参数资料
型号: TPS54316QPWPRQ1
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 7.5 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO20
封装: GREEN, PLASTIC, HTSSOP-20
文件页数: 18/19页
文件大小: 0K
代理商: TPS54316QPWPRQ1
TPS54311-Q1, TPS54312-Q1
TPS54313-Q1, TPS54314-Q1
TPS54315-Q1, TPS54316-Q1
SGLS242G OCTOBER 2004 REVISED SEPTEMBER 2008
www.ti.com
8
TYPICAL CHARACTERISTICS
Figure 1
0
20
40
60
80
100
120
40
0
25
85
125
IO = 3 A
VI = 3.3 V
TJ Junction Temperature °C
Drain-Source
On-State
Resistance
DRAIN-SOURCE ON-STATE RESISTANCE
vs
JUNCTION TEMPERATURE
Figure 2
0
20
40
60
80
100
40
0
25
85
125
IO = 3 A
VI = 5 V
TJ Junction Temperature °C
Drain-Source
On-State
Resistance
DRAIN-SOURCE ON-STATE RESISTANCE
vs
JUNCTION TEMPERATURE
Figure 3
450
40
0
25
f
Internally
Set
Oscillator
Frequency
kHz
550
INTERNALLY SET OSCILLATOR
FREQUENCY
vs
JUNCTION TEMPERATURE
750
85
125
650
350
250
TJ Junction Temperature °C
FSEL
≥ 2.5 V
FSEL
≤ 0.8 V
Figure 4
400
40
0
25
f
Externally
Set
Oscillator
Frequency
kHz
500
EXTERNALLY SET OSCILLATOR
FREQUENCY
vs
JUNCTION TEMPERATURE
800
85
125
700
300
200
TJ Junction Temperature °C
600
RT = 68 k
RT = 100 k
RT = 180 k
Figure 5
0.889
40
0
25
V
o
ltage
Reference
V
VOLTAGE REFERENCE
vs
JUNCTION TEMPERATURE
0.895
85
125
0.893
0.887
0.885
TJ Junction Temperature °C
0.891
V
ref
Figure 6
0.8850
0.8870
0.8890
0.8910
0.8930
0.8950
34
56
f = 350 kHz
TA = 85°C
VI Input Voltage V
Output
V
oltage
Regulation
V
OUTPUT VOLTAGE REGULATION
vs
INPUT VOLTAGE
V
O
Figure 7
f Frequency Hz
60
40
0
10
100
1 k
10 k 100 k 1 M
Gain
dB
80
100
ERROR AMPLIFIER
OPEN LOOP RESPONSE
140
10 M
120
20
Phase
Degrees
0
20
40
60
80
100
120
140
160
180
200
RL= 10 k,
CL = 160 pF,
TA = 25°C
Phase
Gain
Figure 8
TJ Junction Temperature °C
3.35
3.20
2.90
40
0
25
85
Internal
Slow-Start
Time
ms
3.50
3.65
INTERNAL SLOW-START TIME
vs
JUNCTION TEMPERATURE
125
3.80
3.05
2.75
0
0.25
0.5
0.75
1
1.25
1.5
1.75
2
2.25
01
2
3
4
IL Load Current A
Device
Power
Losses
W
DEVICE POWER LOSSES
vs
LOAD CURRENT
TJ 125°C,
fs = 700 kHz
VI = 3.3 V
VI = 5 V
Figure 9
相关PDF资料
PDF描述
TPS54315QPWPRQ1 7.5 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO20
TPS54313QPWPRQ1 7.5 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO20
TPS54311QPWPRQ1 7.5 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO20
TPS60130PWPRG4 0.3 A SWITCHED CAPACITOR REGULATOR, 450 kHz SWITCHING FREQ-MAX, PDSO20
TPS60132PWP 0.15 A SWITCHED CAPACITOR REGULATOR, 450 kHz SWITCHING FREQ-MAX, PDSO20
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