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参数资料
| 型号： | V62/07616-03XE |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 6.5 A SWITCHING REGULATOR, 700 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封装： | GREEN, PLASTIC, HTSSOP-16 |
| 文件页数： | 7/35页 |
| 文件大小： | 1132K |
| 代理商： | V62/07616-03XE |
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VI = 5 V/div
VO= 2 V/div
V(PWRGD)= 2 V/div
POWER DOWN
Time 2 ms/div
Power
Down
W
aveforms
V
See Figure 25
I(L1) = 200 mA/div
V(PH) = 5 V/div
CONTINUOUS CONDUCTION MODE
Time 1
s/div
Continuous
Conduction
Mode
See Figure 26
50
55
60
65
70
75
80
85
90
95
100
0
1
2
3
4
VI = 18 V
IO Output Current A
Efficiency
%
EFFICIENCY
vs
OUTPUT CURRENT
VI = 12 V
VI = 6 V
See Figure 26
VI = 10 V/div
VO1(3.3)= 2 V/div
V(PWRGD1)= 2 V/div
SEQUENCING WAVEFORMS
Time 2 ms/div
Sequencing
W
aveforms
V
VO2 (1.8)= 2 V/div
See Figure 27
I(L1) = 200 mA/div
V(PH) = 5 V/div
LIGHT LOAD CONDUCTION
Time 1
s/div
Light
Load
Conduction
See Figure 26
V(PH1) = 10 V/div
VI = 50 mV/div (ac coupled)
INPUT RIPPLE CANCELLATION
Time 1
s/div
Input
Ripple
Cancellation
V
V(PH2) = 10 V/div
See Figure 27
60
50
40
30
20
10
0
10
20
30
40
50
60
100
1 k
10 k
100 k
1 M
180
150
120
90
60
30
0
30
60
90
120
150
180
Phase
Gain
f Frequency Hz
G
Gain
dB
Phase
Degrees
MEASURED LOOP RESPONSE
100-mF POSCAP
See Figure 28
60
50
40
30
20
10
0
10
20
30
40
50
60
100
1 k
10 k
100 k
1 M
180
150
120
90
60
30
0
30
60
90
120
150
180
Phase
Gain
f Frequency Hz
G
Gain
dB
Phase
Degrees
MEASURED LOOP RESPONSE
2 y 180-mF SP CAPACITORS
See Figure 29
60
50
40
30
20
10
0
10
20
30
40
50
60
100
1 k
10 k
100 k
1 M
180
150
120
90
60
30
0
30
60
90
120
150
180
Phase
Gain
f Frequency Hz
G
Gain
dB
Phase
Degrees
MEASURED LOOP RESPONSE
330-mF OSCON
See Figure 30
,, TPS54353-EP,, TPS54354-EP
www.ti.com ....................................................................................................................................................... SLVS684A – JANUARY 2007 – REVISED JULY 2009
TYPICAL CHARACTERISTICS (continued)
Conditions are VI = 12 V, VO = 3.3 V, fs = 500 kHz, IO = 3 A, TA = 25°C (unless otherwise noted).
Figure 14.
Figure 15.
Figure 16.
Figure 17.
Figure 18.
Figure 19.
Figure 20.
Figure 21.
Figure 22.
Copyright 2007–2009, Texas Instruments Incorporated
15
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