參數(shù)資料
型號(hào): PTH08080WAS
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 2.25 A SWITCHING REGULATOR, 300 kHz SWITCHING FREQ-MAX, PDMA5
封裝: ROHS COMPLIANT PACKAGE-5
文件頁(yè)數(shù): 14/17頁(yè)
文件大?。?/td> 520K
代理商: PTH08080WAS
www.ti.com
TYPICAL CHARACTERISTICS (12-V INPUT)(1)(2)
0
20
40
60
80
100
0
0.5
1
1.5
2
2.5
VO = 2.5 V
VO = 1.5 V
VO = 1.2 V
VO = 5 V
VO = 3.3 V
VO = 1.8 V
IO Output Current A
Output
V
oltage
Ripple
mV
V
O
PP
50
60
70
80
90
100
0
0.5
1
1.5
2
2.5
VO = 5 V
VO = 3.3 V
VO = 2.5 V
VO = 1.8 V
VO = 1.5 V
VO = 1.2 V
Efficiency
%
IO Output Current A
0
0.25
0.5
0.75
1
0
0.5
1
1.5
2
2.5
VO = 5 V
VO = 3.3 V
VO = 2.5 V
VO = 1.2 V
IO Output Current A
Power
Dissipation
W
P
D
VO = 1.8V
VO = 1.5 V
20
30
40
50
60
70
80
90
0.25
0.75
1.25
1.75
2.25
Airflow
Nat Conv
IO Output Current A
T
emperature
Derating
5
C
SLTS235C – FEBRUARY 2005 – REVISED FEBRUARY 2008
EFFICIENCY
OUTPUT RIPPLE
vs
OUTPUT CURRENT
Figure 6.
Figure 7.
POWER DISSIPATION
TEMPERATURE DERATING
vs
OUTPUT CURRENT
Figure 8.
Figure 9.
(1)
The electrical characteristic data has been developed from actual products tested at 25
°C. This data is considered typical for the
converter. Applies to Figure 6, Figure 7, and Figure 8.
(2)
The temperature derating curves represent the conditions at which internal components are at or below the manufacturer's maximum
operating temperatures. Derating limits apply to modules soldered directly to a 100-mm
× 100-mm, double-sided PCB with 2-oz. copper.
Applies to Figure 9.
6
Copyright 2005–2008, Texas Instruments Incorporated
Product Folder Link(s) :PTH08080W
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