參數(shù)資料
型號(hào): TPS51427RHBT
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: DUAL SWITCHING CONTROLLER, PQCC32
封裝: 5 X 5 MM, GREEN, PLASTIC, QFN-32
文件頁(yè)數(shù): 9/41頁(yè)
文件大?。?/td> 2040K
代理商: TPS51427RHBT
TYPICAL CHARACTERISTICS
SYSTEM DUAL RAILS
0.001
0
10
1
20
h
E
ff
ic
ie
n
c
y
%
0.1
0.01
60
80
40
100
V
IN (V)
8
12
20
I
OUT – Output Current – A
CH1
Auto-Skip Mode
V
TONSEL = V5FILT
0.001
0
10
1
20
h
E
ff
ic
ie
n
c
y
%
0.1
0.01
60
80
40
100
V
IN (V)
8
12
20
I
OUT – Output Current – A
CH2
Auto-Skip Mode
V
TONSEL = V5FILT
0.001
0
10
1
20
h
E
ff
ic
ie
n
c
y
%
0.1
0.01
60
80
40
100
I
OUT – Output Current – A
V
IN (V)
8
12
20
CH1
OOA Mode
V
TONSEL = V5FILT
0.001
0
20
h
E
ff
ic
ie
n
c
y
%
60
80
40
100
I
OUT – Output Current – A
10
1
V
IN (V)
8
12
20
0.1
0.01
CH2
OOA Mode
V
TONSEL = V5FILT
www.ti.com................................................................................................................................................ SLUS819B – APRIL 2008 – REVISED SEPTEMBER 2008
EFFICIENCY
vs
OUTPUT CURRENT
Figure 1. 5-V Efficiency in Auto-Skip Mode
Figure 2. 3.3-V Efficiency in Auto-Skip Mode
EFFICIENCY
vs
OUTPUT CURRENT
Figure 3. 5-V Efficiency in OOA Mode
Figure 4. 3.3-V Efficiency in OOA Mode
Copyright 2008, Texas Instruments Incorporated
17
Product Folder Link(s): TPS51427
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