參數(shù)資料
型號(hào): TPS51315RGFR
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PQCC40
封裝: GREEN, PLASTIC, QFN-40
文件頁(yè)數(shù): 8/32頁(yè)
文件大小: 1028K
代理商: TPS51315RGFR
I
OUT – Output Current – A
10
0.001
0.1
1
0.01
1.2
V
OUT (V)
3.3
1.8
50
40
100
h
E
ff
ic
ie
n
c
y
%
60
80
90
70
V
IN = 12 V
1.05
50
40
100
h
E
ff
ic
ie
n
c
y
%
V
IN = 12 V
60
80
90
70
I
OUT – Output Current – A
10
0.001
0.1
1
0.01
1.1
1.5
V
OUT (V)
5.0
2.5
t – Time – 500 ms/div
I
OUT (10 A/div)
LL (10 V/div)
V
OUT (500 mV/div)
t – Time – 500 ms/div
I
OUT (10 A/div)
LL (10 V/div)
V
OUT (500 mV/div)
SLUS881A
– MAY 2009 – REVISED MAY 2011
TYPICAL CHARACTERISTICS (continued)
At VIN = 12 V, VV5IN = 5 V, RT(on) = 237 k, and TA = 25°C, unless otherwise noted.
EFFICIENCY
vs
OUTPUT CURRENT
Figure 17. X
Figure 18. X
X
Figure 19. 1.05-V Start-Up Waveforms (Heavy Load)
Figure 20. 1.05-V Shut-Down Waveforms (Heavy Load)
16
Copyright
2009–2011, Texas Instruments Incorporated
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