參數(shù)資料
型號: TPS51511RHLT
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, 350 kHz SWITCHING FREQ-MAX, PQCC20
封裝: ROHS COMPLIANT, PLASTIC, QFN-20
文件頁數(shù): 28/29頁
文件大?。?/td> 1019K
代理商: TPS51511RHLT
www.ti.com
60
80
100
120
140
-50
0
50
100
150
V
,V
-Threshold-%
O
VP
U
VP
V
OVP
V
UVP
T -JunctionTemperature-°C
J
0
50
100
150
200
250
300
350
400
450
4
8
12
16
20
24
28
V -InputVoltage-V
I
f
-SwitchingFrequency-kHz
SW
I
=5 A,
V =4V-28V,
V
=1.2V
OSW
I
O
V =12V,
V
=1.2V
I
O
0
50
100
150
200
250
300
350
400
450
0
2
4
6
8
10
I
-OutputCurrent- A
O
f
-SwitchingFrequency-kHz
SW
I
=1mA -10 A,
V =12V,
V
=1.2V
VOSW
I
O
1.180
1.185
1.190
1.195
1.2
1.205
1.210
1.215
1.220
0
2
4
6
8
10
I
-OutputCurrent- A
O
V
-OutputV
oltage-V
O
1.14
1.15
1.16
1.17
1.18
1.19
1.2
1.21
0
0.5
1
1.5
2
I -LoadCurrents- A
L
V
=1.5V
LDOIN
V
-OutputV
oltage-V
O
T
=-40°C
A
T
=85°C
A
T
=25°C
A
1.160
1.170
1.180
1.190
1.2
1.210
1.220
1.230
1.240
4
8
12
16
20
24
28
V -InputVoltage-V
I
V
-OutputV
oltage-V
O
V =4V-28V,
V
=1.2V
I
O
SLVS735A – FEBRUARY 2007 – REVISED APRIL 2007
TYPICAL CHARACTERISTICS (continued)
OVP, UVP THRESHOLD vs TEMPERATURE
SWITCHING FREQUENCY vs INPUT VOLTAGE
Figure 7.
Figure 8.
SWITCHING FREQUENCY vs OUTPUT CURRENT
VOSW LOAD REGULATION
Figure 9.
Figure 10.
VOSW LINE REGULATION
LDO LOAD REGULATION AT 1.5V INPUT
Figure 11.
Figure 12.
8
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