4

Tyco Electronics Corp.

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:

General Specifications

Feature Specifications

Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature

conditions. See Feature Descriptions and Design Considerations sections for further information.

Table 4. Feature Specifications

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

Parameter

Min

Typ

Max

Unit

2,700,000

hours

Weight

——

100 (3.5)

g (oz.)

Parameter

Symbol

Min

Typ

Max

Unit

Remote On/Off Signal Interface

signal referenced to VI(–) terminal; see Figure 11 and

Feature Descriptions.):

JFCxxxC1 Preferred Logic:

Both Primary and Secondary Referenced Remote On/Off:

Logic Low—Module On

Logic High—Module Off

JFCxxxC Optional Logic (optional for primary referenced

remote on/off only):

Primary Referenced Remote On/Off:

Logic Low—Module Off

Logic High—Module On

Secondary Referenced Remote On/Off:

Logic Low—Module On

Logic High—Module Off

Logic Low:

Logic High (open collector):

Leakage Current

Turn-on Time

—

0

—

—

—

—

—

—

—

—

20

1.2

1.0

15

50

35

V

mA

V

µA

ms

Output Voltage Adjustment (See Feature Descriptions.):

Output Voltage Remote-sense Range

Output Voltage Set-point Adjustment (trim) Range

(Note: Ensure that the combination of remote-sense and trim

do not exceed 15.5 V on the output.)

—

—

—

50

—

—

0.5

103

V

Output Overvoltage Protection

—

16.7*

—

20.0*

V

Synchronization:

Clock Amplitude

Clock Pulse Width

Fan-out

Capture Frequency Range

—

—

—

—

4.00

0.4

—

425

—

—

—

—

5.00

—

1

575

V

µs

—

kHz

JFC050C

JFC075C

JFC100C

—

—

—

1.28

0.96

0.64

—

—

—

V/A

V/A

V/A

Overtemperature Protection (See Figure 18.)

—

105

—°C