參數(shù)資料
型號(hào): TPS51427ARHBR
廠商: TEXAS INSTRUMENTS INC
元件分類(lèi): 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): 11/42頁(yè)
文件大?。?/td> 2131K
代理商: TPS51427ARHBR
0.001
4.98
10
1
0.01
OOA
Auto-Skip
PWM Only
I
OUT – Output Current – mA
V
O
U
T
O
u
tp
u
t
V
o
lt
a
g
e
V
5.00
5.02
5.06
5.08
5.10
5.12
5.14
5.16
5.18
Mode
OOA
Auto-Skip
PWM Only
5.04
0.1
CH1
V
IN = 12 V
V
TONSEL = V5FILT
0.001
3.24
10
1
0.01
OOA
Auto-Skip
PWM Only
I
OUT – Output Current – mA
V
O
U
T
O
u
tp
u
t
V
o
lt
a
g
e
V
3.26
3.28
3.30
3.32
3.34
3.36
3.38
3.40
3.42
Mode
OOA
Auto-Skip
PWM Only
0.1
CH2
V
IN = 12 V
V
TONSEL = V5FILT
LOW VOLTAGE 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 = 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
10
30
50
70
90
www.ti.com .................................................................................................................................................. SLUS843B – MAY 2008 – REVISED SEPTEMBER 2008
TYPICAL CHARACTERISTICS (continued)
OUTPUT VOLTAGE
vs
OUTPUT CURRENT
Figure 9. 5-V Load Regulation
Figure 10. 3.3-V Load Regulation
EFFICIENCY
vs
OUTPUT CURRENT
Figure 11. 1.5-V Efficiency in Auto-Skip mode
Figure 12. 1.05-V Efficiency in Auto-Skip Mode
Copyright 2008, Texas Instruments Incorporated
19
Product Folder Link(s): TPS51427A
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