JAW075B Lineage Power, JAW075B Datasheet - Page 7

• Manufacturer Part Number: JAW075B
• Manufacturer: Lineage Power

April 2008
Characteristic Curves
Note: Tested without any load capacitance.
Figure 9. Typical JAW075B1 Transient Response
Note: Tested without any load capacitance.
Figure 10. JAW075B1 Typical Start-Up from
Lineage Power
3.1 A
0V
0V
to Step Decrease in Load from 50% to
25% of Full Load at Room Temperature
and
48 Vdc Input (Waveform Averaged to
Eliminate Ripple Component.)
Remote On/Off; I
TIME, t (20 ms/div)
TIME, t (50 μs/div)
O
(continued)
= I
O, max
36 Vdc to 75 Vdc Input, 12 Vdc Output; 50 W to 75 W
8-3224 (F)
8-3225 (F)
Test Configurations
Note: Measure input reflected-ripple current with a simulated source
Note: Use a 1.0 µF ceramic capacitor and a 10 µF aluminum or tan-
Figure 12. Peak-to-Peak Output Noise
Note: All measurements are taken at the module terminals. When
Figure 13. Output Voltage and Efficiency
BATTERY
Figure 11. Input Reflected-Ripple Test Setup
η
SUPPLY
inductance (L
tery impedance. Measure current as shown above.
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.
socketing, place Kelvin connections at module terminals to
avoid measurement errors due to socket contact resistance.
RESISTANCE
=
CONTACT
V
V
TO OSCILLOSCOPE
O
⎛
⎝
O
(+)
(–)
[
----------------------------------------------- -
V
[
Measurement Test Setup
Measurement Test Setup
V
I
O
I
I
(+) – V
(+) – V
TEST
COPPER STRIP
1.0 μF
C
ESR < 0.1 Ω
@ 20 °C, 100 kHz
) of 12 µH. Capacitor C
V
V
S
I
I
220 μF
(+)
(–)
O
I
(–)
(–)
12 μH
L
SENSE(+)
SENSE(–)
]I
TEST
]I
I
10 μF
O
V
V
⎞ x 100
⎠
O
O
(+)
(–)
ESR < 0.7 Ω
SCOPE
@ 100 kHz
DISTRIBUTION LOSSES
CURRENT
I
S
33 μF
O
PROBE
CONTACT AND
offsets possible bat-
RESISTIVE
LOAD
%
LOAD
8-513 (F).d
8-203 (F).l
V
V
8-749 (F)
I
I
(+)
(–)
7