參數(shù)資料
型號: TPS51427ARHBR
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
文件頁數(shù): 13/42頁
文件大?。?/td> 2131K
代理商: TPS51427ARHBR
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
CH1
OOA Mode
V
TONSEL = GND
10
30
50
70
90
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 = GND
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
PWM Mode
V
TONSEL = GND
0.001
0
20
h
E
ff
ic
ie
n
c
y
%
60
80
40
100
I
OUT – Output Current – A
10
1
0.1
0.01
CH2
PWM Mode
V
TONSEL = GND
V
IN (V)
8
12
20
SLUS843B – MAY 2008 – REVISED SEPTEMBER 2008 .................................................................................................................................................. www.ti.com
TYPICAL CHARACTERISTICS (continued)
EFFICIENCY
vs
OUTPUT CURRENT
Figure 13. 1.5-V Efficiency in OOA mode
Figure 14. 1.05-V Efficiency in OOA mode
EFFICIENCY
vs
OUTPUT CURRENT
Figure 15. 1.5-V Efficiency in PWM mode
Figure 16. 1.05-V Efficiency in PWM mode
20
Copyright 2008, Texas Instruments Incorporated
Product Folder Link(s): TPS51427A
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