Lineage Power

7

Data Sheet

March 27, 2008

36-75 Vdc Input; 3.3 Vdc and 5 Vdc Outputs; 30 W

JBW030-Series Power Module: dc-dc Converters

1-0882

Figure 9. JBW030A Typical Output Voltage for a

Step Load Change from 50% to 25%

8-733a

Figure 10. Typical Output Voltage Start-Up when

Signal Applied to Remote On/Off

Test Configurations

8-489(C)

Note: Input reflected-ripple current is measured with a simulated

battery impedance. Current is measured at the input of the

module.

Figure 11. Input Reflected-Ripple Test Setup

8-513(C)

Note: Use a 0.1 µF ceramic capacitor. Scope measurement should

be made using a BNC socket. Position the load between

50 mm and 75 mm (2 in. and 3 in.) from the module.

Figure 12. Peak-to-Peak Output Noise

Measurement Test Setup

8-749(C).a

Note: All measurements are taken at the module terminals. When

socketing, place Kelvin connections at module terminals to

avoid measurement errors due to socket contact resistance.

Figure 13. Output Voltage and Efficiency

Measurement Test Setup

TIME, t (0.2 ms/div)

TIME, t (10 ms/div)

100

80

40

TO OSCILLOSCOPE

IMPEDANCE < 0.1

@ 20 ˚C, 100 kHz

BATTERY

12 µH

Ω

CURRENT

PROBE

RESISTIVE

LOAD

SCOPE

COPPER STRIP

0.1 µF

SUPPLY

CONTACT

RESISTANCE

CONTACT AND

DISTRIBUTION LOSSES

LOAD

SENSE(+)

SENSE(–)

η

–

–

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