OKY-T/3,T/5-D12 Series
Adjustable Output 3 and 5-Amp DOSA-SMT DC/DC Converters
OKY-T/5-D12 PERFORMANCE DATA: Vout = 2.5V
OKY-T/5-D12 Efficiency vs. Line Voltage and Load Current @ 25°C (VOUT = 2.5V)
OKY-T/5-D12 Maximum Current Temperature Derating @ Sea Level
(VIN = 12V, VOUT = 2.5V, airflow is transverse)
100
90
80
70
VIN = 8.3V
60
VIN = 12V
50
VIN = 14V
40
30
20
10
0
0
1
2
3
4
5
6
Load Current (Amps)
5.3
5.0
4.8
Natural convection
4.5
4.3
4.0
3.8
3.5
3.3
3.0
20 25 30 35 40 45 50 55 60 65 70 75 80 85 90
Ambient Temperature (ºC)
OKY-T/5-D12 OSCILLOGRAMS: Vout = 2.5V
Output Ripple and Noise
(Vin=12V, Vout=2.5V, Iout=5A, Cload=0, ScopeBW=100MHz)
On/Off Enable Startup Delay (Vin=12V, Vout=2.5V, Iout=5A, Cload=0)
Trace 4=Enable In, Trace2=Vout
Step Load Transient Response (Vin=12V, Vout=2.5V, Cload=0, Iout=2.5A to 5A)
Trace 1=Vout, 100 mV/div. Trace 3=Iout, 2A/div.
Step Load Transient Response (Vin=12V, Vout=2.5V, Cload=0, Iout=5A to 2.5A)
Trace 1=Vout, 100 mV/div. Trace 3=Iout, 2A/div.
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MDC_OKY-T/3,T/5-D12 Series.B15 Page 18 of 21