www.德州仪器.com
typicalcharacteristics(24-vinput)
(1)(2)
0
0.3
0.6
0.9
1.2
1.5
50
45
55
65
60
70
75
80
85
V = -5 v
O
V = -3 v
O
效率 - %
I - 输出 电流 - 一个
O
0
0.3
0.6
0.9
1.2
1.5
I - 输出 电流 - 一个
O
0
10
20
30
40
50
60
70
V = -5 v
O
V = -3 v
O
V - 输出 电压 波纹 - mv
O PP
0
0.3
0.6
0.9
1.2
1.5
I - 输出 电流 - 一个
O
0
0.4
0.2
0.6
0.8
1.2
1
1.4
1.6
1.8
2
V = -5 v
O
V = -3 v
O
P - 电源 消耗 - w
D
0
0.5
1
1.5
I - 输出 电流 - 一个
O
20
30
50
40
60
70
80
90
包围的 温度 - C
o
V = -5v 和 -3 v
O
200 lfm
100 lfm
nat conv
PTN78000A
SLTS246A–APRIL2005–REVISEDMAY2005
EFFICIENCYOUTPUTVOLTAGERIPPLEPOWERDISSIPATION
vsvsvs
OUTPUTCURRENTOUTPUTCURRENTOUTPUTCURRENT
figure13.figure14.figure15.
TEMPERATUREDERATING
vs
OUTPUTCURRENT
figure16.
(1)theelectricalcharacteristicdatahasbeendevelopedfromactualproductstestedat25°c.thisdataisconsideredtypicalforthe
转换器.appliestoFigure13,Figure14,和Figure15.
(2)thetemperaturederatingcurvesrepresenttheconditionsatwhichinternalcomponentsareatorbelowthemanufacturer'smaximum
operatingtemperatures.deratinglimitsapplytomodulessoldereddirectlytoa100-mmx100-mm,翻倍-sidedpcbwith2oz.铜.
AppliestoFigure16.
7