參數(shù)資料
型號: TPS56221DQPT
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, PDSO22
封裝: ROHS COMPLIANT, PLASTIC, SON-22
文件頁數(shù): 24/25頁
文件大小: 655K
代理商: TPS56221DQPT
70
72
74
76
78
80
82
40 25 10
5
20
35
50
65
80
95
110 125
Junction Temperature (°C)
Shutdown
Current
(A)
VVDD = 12 V
2.38
2.39
2.40
2.41
2.42
2.43
2.44
40 25 10
5
20
35
50
65
80
95
110 125
Junction Temperature (°C)
Quiescent
Current
(mA)
VVDD = 12 V
9.6
9.7
9.8
9.9
10.0
10.1
10.2
10.3
10.4
10.5
40 25 10
5
20
35
50
65
80
95
110 125
Junction Temperature (°C)
SoftStart
Source
Current
(A)
725
750
775
800
825
850
875
900
925
950
975
40 25 10
5
20
35
50
65
80
95
110 125
Junction Temperature (°C)
SoftStart
Voltage
Level
(mV)
3.5
4.0
4.5
5.0
5.5
6.0
40 25 10
5
20
35
50
65
80
95
110 125
Junction Temperature (°C)
HighSide
OnResistance
(
m
)
VVDD = 4.5 V
VVDD = 12 V
1.7
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5
40 25 10
5
20
35
50
65
80
95
110 125
Junction Temperature (°C)
LowSide
OnResistance
(
m
)
VVDD = 4.5 V
VVDD = 12 V
SLUSAH5
– MARCH 2011
TYPICAL CHARACTERISTICS (continued)
Figure 7. Shutdown Current vs. Junction Temperature
Figure 8. Quiescent Current vs. Junction Temperature
Figure 9. Soft-Start Source vs. Junction Temperature
Figure 10. Soft-Start Voltage Level vs. Junction
Temperature
Figure 11. High-Side On Resistance vs. Junction
Figure 12. Low-Side On Resistance vs. Junction
Temperature
8
Copyright
2011, Texas Instruments Incorporated
Product Folder Link(s) :TPS56221
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