参数资料
型号: TPS65140PWPG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 2.6 A SWITCHING REGULATOR, 2100 kHz SWITCHING FREQ-MAX, PDSO24
封装: GREEN, PLASTIC, HTSSOP-24
文件页数: 31/31页
文件大小: 1391K
代理商: TPS65140PWPG4
www.ti.com
VSW
10 V/div
VO
50 mV/div
VI = 3.3 V
VO = 10 V/300 mA
IL
1 A/div
250 ns/div
100
150
200
250
300
350
40
20
0
20
40
60
80
100
NChannel
Main
Switch
m
TA Free-Air Temperature °C
Vo1 = 5 V
Vo1 = 15 V
Vo1 = 10 V
r DS(on)
1.3
1.4
1.5
1.6
1.7
1.8
1.9
40
20
0
20
40
60
80
100
TA Free-Air Temperature °C
Switching
Frequency
MHz
VI = 2.7 V
VI = 3.3 V
VI = 5.8 V
Vo1
200 mV/div
VI = 3.3 V
Vo1 = 10 V, CO= 22 F
IO
50 mA to 250 mA
100
s/div
Vo1
100 mV/div
VI = 3.3 V
Vo1 = 10 V, CO= 2*22 F
IO
50 mA to 250 mA
100
s/div
VSW
10 V/div
VO
50 mV/div
VI = 3.3 V
VO = 10 V/10 mA
IL
500 mA/div
250 ns/div
Vo1
5 V/div
VI = 3.3 V
VO = 10 V,
IO = 300 mA
500
s/div
II
500
mA/div
Vo1
5 V/div
VI = 3.3 V
VO = 10 V,
500
s/div
Vo2
5 V/div
Vo3
10 V/div
0
0.02
0.04
0.06
0.08
0.10
0.12
0.14
0.16
0.18
0.20
8.8
9.8
10.8
11.8
12.8
13.8
14.8
Vo1 Output Voltage V
Output
Current
A
I O
Vo2 = 8 V
TA = 40°C
TA = 25°C
TA = 85°C
SLVS497C – SEPTEMBER 2003 – REVISED APRIL 2006
SWITCHING FREQUENCY
rDS(on) N-CHANNEL MAIN SWITCH
PWM OPERATION CONTINUOUS
vs
MODE
FREE-AIR TEMPERATURE
Figure 4.
Figure 5.
Figure 6.
PWM OPERATION AT LIGHT LOAD
LOAD TRANSIENT RESPONSE
Figure 7.
Figure 8.
Figure 9.
POWER-UP SEQUENCING
SOFT START VO1
VO2 MAXIMUM LOAD CURRENT
Figure 10.
Figure 11.
Figure 12.
9
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