www.德州仪器.com
typicalcharacteristics(3.3-vinput)
(1)(2)
50
55
60
65
70
75
80
85
90
95
100
0
0.5
1
1.5
2
2.5
3
V
O
= 2 v
V
O
= 1.8 v
V
O
= 1.5 v
V
O
= 1.2 v
V
O
= 1 v
V
O
= 0.9 v
效率 - %
I
O
- 输出 电流 - 一个
0
10
20
30
40
50
0
0.5
1
1.5
2
2.5
3
V 输出 电压 波纹 - mv
O PP
-
I
O
- 输出 电流 - 一个
V = 1.2 v
O
V = 0.9 v
O
V = 1.8 v
O
0
0.2
0.6
0.4
0.8
1
1.2
0
0.5
1
1.5
2
2.5
3
- 电源 消耗 - w
P
D
I
O
- 输出 电流 - 一个
V = 1.8 v
O
V = 0.9 v
O
20
30
40
50
60
70
80
90
0
0.5
1
1.5
2
2.5
3
I
O
- 输出 电流 - 一个
airflow:
T - 包围的 温度 - C
一个
o
nat conv
所有 v
O
PTH04000W
SLTS247A–JUNE2005–REVISEDJULY2005
EFFICIENCYOUTPUTRIPPLE
vsvs
OUTPUTCURRENTOUTPUTCURRENT
figure5.figure6.
POWERDISSIPATIONAMBIENTTEMPERATURE
vsvs
OUTPUTCURRENTOUTPUTCURRENT
figure7.figure8.
(1)theelectricalcharacteristicdatahasbeendevelopedfromactualproductstestedat25°c.thisdataisconsideredtypicalforthe
转换器.appliestoFigure5,Figure6,和Figure7.
(2)thetemperaturederatingcurvesrepresenttheconditionsatwhichinternalcomponentsareatorbelowthemanufacturer'smaximum
operatingtemperatures.deratinglimitsapplytomodulessoldereddirectlytoa100mmx100mmdouble-sidedpcbwith2oz.铜.
AppliestoFigure8.
6