SMHF Datasheet, PDF (7/12 Pages) List of Unclassifed Manufacturers – DC/DC CONVERTERS 28 VOLT INPUT

DC/DC CONVERTERS
SMHF SERIES
SINGLE AND DUAL
15 WATT
Typical Performance Curves: 25°C Tc , 28 VDC Vin, 100% load, free run, unless otherwise specified.
100% to 10%
10% to 100%
200µs/div
10% 100%
SMHF2805S STEP LOAD RESPONSE
FIGURE 12
VIN
VOUT
POUT= 12W
2 ms/div
SMHF2805S TURN-ON INTO FULL LOAD
FIGURE 13
+VOUT
VIN
1 ms/div
16V TO 40V
SMHF2815D STEP LINE RESPONSE
FIGURE 14
100% to 50%
PO= 7.5 W
50% to 100%
50µs/div
50% 100%
SMHF2815D +V STEP LOAD RESPONSE
FIGURE 15
PO= 7.5 W
100% to 20%
20% to 100%
50µs/div
20% 100%
SMHF+2815D VOUT STEP LOAD RESPONSE
FIGURE 16
–VOUT
+VOUT
VIN
2 ms/div
SMHF2815D TURN-ON INTO FULL LOAD
FIGURE 17
10
5
2812D
2815D
0
–5
2805D
–10
0
20 40 60 80 100
POSITIVE OUTPUT LOAD (% OF TOTAL LOAD)
–V_OUT WITH SHIFT IN LOAD BALANCE
CROSS REGULATION
FIGURE 18
10
8
2805D
6
2812D
4
COND A
2
0
2815D
–2
COND B
–4
2812D
–6
–8
2805D
–10
10 20 30 40 50
OUTPUT LOAD (%)
COND. A: 50% LOAD +V; 50% to 10% –V
COND. B: 50% LOAD –V; 50% to 10% +V
SMHF2805D/SMHF2812D/SMHF2815D
CROSS REGULATION
FIGURE 19
16
SMHF2805S&D
15
14
SMHF2812S&D
13
SMHF2815S&D
12
10
11
12
13
14 15
OUTPUT POWER (Watts)
50 mV DROP
LOW LINE DROPOUT VS. LOAD
FIGURE 20
39