参数资料
型号: TPS54073PWPR
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 25 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO28
封装: GREEN, PLASTIC, HTSSOP-28
文件页数: 24/26页
文件大小: 850K
代理商: TPS54073PWPR
200
300
400
500
600
700
800
40
0
25
85
125
TJ Junction Temperature °C
f
Externally
Set
Oscillator
Frequency
kHz
RT = 68 k
RT = 100 k
RT = 180 k
0.885
0.887
0.889
0.891
0.893
0.895
40
0
25
85
125
TJ Junction Temperature °C
V
oltage
Reference
V
ref
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
0
2
4
6
8
10
12
14
16
-PowerDissip
ation-W
P
D
I-OutputCurrent- A
O
TA =25
oC
20
0
20
40
60
80
100
120
140
1
100
1 k
1 M
200
180
160
140
120
100
80
60
40
20
0
10
10 k
100 k
10 M
f Frequency Hz
Gain
dB
Phase
Degrees
Phase
Gain
RL = 10 k,
CL = 160 pF,
TA = 25°C
0.885
0.887
0.889
0.891
0.893
0.895
3
3.1
3.2
3.3
3.4
3.5
3.6
VI Input Voltage V
Output
V
oltage
Regulation
V
O
PVIN = 2.5 V
2.75
2.90
3.05
3.20
3.35
3.50
3.65
40
0
25
85
125
TJ Junction Temperature °C
Internal
Slow-Start
Time
ms
3.80
VIN = 3.3 V,
PVIN = 2.5 V
www.ti.com ............................................................................................................................................................................................ SLVS547 – FEBRUARY 2005
TYPICAL CHARACTERISTICS (continued)
EXTERNALLY SET OSCILLATOR
FREQUENCY
VOLTAGE REFERENCE
DEVICE POWER DISSIPATION
vs
JUNCTION TEMPERATURE
OUTPUT CURRENT
Figure 4.
Figure 5.
Figure 6.
REFERENCE VOLTAGE
INTERNAL SLOWS-START TIME
vs
ERROR AMPLIFIER
vs
INPUT VOLTAGE
OPEN-LOOP RESPONSE
JUNCTION TEMPERATURE
Figure 7.
Figure 8.
Figure 9.
Copyright 2005, Texas Instruments Incorporated
7
Product Folder Link(s): TPS54073
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