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参数资料
| 型号： | AXH010A0M3-SRZ |
| 厂商： | LINEAGE POWER LLC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 15 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | ROHS COMPLIANT PACKAGE-6 |
| 文件页数： | 18/19页 |
| 文件大小： | 325K |
| 代理商： | AXH010A0M3-SRZ |
Lineage Power
8
Data Sheet
March 28, 2008
3.0 Vdc - 5.5 Vdc Input, 0.9 Vdc - 3.3 Vdc Output, 10 A
Austin LynxTM SMT Non-Isolated dc-dc Power Modules:
Test Configurations
Note: Measure input reflected ripple current with a simulated source
inductance (LTEST) of 1H. Capacitor CS offsets possible bat-
tery impedance. Measure current as shown above.
Figure 15. Input Reflected Ripple Current Test Setup.
Note: Scope measurements should be made using a BNC socket,
with a 10 F tantalum capacitor and a 1 F ceramic capcitor.
Position the load between 51 mm and 76 mm (2 in and 3 in)
from the module
Figure 16. Peak-to-Peak Output Ripple Measurement
Test Setup.
Note: All voltage measurements to be taken at the module termi-
nals, as shown above. If sockets are used then Kelvin con-
nections are required at the module terminals to avoid
measurement
errors due to socket contact resistance.
Figure 17. Output Voltage and Efficiency Test Setup.
Design Considerations
Input Source Impedance
To maintain low-noise and ripple at the input voltage, it is
critical to use low ESR capacitors at the input to the module.
18 shows the input ripple voltage (mVp-p) for various output
models using a 150 F low ESR polymer capacitor (Pana-
sonic p/n: EEFUE0J151R, Sanyo p/n: 6TPE150M) in parallel
with 47 F ceramic capacitor (Panasonic p/n: ECJ-
5YB0J476M,
Taiyo Yuden p/n: CEJMK432BJ476MMT). 19 depicts much
lower input voltage ripple when input capacitance is
increased to 450 F (3 x 150 F) polymer capacitors in par-
allel with 94 F (2 x 47 F) ceramic capacitor.
The input capacitance should be able to handle an AC ripple
current of at least:
Figure 18. Input Voltage Ripple for Various
Output Models, IO = 10 A
(CIN = 150 F polymer // 47 F ceramic).
Figure 19. Input Voltage Ripple for Various
Output Models, IO = 10 A (CIN = 3x150 F
polymer // 2x47 F ceramic).
BATTERY
L
1 H
CS 220
μF
ESR < 0.1
Ω
@ 20
°C, 100 kHz
VI (+)
VI (–)
2 x 100F
Tantalum
VO
GND
RESISTIVE
LOAD
SCOPE
10 F
COPPER STRIP
TANTALUM
1F
CERAMIC
VI
VO
II
IO
SUPPLY
CONTACT RESISTANCE
CONTACT AND
DISTRIBUTION LOSSES
LOAD
GND
η
V
O(+)
V
O(-)
–
[] I
O
×
V
I(+)
V
I(-)
–
[] I
I
×
------------------------------------------------
100
×
=
I
rms
I
out
V
out
V
in
----------- 1
V
out
V
in
-----------
–
=
A
rms
0
50
100
150
200
0.5
1
1.5
2
2.5
3
VI = 5 V
VI = 3.3 V
OUTPUT VOLTAGE, VO (Vdc)
INPUT
VOLTAGE
NOISE
(mV
p-p)
0
25
50
75
100
0.5
1
1.5
2
2.5
3
VI = 5 V
VI = 3.3 V
OUTPUT VOLTAGE, VO (Vdc)
INPUT
VOLTAGE
NOISE
(mV
p-p)
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