Data Sheet
July 24, 2009
12V TLynx
TM
Non-isolated DC-DC Power Modules:
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
On/Off Signal Interface
(V
IN
=V
IN, min
to V
IN, 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
Input High Voltage
Logic Low (Module OFF)
Input Low Current
Input Low Voltage
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
Input High Voltage
Logic Low (Module ON)
Input low Current
Input Low Voltage
Turn-On Delay and Rise Times
(V
IN
=V
IN, nom
, I
O
=I
O, max ,
V
O
to within ±1% of steady state)
Case 1: On/Off input is enabled and then input power is
applied (delay from instant at which V
IN
= V
IN, min
until V
o
=
10% of V
o, set
)
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 V
o
= 10% of V
o, set
)
Output voltage Rise time (time for V
o
to rise from
10% of Vo, set to 90% of Vo, set)
Output voltage overshoot (T
A
= 25 C
V
IN
= V
IN, min
to V
IN, max
,I
O
= I
O, min
to I
O, max
)
With or without maximum external capacitance
Over Temperature Protection
(See Thermal Considerations section)
Sequencing Delay time
Delay from V
IN, min
to application of voltage on SEQ pin
Tracking Accuracy
(Power-Up: 2V/ms)
(Power-Down: 2V/ms)
(V
IN, min
to V
IN, max
; I
O, min
to I
O, max
V
SEQ
< V
o
)
Input Undervoltage Lockout
Turn-on Threshold
Turn-off Threshold
Hysteresis
All
All
All
4.45
4.2
0.25
Vdc
Vdc
Vdc
All
All
All
Ts
EQ-delay
V
SEQ
–V
o
V
SEQ
–V
o
10
150
100
msec
mV
mV
All
T
ref
135
°C
o
Device
Symbol
Min
Typ
Max
Units
All
All
All
All
I
IH
V
IH
I
IL
V
IL
V
IN
– 1
⎯
⎯
⎯
⎯
⎯
⎯
25
V
IN,max
3
3.5
µA
V
mA
V
All
All
All
All
I
IH
V
IH
I
IL
V
IL
―
2.0
―
0
―
―
―
―
1
V
IN, max
10
1
mA
Vdc
μA
Vdc
All
Tdelay
―
2
―
msec
All
Tdelay
―
2
―
msec
All
Trise
―
5
―
3.0
msec
% V
O, set
LINEAGE
POWER
5
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
