Lineage Power

3

Data Sheet

April 2008

dc-dc Converters; 36 to 75 Vdc Input, 5 Vdc Output; 250 W to 300

FW250A1 and FW300A1 Power Modules:

Table 2. Output Specifications

Parameter

Symbol

Min

Typ

Max

Unit

Output Voltage Set Point

4.92

5.0

5.08

Vdc

Output Voltage

(Over all operating input voltage, resistive load,

and temperature conditions until end of life; see

Figure 16 and Feature Descriptions.)

4.85

—

5.15

Vdc

Output Regulation:

—

—

—

—

—

—

0.01

0.05

15

0.1

0.2

50

mV

Output Ripple and Noise Voltage

(See Figures 7, 8, and 15.):

RMS

Peak-to-peak (5 Hz to 20 MHz)

—

—

—

—

—

—

40

150

mVrms

mVp-p

External Load Capacitance

—

0

—

*

µF

exceed output ripple specifications.):

FW250A1

FW300A1

0.5

0.5

—

—

50

60

A

A

Output Current-limit Inception

103

—

Output Short-circuit Current

see Figures 3 and 4.)

—

—

—

150

see Figures 5, 6, and 16.):

FW250A1

FW300A1

η

η

—

—

84

84

—

—

%

%

Switching Frequency

All

—

500

—

kHz

Dynamic Response

with a 10 µF aluminum and a 1.0 µF ceramic

capacitor across the load; see Figures 9—12.):

Peak Deviation

Peak Deviation

—

—

—

—

—

—

—

—

150

200

150

200

—

—

—

—

mV

µs

mV

µs

* Consult your sales representative or the factory.

† These are manufacturing test limits. In some situations, results may differ.