CC109155314 Lineage Power, CC109155314 Datasheet - Page 8

• Manufacturer Part Number: CC109155314
• Description: Module DC-DC 1-OUT 0.7V to 2V 50A 14-Pin SMT T/R
• Manufacturer: Lineage Power
• Type: Step Downr

Specifications of CC109155314

• Package: 14SMT
• Output Current: 50 A
• Output Voltage: 0.7 to 2 V
• Input Voltage: 4.5 to 14 V
• Number Of Outputs: 1
• Switching Regulator: Yes
• Lead Free Status / Rohs Status: Supplier Unconfirmed

Data Sheet
March 30, 2011
Test Configurations
Figure 19. Input Reflected Ripple Current Test Setup.
Figure 20. Output Ripple and Noise Test Setup.
Figure 21. Output Voltage and Efficiency Test Setup.
LINEAGE
NOTE: All voltage measurements to be taken at the module
TO OSCILLOSCOPE
NOTE: Measure input reflected ripple current with a simulated
COM
Efficiency
Vo+
R
R
terminals, as shown above. If sockets are used then
Kelvin connections are required at the module terminals
to avoid measurement errors due to socket contact
resistance.
NOTE: All voltage measurements to be taken at the module
distribution
distribution
POWER
source inductance (L
possible battery impedance. Measure current as shown
above.
terminals, as shown above. If sockets are used then
Kelvin connections are required at the module terminals
to avoid measurement errors due to socket contact
resistance.
R
R
contact
contact
η =
@ 20°C 100kHz
COPPER STRIP
E.S.R.<0.1Ω
0.1uF
C
Electrolytic
S
1000μF
L
1μH
TEST
V
IN
V
V
V
COM
TEST
IN
IN
O
GROUND PLANE
(+)
. I
. I
) of 1μH. Capacitor C
O
IN
10uF
COM
V
O
Tantalum
2x100μF
V
C
x
O
IN
100 %
CURRENT PROBE
SCOPE USING
BNC SOCKET
R
R
contact
contact
S
offsets
V
COM
IN
(+)
R
R
RESISTIVE
LOAD
distribution
distribution
R
LOAD
GigaTLynx
4.5 – 14Vdc input; 0.7Vdc to 2.0Vdc, 50A Output
Design Considerations
Input Filtering
The Giga TLynx
low ac-impedance source. A highly inductive source
can affect the stability of the module. An input
capacitance must be placed directly adjacent to the
input pin of the module, to minimize input ripple voltage
and ensure module stability.
To minimize input voltage ripple, ceramic capacitors
are recommended at the input of the module. Figure 22
shows the input ripple voltage for various output
voltages at maximum load current with 2x22 µF or
4x22 µF or 4x47 µF ceramic capacitors and an input of
12V.
Figure 22. Input ripple voltage for various output
voltages with 2x22 µF, 4x22 µF or 4x47 µF ceramic
capacitors at the input (maximum load). Input voltage
is 12V
Output Filtering
The Giga TLynx
ripple voltage and will meet the maximum output ripple
specification with 0.1 µF ceramic and 10 µF ceramic
capacitors at the output of the module. However,
additional output filtering may be required by the system
designer for a number of reasons. First, there may be a
need to further reduce the output ripple and noise of the
module. Second, the dynamic response characteristics
may need to be customized to a particular load step
change.
To reduce the output ripple and improve the dynamic
response to a step load change, additional capacitance at
the output can be used. Low ESR polymer and ceramic
capacitors are recommended to improve the dynamic
response of the module. Figure 23 provides output ripple
information for different external capacitance values at
various Vo and for full load currents. For stable operation
of the module, limit the capacitance to less than the
maximum output capacitance as specified in the electrical
specification table. Optimal performance of the module
can be
later in this data sheet.
250
225
200
175
150
125
100
achieved by using the Tunable Loop feature described
75
50
TM
1
SMT Non-isolated Power Modules:
TM
TM
module should be connected to a
modules are designed for low output
2x22uF
4x22uF
4x47uF
Output Voltage (Vdc)
1.25
1.5
1.75
8
2