DDR12 Datasheet, PDF (2/11 Pages) Artesyn Technologies – Tracking Dual Output DC-DC Converters

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DC-DC Converters
Stresses in excess of the maximum ratings can cause permanent damage to the device. Operation of the device is not implied at these or any
other conditions in excess of those given in the specification. Exposure to absolute maximum ratings can adversely affect device reliability.
Absolute Maximum Ratings
Characteristic
Symbol
Min
Input voltage - continuous
Vin (cont)
-0.3
Input voltage - nominal
Vin (nom)
Operating temperature
Top
0
Storage temperature
Output current
Tstorage
-40
Iddq (max)
Itt (max)
Typ
Max
13.2
12
80
125
25
8
Units
Vdc
Notes and Conditions
Vin(+) - Vin(-)
ºC
Refer to derating guidelines
and Note 1
ºC
A
A
All specifications are typical at V_in(nom), V_ddq = 2.5 V, V_tt = 1.25 V and full load. Tests were performed at 25 ˚C unless otherwise stated.
Input Characteristics
Characteristic
Symbol
Min
Input voltage - operating
Vin (oper)
10.8
Input current - min. load
Input current - Quiescent
lin
lin (off)
Typ
Max
12
13.2
400
20
Units
Vdc
mAdc
mAdc
Notes and Conditions
Vin (min) - Vin (max), enabled
Converter disabled
Turn On/Off
Characteristic
Symbol
Min
Typ
Max
Units
Notes and Conditions
Input voltage - turn on
Vin (on)
10
Input voltage - turn off
Vin (off)
9.7
Turn on delay - enabled,
Tdelay
then power applied
(power)
Turn on delay - power
applied, then enabled
Tdelay
(enable)
Output to POWER GOOD
delay
Tdelay
10.2
10.4
9.9
10.1
5
5
3
Vdc
Vdc
ms
With the enable signal asserted,
this is the time from when the
input voltage reaches the
minimum specified operating
voltage until the POWER GOOD
is asserted high
ms
Vin = Vin (nom), then enabled.
This is the time taken until the
POWER GOOD is asserted
high
ms
Output voltage in full regulation
to POWER GOOD asserted high
Rise time
Trise
2
ms
2
File Name: lf_ddr12.pdf Rev: 29 Nov 2005