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參數資料
| 型號： | TPS54615MPWPREP |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 12 A SWITCHING REGULATOR, 700 kHz SWITCHING FREQ-MAX, PDSO28 |
| 封裝： | PLASTIC, HTSSOP-28 |
| 文件頁數： | 20/21頁 |
| 文件大小： | 650K |
| 代理商： | TPS54615MPWPREP |
www.ti.com
TYPICAL CHARACTERISTICS
450
40
0
25
f
Internally
Set
Oscillator
Frequency
kHz
550
750
85
125
650
350
250
TJ Junction Temperature °C
FSEL
≥ 2.5 V
FSEL
≤ 0.8 V
0
20
40
60
80
100
120
40
0
25
85
125
IO = 3 A
VI = 3.3 V
TJ Junction Temperature °C
Drain-Source
On-State
Resistance
0
20
40
60
80
100
40
0
25
85
125
IO = 3 A
VI = 5 V
TJ Junction Temperature °C
Drain-Source
On-State
Resistance
0.889
40
0
25
V
oltage
Reference
V
0.895
85
125
0.893
0.887
0.885
TJ Junction Temperature °C
0.891
V
ref
0.8850
0.8870
0.8890
0.8910
0.8930
0.8950
3
4
5
6
f = 350 kHz
TA = 85°C
VI Input Voltage V
Output
V
oltage
Regulation
V
O
400
40
0
25
f
Externally
Set
Oscillator
Frequency
kHz
500
800
85
125
700
300
200
TJ Junction Temperature °C
600
RT = 68 k
RT = 100 k
RT = 180 k
f Frequency Hz
60
40
0
10
100
1 k
10 k 100 k 1 M
Gain
dB 80
100
140
10 M
120
20
Phase
Degrees
0
20
40
60
80
100
120
140
160
180
200
RL= 10 k,
CL = 160 pF,
TA = 25°C
Phase
Gain
TJ Junction Temperature °C
3.35
3.20
2.90
40
0
25
85
Internal
Slow-Start
Time
ms
3.50
3.65
125
3.80
3.05
2.75
IL Load Current A
2
1.5
0.5
0
1
2
3
4
5
6
Device
Power
Losses
W
2.5
3
5
7
8
3.5
1
0
4
4.5
TJ = 125°C
FS = 700 kHz
VI = 3.3 V
VI = 5.0 V
TPS54611-EP, TPS54612-EP
TPS54613-EP, TPS54614-EP
TPS54615-EP, TPS54616-EP
SGLS293A – FEBRUARY 2005 – REVISED AUGUST 2005
DRAIN-SOURCE ON-STATE
INTERNALLY SET OSCILLATOR
RESISTANCE
FREQUENCY
vs
JUNCTION TEMPERATURE
Figure 1.
Figure 2.
Figure 3.
EXTERNALLY SET OSCILLATOR
VOLTAGE REFERENCE
OUTPUT VOLTAGE REGULATION
FREQUENCY
vs
JUNCTION TEMPERATURE
INPUT VOLTAGE
JUNCTION TEMPERATURE
Figure 4.
Figure 5.
Figure 6.
ERROR AMPLIFIER
INTERNAL SLOW-START TIME
DEVICE POWER LOSSES
OPEN LOOP RESPONSE
vs
JUNCTION TEMPERATURE
LOAD CURRENT
Figure 7.
Figure 8.
Figure 9.
8
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