參數(shù)資料
型號: TPS54357PWPR
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 6.5 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO16
封裝: GREEN, PLASTIC, HTSSOP-16
文件頁數(shù): 6/35頁
文件大?。?/td> 858K
代理商: TPS54357PWPR
TPS54352,TPS54353
TPS54354,TPS54355
TPS54356,TPS54357
SLVS519A MAY 2004 REVISED OCTOBER 2004
www.ti.com
14
TYPICAL CHARACTERISTICS
Conditions are VI = 12 V, VO = 3.3 V, fs = 500 kHz, IO = 3 A, TA = 25 °C, unless otherwise noted
Figure 5
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
Gain
Phase
f Frequency Hz
G
Gain
dB
Phase
Degrees
MEASURED LOOP RESPONSE
See Figure 25
Figure 6
0.3
0.2
0.1
0
0.1
0.2
0.3
0
0.5
1
1.5
2
2.5
3
3.5
VI = 18 V
VI = 12 V
VI = 6 V
LOAD REGULATION
IO Output Current A
Output
V
o
ltage
Change
%
See Figure 25
Figure 7
0.1
0.08
0.06
0.04
0.02
0
0.02
0.04
0.06
0.08
0.1
46
8
10
12
14
16
18
20
22
IO = 1.5 A
IO = 0 A
IO = 3 A
Output
V
o
ltage
Change
%
VI Input Voltage V
LINE REGULATION
See Figure 25
Figure 8
50
55
60
65
70
75
80
85
90
95
100
01
234
VI = 18 V
VI = 12 V
VI = 6 V
IO Output Current A
Efficiency
%
EFFICIENCY
vs
OUTPUT CURRENT
See Figure 25
Figure 9
VI(RIPPLE) = 100 mV/div (ac coupled)
V(PH) = 5 V/div
INPUT RIPPLE VOLTAGE
Time 1
s/div
Amplitude
See Figure 25
Figure 10
VO(RIPPLE) = 10 mV/div (ac coupled)
V(PH) = 5 V/div
OUTPUT RIPPLE VOLTAGE
Time 1
s/div
Amplitude
See Figure 25
Figure 11
V(LSG) = 5 V/div
V(PH) = 5 V/div
GATE DRIVE VOLTAGE
Time 1
s/div
Amplitude
See Figure 25
Figure 12
VO = 50 mV/div (ac coupled)
I(PH) = 1 A/div
LOAD TRANSIENT RESPONSE
Time 200
s/div
Load
T
ransient
Response
mV
See Figure 25
Figure 13
VI = 5 V/div
VO= 2 V/div
V(PWRGD)= 2 V/div
POWER UP
Time 2 ms/div
Power
Up
Response
mV
See Figure 25
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TPS54352PWP 6.5 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO16
TPS54354PWP 6.5 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO16
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