bq50120qta20pysbq55090qta27pyc SynQor Worldwide Headquarters, bq50120qta20pysbq55090qta27pyc Datasheet - Page 7

• Manufacturer Part Number: bq50120qta20pysbq55090qta27pyc
• Description: Quarter-brick Dc Busconverter
• Manufacturer: SynQor Worldwide Headquarters

Product # BQ50120QTA20
T
T
echnical S
echnical S
Figure 13: Input Terminal Ripple Current, i c , at full rated output cur-
rent and nominal input voltage with 10
electrolytic capacitor (100 mA/div). See Figure 12.
Figure 15: Output voltage ripple at nominal input voltage and rated
load current (20 mV/div). Load capacitance: 1
and 15
Figure 17: Load current (20A/div) as a function of time when the con-
verter attempts to turn on into a 1 mΩ short circuit. Top trace
(200µs/div) is an expansion of the on-time portion of the bottom trace.
µ
F tantalum capacitor. Bandwidth: 20 MHz. See Figure 12.
pecification
pecification
Phone [phone]
µ
H source impedance and 47
µ
F ceramic capacitor
www.synqor.com
µ
F
Figure 14: Input reflected ripple current, i s , through a 10
inductor at nominal input voltage and rated load current (5 mA/div).
See Figure 12.
Figure 16: Output voltage vs. load current showing typical current limit
curves and converter shutdown points.
14
13
12
11
10
9
8
0
Doc.# 005-2BQ512J Rev. E
43V
48V
53V
5
P
P
Current:
Current:
ackage:
ackage:
Output:
Output:
10
Load Current
Input:
Input:
(A)
15
03/17/06
42-53 V
12 V
20 A
Quarter-brick
42-53 V
12 V
20 A
Quarter-brick
20
µ
H source
Page 7
25