QBVW033A0B41-PZ 参数 Datasheet PDF下载

Data Sheet

September 23, 2011

QBVW033A0B Series Power Modules; DC-DC Converters

36-75V

dc

Input; 12V

dc

Output; 33A Output Current

Characteristic Curves, 12V

dc

Output

The following figures provide typical characteristics for the QBVW033A0B (12V, 33A) at 25ºC. The figures are identical for

either positive or negative Remote On/Off logic.

INPUT CURRENT, I

i

(A)

INPUT VOLTAGE, V

O

(V)

EFFCIENCY,

η

(%)

OUTPUT CURRENT, I

O

(A)

Figure 1. Typical Input Characteristic.

Figure 2. Typical Converter Efficiency vs. Output

Current.

OUTPUT CURRENT OUTPUT VOLTAGE

I

O

(A) (10A/div

)

V

O

(V) (200mV/div)

OUTPUT VOLTAGE,

V

O

(V) (50mV/div)

TIME, t (2s/div)

TIME, t (500

μs/div)

Figure 3. Typical Output Ripple and Noise, I

o

= I

o,max

.

Figure 4. Typical Transient Response to 0.1A/µs

Step Change in Load from 50% to 75% to 50% of

Full Load, Co=470µF and 48 Vdc Input.

On/Off VOLTAGE

V

ON/OFF

(V)(2V/div)

OUTPUT VOLTAGE INPUT VOLTAGE

V

IN

(V) (20V/div)

V

O

(V) (5V/div)

TIME, t (20 ms/div)

OUTPUT VOLTAGE

V

O

(V) (5V/div)

TIME, t (5 ms/div)

Figure 5. Typical Start-Up Using Vin with Remote

On/Off enabled, negative logic version shown.

Figure 6. Typical Start-Up Using Remote On/Off

with Vin applied, negative logic version shown.

LINEAGE

POWER

5