Product # BQ60120HEA30

Phone 1-888-567-9596

www.synqor.com

Doc.# 005-2BH612M Rev. B

09/02/05

Page 8

Input:

Input:

Output:

Output:

Current:

Current:

ackage:

35-75 V

35-75 V

12 V

12 V

30 A

30 A

Half-brick

Half-brick

T

pecification

Figure 13: Output voltage response to step-change in load current (50%-

75%-50% of Iout(max); dI/dt = 0.1A/µs). Load cap: 47µF ceramic cap.

Top trace: Vout (500mV/div), Bottom trace: Iout (10A/div).

50% of Iout(max): dI/dt = 5A/µs). Load cap: 470µF, 15 m

and 47µF ceramic cap. Top trace: Vout (500mV/div), Bottom trace: Iout (10A/div).

Terminal Ripple Current (Figure 16), Input Reflected Ripple Current

(Figure 17) and Output Voltage Ripple (Figure 18).

inductor at nominal input voltage and rated load current (10 mA/div).

(See Figure 15)

Figure 18: Output voltage ripple at nominal input voltage and rated

Bandwidth: 500 MHz. (See Figure 15)

source

impedance

DC/DC

Converter

See Fig. 17

See Fig. 16

See Fig. 18

2x22 µF

local ceramic

capacitance

1 µF ceramic,

15 µF tantalum

100 µF,

ESR

≅0.2Ω

electrolytic

capacitor

i

S

i

C