BQ4H480FTX64 Datasheet, PDF (8/14 Pages) –

Technical Figures
Input: 230-400 V
Output: 48 V
Current: 64 A
Package: Full-brick
55
50
45
40
Vin = 230V
Vin = 385V
35
Vin = 400V
30
25
20
0
10
20
30
40
50
60
70
80
Load Current (A)
Figure 7: Output voltage vs. load current for different input voltages showing
typical current limit curves.
55
50
45
40
Vin = 230V
Vin = 385V
35
Vin = 400V
30
25
20
0
5 10 15 20 25 30 35 40 45 50 55 60 65
Load Current (A)
Figure 8: Output voltage vs. load current, regulation curves for minimum,
nominal, and maximum input voltage at TCASE=25 °C.
Figure 9: Turn-on transient at half load (resistive load) (10 ms/div). Load cap: 1
µF ceramic capacitor no capacitor bank. Input voltage pre-applied. Ch 1: Vout
(10 V/div). Ch 2: ON/OFF input (5 V/div).
Figure 10: Turn-on transient at half load (resistive load) (10 ms/div). Load cap:
1 µF ceramic capacitor and 3 mF elctrolytic capacitor bank. Input voltage pre-
applied. Ch 1: Vout (10 V/div). Ch 2: ON/OFF input (5 V/div).
Figure 11: Output voltage response to step-change in load current (50%-75%-
50% of Iout(max); dI/dt = 0.1 A/µs). Load cap: 15 µF tantalum cap and 1 µF
ceramic cap. Ch 1: Vout (500 mV/div), Ch 2: Iout (50 A/div).
Figure 12: Output voltage response to step-change in load current (50%-75%-
50% of Iout(max): dI/dt = 1 A/µs). Load cap: 15 µF, 30 mΩ ESR tantalum cap
and 1 µF ceramic cap. Ch 1: Vout (500 mV/div), Ch 2: Iout (50 A/div).
Product # BQ4H480FTx64
Phone [phone]
www.synqor.com
Doc.#005-0006678 Rev. 5
07/18/16
Page 8