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): 16/42頁
文件大?。?/td> 2131K
代理商: TPS51427ARHBR
5
100
25
20
10
V
IN – Input Voltage – V
f S
W
F
re
q
u
e
n
c
y
k
H
z
200
300
500
400
15
V
TONSEL (V)
V
V5FILT
GND
V
VREF2
V
TONSEL= GND
V
TONSEL = VV5FILT
V
TONSEL = VVREF2
5
100
25
20
10
V
IN – Input Voltage – V
f S
W
F
re
q
u
e
n
c
y
k
H
z
200
300
400
15
V
TONSEL (V)
V
V5FILT
GND
V
VREF2
V
TONSEL= GND
V
TONSEL = VV5FILT
V
TONSEL = VVREF2
500
600
0
f S
W
F
re
q
u
e
n
c
y
k
H
z
50
200
250
100
150
OOA
Auto-Skip
CH1
V
IN = 12 V
V
TONSEL = VV5VFILT
0.001
10
1
0.01
I
OUT – Output Current – A
0.1
0
f S
W
F
re
q
u
e
n
c
y
k
H
z
100
200
400
300
CH2
V
IN = 12 V
V
TONSEL = VV5VFILT
50
150
350
250
OOA
Auto-Skip
0.001
10
1
0.01
I
OUT – Output Current – A
0.1
www.ti.com .................................................................................................................................................. SLUS843B – MAY 2008 – REVISED SEPTEMBER 2008
TYPICAL CHARACTERISTICS (continued)
FREQUENCY
vs
INPUT VOLTAGE
Figure 25. Channel 1 (5-V Setting)
Figure 26. Channel 2 (3.3-V Setting)
FREQUENCY
vs
OUTPUT CURRENT
Figure 27. Load Current (5-V Setting)
Figure 28. Load Current (3.3-V Setting)
Copyright 2008, Texas Instruments Incorporated
23
Product Folder Link(s): TPS51427A
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