參數(shù)資料
型號(hào): TPS51020DBTR
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: DUAL SWITCHING CONTROLLER, 450 kHz SWITCHING FREQ-MAX, PDSO30
封裝: GREEN, PLASTIC, TSSOP-30
文件頁數(shù): 13/29頁
文件大小: 672K
代理商: TPS51020DBTR
TPS51020
SLUS564C JULY 2003 REVISED OCTOBER 2008
20
www.ti.com
TYPICAL CHARACTERISTICS
Figure 8
0.5
0
50
100
150
50
1.0
2.0
1.5
2.5
I VIN
Input
Supply
Current
mA
TJ Junction Temperature °C
SUPPLY CURRENT
vs
JUNCTION TEMPERATURE
VVIN = 12 V
Figure 9
0
50
100
150
50
20
100
80
140
40
60
120
SHUTDOWN CURRENT
vs
JUNCTION TEMPERATURE
I VIN(SHTDWN)
Shutdown
Current
nA
TJ Junction Temperature °C
VENBLx VDDR = 0 V
REG5V_IN = Open
Figure 10
TJ Junction Temperature °C
0
5
20
10
25
15
TRIP CURRENT
vs
JUNCTION TEMPERATURE
I TRIPSINK
TRIP1
Sink
Current
A
VTRIP VVIN = 0.1 V
0
50
100
150
50
Figure 11
2.10
0
50
100
150
50
2.15
2.20
2.25
2.30
2.35
2.40
2.45
2.50
SOFTSTART CURRENT
vs
JUNCTION TEMPERATURE
TJ Junction Temperature °C
I SSQ
SSRTx
Charge
Current
A
VVIN = 12 V
VSSTRTx =1V
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