參數(shù)資料
型號(hào): TPS54614PWPRG4
廠商: TEXAS INSTRUMENTS INC
元件分類(lèi): 穩(wěn)壓器
英文描述: 12 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO28
封裝: GREEN, PLASTIC, HTSSOP-28
文件頁(yè)數(shù): 4/23頁(yè)
文件大小: 706K
代理商: TPS54614PWPRG4
TPS54611, TPS54612
TPS54613, TPS54614
TPS54615, TPS54616
SLVS400C AUGUST 2001 REVISED APRIL 2005
www.ti.com
12
PERFORMANCE GRAPHS
Figure 13
VI = 5 V
VI = 3.3V
IL Load Current A
70
01
2
3
4
5
6
Efficiency
%
80
EFFICIENCY
vs
LOAD CURRENT
100
78
9 10
90
60
50
Figure 14
VI = 5 V
VI = 3.3V
1
0.99
0.98
01
2
3
4
5
6
Output
V
o
lt
ag
e
V
1.01
OUTPUT VOLTAGE
vs
LOAD CURRENT
1.03
78
9 10
1.02
0.97
V O
IL Load Current A
Figure 15
Phase
Gain
f Frequency Hz
20
10
100
1 k
10 k
100 k
Gain
dB
30
40
LOOP RESPONSE
60
50
0
20
Phase
Degrees
180
135
90
45
0
Figure 16
40
t Time s
TRANSIENT RESPONSE
300
020
350
0
250
50
150
60 80 100 120 140 160 180 200
100
200
400
Output
V
oltage
mV
V
O
0
2
4
6
8
10
12
14
16
Output
Current
A
I O
Figure 17
4
t Time s
START-UP WAVEFORMS
6
02
7
0
5
1
3
6
8 10 12 14 16 18 20
2
4
8
Input
V
o
ltage
V
I
Figure 18
40
t Time s
OUTPUT RIPPLE VOLTAGE
60
020
70
0
50
10
30
60 80 100 120 140 160 180 200
20
40
80
Output
V
oltage
mV
V
O
Figure 19
75
65
35
012
3
4
5
6
Ambient
Temperature
85
95
AMBIENT TEMPERATURE
vs
LOAD CURRENT
125
78
105
45
25
C°
T
A
IL Load Current A
TJ = 125°C
FS = 700 kHz
VI = 3.3 V
VI = 5 V
55
115
Safe Operating Area
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