參數(shù)資料
型號(hào)： TPS5401DGQT
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, PDSO10
封裝： PLASTIC, MSOP-10
文件頁(yè)數(shù)： 39/41頁(yè)
文件大小： 1149K
代理商： TPS5401DGQT
0.784
0.792
0.800
0.808
0.816
–50
–25
0
25
50
75
100
125
150
V
–
V
oltage
Reference
–
V
ref
T – Junction Temperature – °C
J
V
= 12 V
IN
0
125
250
375
500
–50
–25
0
25
50
75
100
125
150
T – Junction Temperature – °C
J
r
–
Static
Drain-Source
On-State
Resistance
–
m
D
S(on)
W
V
– V
= 3 V
BOOT
PH
V
– V
BOOT
PH
= 6 V
V
= 12 V
IN
550
570
580
590
600
610
–50
–25
0
25
50
75
100
125
150
f
–
Switching
Frequency
–
kHz
SW
560
T – Junction Temperature – °C
J
V
= 12 V
R = 200 k
IN
T
W
0.7
0.8
0.9
1.1
–50
–25
0
25
50
75
100
125
150
Switch
Current
–
A
T – Junction Temperature – °C
J
1
V
= 12 V
IN
0
500
1000
1500
2000
2500
0
25
50
75
100
125
150
175
200
RT/CLK – Clock Setting Resistance – kW
f
–
Switching
Frequency
–
kHz
SW
V
= 12 V
T = 25°C
IN
J
0
100
200
300
400
500
200
300
400
500
600
700
800
900
1000
1100
RT/CLK – Clock Setting Resistance – kW
f
–
Switching
Frequency
–
kHz
SW
1200
V
= 12 V
T = 25°C
IN
J
www.ti.com
SLVSAB0 – DECEMBER 2010
TYPICAL CHARACTERISTICS
ON-RESISTANCE vs JUNCTION TEMPERATURE
VOLTAGE REFERENCE vs JUNCTION TEMPERATURE
Figure 1.
Figure 2.
SWITCH-CURRENT LIMIT vs JUNCTION TEMPERATURE
SWITCHING FREQUENCY vs JUNCTION TEMPERATURE
Figure 3.
Figure 4.
SWITCHING FREQUENCY vs RT/CLK RESISTANCE
HIGH-FREQUENCY RANGE
LOW-FREQUENCY RANGE
Figure 5.
Figure 6.
Copyright 2010, Texas Instruments Incorporated
7
Product Folder Link(s): TPS5401
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