Tyco Electronics Corp.

3

Data Sheet

October 1999

dc-dc Converters; 18 to 36 Vdc Input, 15 Vdc Output; 50 W to 100 W

JFC050C, JFC075C, JFC100C Power Modules:

Table 2. Output Specifications

* Consult your sales representative or the factory.

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

Table 3. Isolation Specifications

Parameter

Device

Symbol

Min

Typ

Max

Unit

Output Voltage Set Point

All

14.77

15.0

15.23

Vdc

Output Voltage

(Over all static operating input voltage, resistive

load, and temperature conditions until end of

life; see Figure 10.)

All

14.55

—

15.45

Vdc

Output Regulation:

All

All

All

—

—

—

—

—

—

0.01

0.05

50

0.1

0.2

150

mV

Output Ripple and Noise Voltage

(See Figure 9.):

RMS

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

All

All

—

—

—

—

—

—

60

250

mVrms

mVp-p

External Load Capacitance

All

—

0

—

*µF

Output Current

ripple specifications.)

JFC050C

JFC075C

JFC100C

0.5

0.5

0.5

—

—

—

3.3

5.0

6.7

A

A

A

Output Current-limit Inception

JFC050C

JFC075C

JFC100C

—

—

—

3.8

5.8

7.7

A

A

A

All

——

170

—

Efficiency

Figure 10.)

JFC050C

JFC075C

JFC100C

η

η

η

—

—

—

84

85

85

—

—

—

%

%

%

Switching Frequency

All

——

500

—

kHz

Dynamic Response

with a 10 µF aluminum and a 1.0 µF ceramic

capacitor across the load; see Figures 5 and 6):

Peak Deviation

Peak Deviation

All

All

All

All

—

—

—

—

—

—

—

—

3

300

3

300

—

—

—

—

µs

µs

Parameter

Min

Typ

Max

Unit

Isolation Capacitance

—

2500

—

pF

Isolation Resistance

10

——

M¾