JC050A1 Datasheet, PDF (8/16 Pages) Lineage Power Corporation – Small size: 61.0 mm x 57.9 mm x 12.7 mm (2.40 in. x 2.28 in. x 0.50 in.)

JC050A, JC075A, JC100A Power Modules: dc-dc Converters;
18 Vdc to 36 Vdc Input, 5 Vdc Output; 50 W to 100 W
Data Sheet
March 2008
Characteristic Curves (continued)
VO(+)
VO(–)
COPPER STRIP
1.0 µF
10 µF SCOPE
RESISTIVE
LOAD
8-513 (C).d
Note: Use a 1.0 µF ceramic capacitor and a 10 µF aluminum or tan-
talum capacitor. Scope measurement should be made using a
BNC socket. Position the load between 51 mm and 76 mm
(2 in. and 3 in.) from the module.
Figure 15. Peak-to-Peak Output Noise
Measurement Test Setup
TIME, t (5 ms/div)
8-1603 (C)
Figure 13.Typical Start-Up from Remote On/Off
JC100A1; IO = Full Load
Test Configurations
TO OSCILLOSCOPE
LTEST
12 µH
CURRENT
PROBE
BATTERY
CS 220 µF
ESR < 0.1 Ω
@ 20 ˚C, 100 kHz
33 µF
ESR < 0.7 Ω
@ 100 kHz
VI(+)
VI(–)
8-203 (C).l
Note: Measure input reflected-ripple current with a simulated source
inductance (LTEST) of 12 µH. Capacitor CS offsets possible bat-
tery impedance. Measure current as shown above.
Figure 14. Input Reflected-Ripple Test Setup
II
SUPPLY
SENSE(+)
VI (+)
VO(+)
CONTACT AND
DISTRIBUTION LOSSES
IO
LOAD
CONTACT
RESISTANCE
VI (–)
VO(–)
SENSE(–)
8-749 (C)
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.
η
=
⎛
⎝
[_--V[_---V--o_--i-((_--++_---)_-)---––_----V_-V----oi_--(-(_----_-)-)_-]-]_-I-I_-i-o_{-⎠⎞}
× 100
Figure 16. Output Voltage and Efficiency
Measurement Test Setup
8
Lineage Power