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TPS54972PWPR bảng dữ liệu(PDF) 7 Page - Texas Instruments

tên linh kiện TPS54972PWPR
Giải thích chi tiết về linh kiện  9-A OUTPUT, 3-V TO 4-V INPUT TRACKING/TERMINATION SYNCHRONOUS PWM SWITCHER WITH INTEGRATED FETs (SWIFT™)
PDF  22 Pages
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nhà sản xuất  TI2 [Texas Instruments]
Trang chủ  https://www.ti.com
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TPS54972PWPR bảng dữ liệu(HTML) 7 Page - Texas Instruments

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background image
0
5
10
15
20
25
–40
0
25
85
125
VI = 3.6 V
IO = 9 A
TJ – Junction T emperature – °C
250
350
450
550
650
750
–40
0
25
85
125
TJ – Junction Temperature – °C
RT = Open
0
5
10
15
20
25
–40
0
25
85
125
VIN = 3.0 V
IO = 9 A
TJ – Junction T emperature – °C
200
300
400
500
600
700
800
–40
0
25
85
125
TJ – Junction Temperature – °C
RT = 68 kΩ
RT = 100 kΩ
RT = 180 kΩ
IL – Load Current – A
0
1
2
3
4
5
6
7
8
0
2
4
6
8
10
12
14
16
VI = 3.3 V
TJ = 125°C
fS = 700kHz
2.75
2.90
3.05
3.20
3.35
3.50
3.65
–40
0
25
85
125
TJ – Junction Temperature – °C
3.80
–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
Phase
Gain
RL = 10 kΩ,
CL = 160 pF,
TA = 25°C
TPS54972
www.ti.com
SLVS437B – AUGUST 2002 – REVISED AUGUST 2010
TYPICAL CHARACTERISTICS
DRAIN-SOURCE ON-STATE
DRAIN-SOURCE ON-STATE
INTERNALLY SET OSCILLATOR
RESISTANCE
RESISTANCE
FREQUENCY
vs
vs
vs
JUNCTION TEMPERATURE
JUNCTION TEMPERATURE
JUNCTION TEMPERATURE
Figure 1.
Figure 2.
Figure 3.
EXTERNALLY SET OSCILLATOR
FREQUENCY
DEVICE POWER LOSSES
INTERNAL SLOW-START TIME
vs
vs
vs
JUNCTION TEMPERATURE
LOAD CURRENT
JUNCTION TEMPERATURE
Figure 4.
Figure 5.
Figure 6.
ERROR AMPLIFIER
OPEN LOOP RESPONSE
Figure 7.
Copyright © 2002–2010, Texas Instruments Incorporated
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