APTS003A0X-SRZ Lineage Power, APTS003A0X-SRZ Datasheet - Page 16

• Manufacturer Part Number: APTS003A0X-SRZ
• Description: CONVERTER DC-DC 0.59 5.5V @ 3A
• Manufacturer: Lineage Power
• Series: Pico TLynx™r
• Type: Point of Load (POL) Non-Isolated with Remote On/Offr

Specifications of APTS003A0X-SRZ

• Output: 0.59 ~ 5.5V
• Number Of Outputs: 1
• Power (watts): 16W
• Mounting Type: Surface Mount
• Voltage - Input: 4.5 ~ 14V
• Package / Case: 10-SMD Module
• 1st Output: 0.59 ~ 5.5VDC @ 3A
• Size / Dimension: 0.48" L x 0.48" W x 0.25" H (12.2mm x 12.2mm x 6.3mm)
• Power (watts) - Rated: 16.5W
• Operating Temperature: -40°C ~ 85°C
• Efficiency: 92%
• Approvals: CSA, EN, UL, VDE
• Output Power: 17 W
• Input Voltage Range: 4.5 V to 14 V
• Output Voltage (channel 1): 0.59 V to 5.5 V
• Output Current (channel 1): 3 A
• Package / Case Size: SMD
• Output Type: Non-Isolated
• Output Voltage: 0.59 V to 5.5 V
• Product: Non-Isolated / POL
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• 3rd Output: -
• 2nd Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 555-1124-2

Data Sheet
November 22, 2010
Figure 47. Circuit showing connection of the
sequencing signal to the SEQ pin.
After the 10msec delay, an analog voltage is applied
to the SEQ pin and the output voltage of the module
will track this voltage on a one-to-one volt bases until
the output reaches the set-point voltage. To initiate
simultaneous shutdown of the modules, the SEQ pin
voltage is lowered in a controlled manner. The
output voltage of the modules tracks the voltages
below their set-point voltages on a one-to-one basis.
A valid input voltage must be maintained until the
tracking and output voltages reach ground potential.
When using the EZ-SEQUENCE
start-up of the module, pre-bias immunity during
start-up is disabled. The pre-bias immunity feature of
the module relies on the module being in the diode-
mode during start-up. When using the EZ-
SEQUENCE
internal set-up time of 10msec, and will be in
synchronous rectification mode when the voltage at
the SEQ pin is applied. This will result in the module
sinking current if a pre-bias voltage is present at the
output of the module. When pre-bias immunity
during start-up is required, the EZ-SEQUENCE
feature must be disabled. For additional guidelines
on using the EZ-SEQUENCE
to Application Note AN04-008 “Application Guidelines
for Non-Isolated Converters: Guidelines for
Sequencing of Multiple Modules”, or contact the
Lineage Power technical representative for additional
information.
Power Good
The 12V Pico TLynx
Good (PGOOD) signal that is implemented with an
open-drain output to indicate that the output voltage
is within the regulation limits of the power module.
The PGOOD signal will be de-asserted to a low state
if any condition such as overtemperature, overcurrent
or loss of regulation occurs that would result in the
output voltage going ±10% outside the setpoint value.
The PGOOD terminal should be connected through a
pullup resistor (suggested value 100KΩ) to a source
of 5VDC or less.
LINEAGE
VIN+
GND
R1
POWER
TM
SEQ
feature, modules goes through an
TM
499K
3A modules provide a Power
10K
TM
MODULE
feature please refer
TM
4.5 – 14Vdc input; 0.59Vdc to 5.5Vdc output; 3A output current
+
-
feature to control
12V Pico TLynx
OUT
TM
TM
Tunable Loop
The 12V Pico TLynx
feature that optimizes transient response of the
module called Tunable Loop
External capacitors are usually added to the output of
the module for two reasons: to reduce output ripple
and noise (see Figure 41) and to reduce output
voltage deviations from the steady-state value in the
presence of dynamic load current changes. Adding
external capacitance however affects the voltage
control loop of the module, typically causing the loop
to slow down with sluggish response. Larger values
of external capacitance could also cause the module
to become unstable.
The Tunable Loop
adjust the voltage control loop to match the filter
network connected to the output of the module. The
Tunable Loop
series R-C between the SENSE and TRIM pins of the
module, as shown in Fig. 48. This R-C allows the
user to externally adjust the voltage loop feedback
compensation of the module.
Figure. 48. Circuit diagram showing connection
of R
module.
Recommended values of R
different output capacitor combinations are given in
Tables 2 and 3. Table 2 shows the recommended
values of R
ceramic output capacitors up to 470uF that might be
needed for an application to meet output ripple and
noise requirements. Selecting R
according to Table 2 will ensure stable operation of
the module.
In applications with tight output voltage limits in the
presence of dynamic current loading, additional
output capacitance will be required. Table 3 lists
recommended values of R
meet 2% output voltage deviation limits for some
common output voltages in the presence of a 1.5A to
3A step change (50% of full load), with an input
voltage of 12V.
3A: Non-isolated DC-DC Power Modules
TUME
MODULE
and C
TUNE
GND
TM
TUNE
and C
TM
is implemented by connecting a
SENSE
VOUT
TM
TRIM
TM
to tune the control loop of the
allows the user to externally
TUNE
3A modules have a new
for different values of
TUNE
TUNE
TM
.
and C
and C
TUNE
RTUNE
CTUNE
RTrim
and C
TUNE
TUNE
C O
in order to
for
TUNE
16