Data Sheet
12V TLynxTM Non-isolated DC-DC Power Modules:
July 24, 2009
4.5 – 14Vdc input; 0.69Vdc to 5.5Vdc output; 20A output current
Feature Specifications
Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature
conditions. See Feature Descriptions for additional information.
Parameter
Device
Symbol
Min
Typ
Max
Units
On/Off Signal Interface
(VIN=VIN, min to VIN, max ; open collector or equivalent,
Signal referenced to GND)
Device is with suffix “4” – Positive Logic (See Ordering
Information)
Logic High ( Module ON)
Input High Current
All
All
IIH
25
µA
V
⎯
⎯
Input High Voltage
VIH
VIN – 1
VIN,max
Logic Low (Module OFF)
Input Low Current
All
All
IIL
3
mA
V
⎯
⎯
⎯
⎯
Input Low Voltage
VIL
3.5
Device Code with no suffix – Negative Logic (See Ordering
Information)
(On/OFF pin is open collector/drain logic input with
external pull-up resistor; signal referenced to GND)
Logic High (Module OFF)
Input High Current
All
All
IIH
―
―
―
1
mA
Input High Voltage
VIH
2.0
VIN, max
Vdc
Logic Low (Module ON)
Input low Current
All
All
IIL
―
―
―
10
1
μA
Input Low Voltage
VIL
0
Vdc
Turn-On Delay and Rise Times
(VIN=VIN, nom, IO=IO, max , VO to within ±1% of steady state)
Case 1: On/Off input is enabled and then input power is
applied (delay from instant at which VIN = VIN, min until Vo =
10% of Vo, set)
All
All
All
Tdelay
Tdelay
Trise
―
―
―
2
2
5
―
―
msec
msec
Case 2: Input power is applied for at least one second and
then the On/Off input is enabled (delay from instant at
which Von/Off is enabled until Vo = 10% of Vo, set)
Output voltage Rise time (time for Vo to rise from
10% of Vo, set to 90% of Vo, set)
―
msec
Output voltage overshoot (TA = 25oC
3.0
% VO, set
VIN= VIN, min to VIN, max,IO = IO, min to IO, max
)
With or without maximum external capacitance
Over Temperature Protection
All
Tref
135
°C
(See Thermal Considerations section)
Sequencing Delay time
Delay from VIN, min to application of voltage on SEQ pin
All
All
All
TsEQ-delay
VSEQ –Vo
VSEQ –Vo
10
msec
mV
Tracking Accuracy
(Power-Up: 2V/ms)
150
100
(Power-Down: 2V/ms)
mV
(VIN, min to VIN, max; IO, min to IO, max VSEQ < Vo)
Input Undervoltage Lockout
Turn-on Threshold
All
All
All
4.45
4.2
Vdc
Vdc
Vdc
Turn-off Threshold
Hysteresis
0.25
LINEAGE POWER
5
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
