www.德州仪器.com
typicalcharacteristics(7-vinput)
(1)(2)
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
= 2.5 v
V
O
= 5 v
V
O
= 3.3 v
0
10
20
30
40
50
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
= 5 v
60 lfm
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
0
0.2
0.4
0.6
0.8
1
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
= 2.5 v
V
O
= 3.3 v
V
O
= 5 v
PTN78000W
SLTS230–NOVEMBER2004
EFFICIENCYOUTPUTVOLTAGERIPPLE
vsvs
OUTPUTCURRENTOUTPUTCURRENT
figure1.figure2.
POWERDISSIPATIONTEMPERATUREDERATING
vsvs
outputcurrentoutputcurrent;v
O
≤
5V
figure3.figure4.
(1)theelectricalcharacteristicdatahasbeendevelopedfromactualproductstestedat25
°
c.thisdataisconsideredtypicalforthe
转换器.appliestofigure1,figure2,andfigure3.
(2)thetemperaturederatingcurvesrepresenttheconditionsatwhichinternalcomponentsareatorbelowthemanufacturer'smaximum
operatingtemperatures.deratinglimitsapplytomodulessoldereddirectlytoa100mmx100mmdouble-sidedpcbwith2oz.铜.
appliestofigure4.
5