OUT= 10mV/div
2) V_SW= 2V/div
V_FB vs. Temperature
0 .82
0 .81
0 .80
0 .79
0 .78
V_IN = 5V
0 .77
-40 -25 -10 +5 +20 +35 +50 +65 +80 +95 +110 +125
Temperature (°C)
Frequency vs. Temperature
450
400
350
300
250
V_IN = 5V
200
150
-40 -25 -10 +5 +20 +35 +50 +65 +80 +95 +110 +125
Temperature( °C)
Rev. A.01
15