XRP7714_1009 Datasheet, PDF (10/29 Pages) Exar Corporation – Quad Channel Digital PWM Step Down Controller

XRP7714
Quad Channel Digital PWM Step Down Controller
Fig. 16: Sequential Soft-stop
VOUT Shutdown=0.8V, 3A load
CH1:3.3V, CH2:5V, CH3:1V, CH4:1.8V
1.818
1.814
1.81
1.806
1.802
1.798
1.794
1.79
1.786
1.782
-40
-15
10
35
60
Ambient, Degrees C
No Load
"Full Load"
85
Fig. 18: Temperature Regulation
1.8V out (±1% Vout window)
Fig. 17: Load Transient Response
CH1: Iout (1A/div) CH2:Vout(3.3V)
1.01
1.006
1.002
0.998
0.994
No Load
Full Load
0.99
-40
-15
10
35
60
85
Ambient, Degrees C
Fig. 19: Temperature Regulation
1.0V out (±1% Vo window)
Fig. 20: Temperature and Voltage Regulation
1.8V out (±1% Vout window)
© 2010 Exar Corporation
10/29
Rev. 1.1.4