Datasheet
Electrical Specifi cations, OKDX-T/50-W12-C
T
P1
= -30 to +95 °C, V
I
= 4.5 to 14 V, V
I
> V
O
+ 1.0 V
Typical values given at: T
P1
= +25 °C, V
I
= 12.0 V, max I
O
, unless otherwise specifi ed under Conditions.
Default confi guration fi le, 190 10-CDA 102 0259/001.
External C
IN
= 470 µF/10 mΩ, C
OUT
= 470 µF/10 mΩ. See Operating Information section for selection of capacitor types.
Sense pins are connected to the output pins.
Characteristics Conditions Min Typ Max Unit
V
I
Input voltage rise time monotonic 2.4 V/ms
V
O
Output voltage without pin strap 1.2 V
Output voltage adjustment range 0.60 3.3 V
Output voltage adjustment including margining See Note 17 0.54 3.63 V
Output voltage set-point resolution ±0.025 % FS
Output voltage accuracy
Including line, load, temp.
See Note 14
-1 1 %
Current sharing operation
See Note 15
-2 2 %
Internal resistance +S/-S to VOUT/GND 47
Line regulation
V
O
= 0.6 V 2
mV
V
O
= 1.0 V 2
V
O
= 1.8 V 2
V
O
= 3.3 V 3
Load regulation; I
O
= 0 - 100%
V
O
= 0.6 V 2
mV
V
O
= 1.0 V 2
V
O
= 1.8 V 2
V
O
= 3.3 V 2
V
Oac
Output ripple & noise
C
O
= 470 F (minimum external capacitance). See Note 11
V
O
= 0.6 V 20
mVp-p
V
O
= 1.0 V 25
V
O
= 1.8 V 30
V
O
= 3.3 V 40
I
O
Output current See Note 18 0.001 50 A
I
S
Static input current at max I
O
V
O
= 0.6 V 3.12
A
V
O
= 1.0 V 4.81
V
O
= 1.8 V 8.22
V
O
= 3.3 V 14.59
I
lim
Current limit threshold 52 65 A
I
sc
Short circuit current RMS, hiccup mode, See Note 3
V
O
= 0.6 V 10
A
V
O
= 1.0 V 8
V
O
= 1.8 V 6
V
O
= 3.3 V 5
Effi ciency
50% of max I
O
V
O
= 0.6 V 85.2
%
V
O
= 1.0 V 90.2
V
O
= 1.8 V 93.3
V
O
= 3.3 V 95.3
max I
O
V
O
= 0.6 V 80.2
%
V
O
= 1.0 V 86.6
V
O
= 1.8 V 91.2
V
O
= 3.3 V 94.2
P
d
Power dissipation at max I
O
V
O
= 0.6 V 7.40
W
V
O
= 1.0 V 7.73
V
O
= 1.8 V 8.68
V
O
= 3.3 V 10.15
P
li
Input idling power
(no load)
Default confi guration: Continues
Conduction Mode, CCM
V
O
= 0.6 V 0.95
W
V
O
= 1.0 V 0.95
V
O
= 1.8 V 1.22
V
O
= 3.3 V 1.88
P
CTRL
Input standby power
Turned off with
CTRL-pin
Default confi guration:
Monitoring enabled,
Precise timing enabled
170
mW
C
i
Internal input capacitance 140 F
OKDx-T/50-W12-C
50A Digital PoL DC-DC Converter Series
MDC_OKDx-T/50-W12-C.A04 Page 11 of 41
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