www.德州仪器.com
typicalcharacteristics(15-vinput)
(3)(4)
0
20
40
60
80
100
0 0.3 0.6 0.9 1.2 1.5
I
O
− 输出 电流 − 一个
− 输出 voltage 波纹 − mv
V
O
PP
V
O
= 2.5 v
V
O
= 3.3 v
V
O
= 9 v
V
O
= 12 v
V
O
= 5 v
50
60
70
80
90
100
0 0.3 0.6 0.9 1.2 1.5
效率 − %
I
O
− 输出 电流 − 一个
V
O
= 12 v
V
O
= 9 v
V
O
= 2.5 v
V
O
= 5 v
V
O
= 3.3 v
0
0.3
0.6
0.9
1.2
1.5
0 0.3 0.6 0.9 1.2 1.5
− 电源 消耗 − w
P
D
I
O
− 输出 电流 − 一个
V
O
= 5 v
V
O
= 9 v
V
O
= 3.3 v
V
O
= 2.5 v
V
O
= 12 v
20
30
40
50
60
70
80
90
0 0.3 0.6 0.9 1.2 1.5
200 lfm
nat conv
I
O
− 输出 电流 − 一个
60 lfm
120 lfm
Temperature 减额 −
C
20
30
40
50
60
70
80
90
0 0.3 0.6 0.9 1.2 1.5
airflow:
nat conv
I
O
− 输出 电流 − 一个
Temperature 减额 −
C
PTN78000W
SLTS230–NOVEMBER2004
EFFICIENCYOUTPUTVOLTAGERIPPLEPOWERDISSIPATION
vsvsvs
OUTPUTCURRENTOUTPUTCURRENTOUTPUTCURRENT
figure5.figure6.figure7.
TEMPERATUREDERATINGTEMPERATUREDERATING
vsvs
outputcurrent;v
O
≤
5voutputcurrent;v
O
=12V
figure8.figure9.
(3)theelectricalcharacteristicdatahasbeendevelopedfromactualproductstestedat25
°
c.thisdataisconsideredtypicalforthe
转换器.appliestofigure5,figure6,andfigure7.
(4)thetemperaturederatingcurvesrepresenttheconditionsatwhichinternalcomponentsareatorbelowthemanufacturer'smaximum
operatingtemperatures.deratinglimitsapplytomodulessoldereddirectlytoa100-mmx100-mm,翻倍-sidedpcbwith2oz.铜.
appliestofigure8andfigure9.
6