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參數資料
| 型號： | TPS54327DDAR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 5.7 A SWITCHING REGULATOR, 700 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | GREEN, PLASTIC, MS-012BA, SOP-8 |
| 文件頁數： | 2/18頁 |
| 文件大小： | 399K |
| 代理商： | TPS54327DDAR |
EN(10V/div)
VREG5(5V/div)
1ms/div)
Vout(0.5V/div)
60
0
1
2
3
4
I
- Output Current - A
O
40
50
70
80
90
100
Efficiency
-
%
V
= 1.8 V
O
V
= 2.5 V
O
V
= 3.3 V
O
400
450
500
550
600
650
700
750
800
850
900
0
0.5
1
1.5
2
2.5
3
I -OutputCurrent- A
O
f
-SwitchingFrequency-kHz
s
V
=3.3V
O
V
=1.8V
O
V
=1.05V
O
400
450
500
550
600
650
700
750
800
850
900
0
5
10
15
20
V
-InputVoltage-V
IN
f
-SwitchingFrequency-kHz
s
V
=1.8V
O
V
=1.05V
O
I
=1 A
O
V
=3.3V
O
V (10mV/div)
O
V =1.05V
O
SW(5V/div)
V =1.05V
O
V
(50mV/div)
IN
SW(5V/div)
SLVSAG1 – NOVEMBER 2010
www.ti.com
TYPICAL CHARACTERISTICS (continued)
Figure 7. START-UP WAVE FORM
Figure 8. EFFICIENCY vs OUTPUT CURRENT
Figure 9. SWITCHING FREQUENCY vs INPUT VOLTAGE
Figure 10. SWITCHING FREQUENCY vs OUTPUT
CURRENT
Figure 11. VOLTAGE RIPPLE AT OUTPUT (IO = 2 A)
Figure 12. VOLTAGE RIPPLE AT INPUT (IO = 2 A)
10
Copyright 2010, Texas Instruments Incorporated
Product Folder Link(s): TPS54327
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