参数资料
型号: TPS54110PWP
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 3.5 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO20
封装: GREEN, PLASTIC, HTSSOP-20
文件页数: 8/30页
文件大小: 870K
代理商: TPS54110PWP
50
55
60
65
70
75
80
85
90
95
100
0
0.25
0.5
0.75
1
1.25
1.5
I
O
Output Current A
E
ff
ic
ie
n
c
y
%
VI = 3.3 V
VI = 5 V
0.2
0.4
0.6
0.8
1.2
0
0.25
0.5
0.75
1
1.25
1.5
P
o
w
e
rD
is
s
ip
a
ti
o
n
W
P
D
IO Output Current A
0
1
VI = 3.3 V
VI = 5 V
0.1
0.08
0.06
0.04
0.02
0
0.02
0.04
0.06
0.08
0.1
0
0.25
0.5
0.75
1
1.25
1.5
O
u
tp
u
t
V
o
lt
a
g
e
V
a
ri
s
ti
o
n
%
I
O
Output Current A
VI = 3.3 V
VI = 5 V
Time = 500 ns/div
VI = 50 mV/div (AC)
V(phase)= 2 V/div
VO = 20 mV/div (AC)
V(phase)= 2 V/div
Time = 500 ns/div
0.02
0.015
0.01
0.005
0.01
0.015
0.02
3
3.5
4
4.5
5
5.5
6
0
IO = 0 A
IO = 0.75 A
IO = 1.5 A
V
I
Input Voltage V
O
u
tp
u
t
V
o
lt
a
g
e
V
a
ri
s
ti
o
n
%
VO= 20 mV/div (AC)
IO= 1 V/div
Time = 200
s/div
VI = 1 V/div
VO = 500 mV/div
Time = 5 ms/div
SLVS500C
– DECEMBER 2003 – REVISED FEBRUARY 2011
All performance data shown for VI = 5 V, VO = 1.5 V, FS = 700 kHz, TA = 25°C, Figure 20
EFFICIENCY
POWER DISSIPATION
LOAD REGULATION
vs
OUTPUT CURRENT
Figure 21.
Figure 22.
Figure 23.
LINE REGULATION
vs
INPUT VOLTAGE
INPUT VOLTAGE RIPPLE
OUTPUT VOLTAGE RIPPLE
Figure 24.
Figure 25.
Figure 26.
OUTPUT VOLTAGE TRANSIENT
RESPONSE
START UP WAVEFORM
Figure 27.
Figure 28.
16
2003–2011, Texas Instruments Incorporated
Product Folder Link(s): TPS54110
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