Data Sheet
September 9, 2009
TLynx
TM
: Non-isolated DC-DC Power Modules:
2.4 – 5.5Vdc input; 0.6Vdc to 3.63Vdc output; 20A output current
General Specifications
Parameter
Calculated MTBF (I
O
=0.8I
O, max
, T
A
=40°C) Telcordia Issue 2 Method
1 Case 3
Weight
⎯
Min
Typ
7,868,128
6.03 (0.21)
⎯
Max
Unit
Hours
g (oz.)
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
)
APTH
APTH
APTH
Ts
EQ-delay
V
SEQ
–V
o
V
SEQ
–V
o
10
100
100
msec
mV
mV
All
T
ref
144
°C
o
Device
Symbol
Min
Typ
Max
Unit
All
All
All
All
I
IH
V
IH
I
IL
V
IL
⎯
V
IN
-0.8
⎯
-0.2
⎯
⎯
⎯
⎯
10
V
IN,max
0.3
0.3
µA
V
mA
V
All
All
All
All
I
IH
V
IH
I
IL
V
IL
―
V
IN
– 0.8
―
-0.2
―
―
―
―
2
V
IN, max
1
V
IN
– 1.6
mA
Vdc
mA
Vdc
All
All
Tdelay
Tdelay
―
―
2
2
―
―
msec
msec
All
Trise
―
5
―
3.0
msec
% V
O,
LINEAGE
POWER
4
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
