AXH010A0Y-SRZ Lineage Power, AXH010A0Y-SRZ Datasheet - Page 12

• Manufacturer Part Number: AXH010A0Y-SRZ
• Description: DC/DC Converters & Regulators 1.8Vout 10A SMT 3-5.5Vin
• Manufacturer: Lineage Power
• Type: Step Downr
• Series: AXH010r

Specifications of AXH010A0Y-SRZ

• Output Current: 10A
• Input Voltage: 3 to 5.5V
• Output Voltage: 1.8V
• Screening Level: Industrial
• Product Length (mm): 33mm
• Product Depth (mm): 13.46mm
• Mounting Style: Surface Mount
• Pin Count: 6
• Number Of Outputs: 1
• Package / Case: SMT
• Product: Non-Isolated / POL
• Output Power: 18 W
• Input Voltage Range: 3 V to 5.5 V
• Output Voltage (channel 1): 1.8 V
• Output Current (channel 1): 10 A
• Output Type: Non-Isolated
• Lead Free Status / RoHS Status: Compliant

Lineage Power
Thermal Considerations
The power module operates in a variety of thermal environ-
ments; however, sufficient cooling should be provided to
help ensure reliable operation of the unit. Heat is removed
by conduction, convection, and radiation to the surrounding
environment.
The thermal data presented is based on measurements
taken in a wind tunnel. The test setup shown in Figure 25
was used to collect data for Figures 26
and 27. Note that the airflow is parallel to the short axis of
the module as shown in Figure 24. The derating data applies
to airflow along either direction of the module’s short axis.
Figure 24. Temperature Measurement Location.
The temperature at either location should not exceed
110 °C. The output power of the module should not exceed
the rated power for the module (VO, set x IO, max).
Convection Requirements for Cooling
To predict the approximate cooling needed for the module,
refer to the Power Derating curves in Figures 26 and 27.
These derating curves are approximations of the ambient
temperatures and airflows required to keep the power mod-
ule temperature below its maximum rating. Once the module
is assembled in the actual system, the module’s temperature
should be checked as shown in Figure 24 to ensure it does
not exceed 110 °C.
Proper cooling can be verified by measuring the power mod-
ule’s temperature at Q1-pin 6 and Q2-pin 6 as shown in Fig-
ure 24.
Data Sheet
March 28, 2008
AIRFLOW
Pin 6
Q2
Austin Lynx
3.0 Vdc - 5.5 Vdc Input, 0.9 Vdc - 3.3 Vdc Output, 10 A
Q1
TM
Figure 25. Thermal Test Setup.
Figure 26. Typical Power Derating Vs Output Current
Figure 27. Typical Power Derating Vs Output Current
Wind Tunnel
12
10
8
7
6
5
4
3
2
0
1
8
6
4
2
0
20
SMT Non-Isolated dc-dc Power Modules:
20
PWBs
30
30
for 3.3 VIN.
for 5.0VIN.
NATURAL CONVECTION
AMBIENT TEMPERATURE, T
40
40
2.0 m/s (400 ft./min.)
1.0 m/s (200 ft./min.)
0.5 m/s (100 ft./min.)
Ambient Temperature T
NATURAL CONVECTION
50
50
2.0 m/s (400 ft./min.)
1.0 m/s (200 ft./min.)
0.5 m/s (100 ft./min.)
flow
Air
(0.33)
8.3
x
60
60
A
(3.0)
76.2
(˚C)
A
(1.0)
25.4
(˚C)
70
70
80
80
Probe Location
for measuring
airflow and
ambient
temperature
Power Module
90
90
12