Cꢀꢁnꢂ aꢂꢀoꢃpꢁcꢂ & elꢂcꢄꢀonicꢃ Powꢂꢀ solꢅꢄionꢃ
MHF+ Sꢁꢂꢃꢄꢀ, dꢇꢅꢄ ꢅꢂꢆ tꢈꢁpꢄꢀ dC/dC Cꢉꢂꢊꢀꢈꢋꢀꢈs
28 VOꢀT ꢁꢂPꢃT – 15 WATT
typꢁcꢅꢄ Pꢀꢈfꢉꢈmꢅꢂcꢀ Cꢇꢈꢊꢀs: 25°C tc , 28 vdC vꢁꢂ, 100% ꢄꢉꢅꢆ, fꢈꢀꢀ ꢈꢇꢂ, ꢇꢂꢄꢀss ꢉꢋhꢀꢈwꢁsꢀ spꢀcꢁfꢁꢀꢆ.
V
IN
100% to 10%
10% to 100%
+V
V
OUT
P
= 12W
OUT
V
IN
OUT
2 ms/div
1 ms/div
16V TO 40V
MHF+2815D STEP LINE RESPONSE
200µs/div
10% 100%
MHF+2805S TURN-ON INTO FULL LOAD
MHF+2805S STEP LOAD RESPONSE
Fi g u r e 17
Fi g u r e 18
Fi g u r e 19
P
= 7.5 W
100% to 50%
P = 7.5 W
O
O
–V
+V
OUT
100% to 20%
OUT
20% to 100%
V
IN
50% to 100%
50µs/div
50% 100%
STEP LOAD RESPONSE
50µs/div
20% 100%
STEP LOAD RESPONSE
2 ms/div
MHF+2815D +V
MHF+2815D +V
MHF+2815D TURN-ON INTO FULL LOAD
OUT
OUT
Fi g u r e 21
Fi g u r e 22
Fi g u r e 20
16
10
8
10
5
MHF+2805S&D
2805D
2812D
6
15
4
COND A
COND B
2
2812D
2815D
0
2815D
14
0
–5
–2
–4
–6
–8
2812D
MHF+2812S&D
13
MHF+2815S&D
2805D
30
2805D
–10
10
20
40
50
12
–10
OUTPUT LOAD (%)
10
11
12
13
14
15
0
20
40
60
80
100
COND. A: 50% LOAD +V; 50% to 10% –V
COND. B: 50% LOAD –V; 50% to 10% +V
MHF+2805D/MHF+2812D/MHF+2815D
CROSS REGULATION
OUTPUT POWER (Watts)
50 mV DROP
POSITIVE OUTPUT LOAD (% OF TOTAL LOAD)
–V
WITH SHIFT IN LOAD BALANCE
OUT CROSS REGULATION
LOW LINE DROPOUT VS. LOAD
Fi g u r e 23
Fi g u r e 24
Fi g u r e 25
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Pꢅꢃꢀ 16 ꢉf 23
MHF+ rꢀꢊ l - 20091113