參數(shù)資料
型號： TPS5410QDRQ1
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： SWITCHING REGULATOR, PDSO8
封裝： GREEN, PLASTIC, MS-012AA, SOIC-8
文件頁數(shù)： 9/25頁
文件大?。?/td> 758K
代理商： TPS5410QDRQ1
75
80
85
90
95
100
I
-OutputCurrent- A
O
Efficiency-%
0.6
0
0.2
0.4
1
0.8
1.2
1.4
V =30V
I
V =35V
I
V =20V
I
V =14.5V
I
V =25V
I
26
16
-0.03
-0.02
0.01
0.02
0.03
0
20
24
34
28
36
V -InputVoltage-V
I
OutputV
oltageRegulation-%
-0.01
32
14
18
22
30
I
=0.5 A
O
I
=0 A
O
I
=1 A
O
0.6
0
-0.03
-0.02
0.01
0.02
0.03
0
0.2
0.4
1
0.8
1.2
I
-OutputCurrent- A
O
OutputV
oltageRegulation-%
-0.01
V =14.5V
I
V =20V
I
V =30V
I
V =25V
I
V =36V
I
t -Time-1 s/Div
m
V
=100mV/div(ACCoupled)
IN
V
=10V/div
(PH)
ACCoupled
20MHzBWL
t -Time-1 s/Div
m
V
=20mV/div(ACCoupled)
IN
V
=10V/div
(PH)
ACCoupled
20MHzBWL
t -Time-200 s/Div
m
I =500mA/div
O
V =100mV/div
O
ACCoupled
20MHzBWL
www.ti.com......................................................................................................................................................................................... SLVSA23 – SEPTEMBER 2009
Thermal Calculations
The following formulas show how to estimate the device power dissipation under continuous conduction mode
operations. They should not be used if the device is working at light loads in the discontinuous conduction mode.
Conduction Loss: Pcon = IOUT
2 x Rds(on) x V
OUT / VIN
Switching Loss: Psw = VIN x IOUT x 0.01
Quiescent Current Loss: Pq = VIN x 0.01
Total Loss: Ptot = Pcon + Psw + Pq
Given TA => Estimated Junction Temperature: TJ = TA + Rth x Ptot
Given TJMAX = 125°C => Estimated Maximum Ambient Temperature: TAMAX = TJMAX – Rth x Ptot
PERFORMANCE GRAPHS
The performance graphs in Figure 13 - Figure 20 are applicable to the circuit in Figure 11. TA = 25 °C. unless
otherwise specified.
Figure 13. Efficiency vs. Output
Figure 14. Output Voltage
Figure 15. Output Voltage
Current
Regulation % vs. Output Current
Regulation % vs. Input Voltage
Figure 16. Input Voltage Ripple
Figure 17. Output Voltage Ripple
Figure 18. Transient Response, IO
and PH Node, IO = 1 A
Step 0.25 to 0.75 A
Copyright 2009, Texas Instruments Incorporated
17
Product Folder Link(s): TPS5410-Q1
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相關代理商/技術參數(shù)
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TPS54110 制造商:TI 制造商全稱:Texas Instruments 功能描述:SWIFT Converter Product Portfolio
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TPS54110PWPG4 功能描述:直流/直流開關調(diào)節(jié)器 1.5A Step Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
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