參數(shù)資料
型號： TPS54320RHL
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： SWITCHING REGULATOR, PQCC14
封裝： 3.50 X 3.50 MM, GREEN, PLASTIC, QFN-14
文件頁數(shù)： 11/39頁
文件大?。?/td> 1358K
代理商： TPS54320RHL
VOUT
RESR
CO
R L
VC
gm ps
VOUT
RESR
CO
RL
VC
gm ps
fp
fz
Adc
s
1+
2
z
VOUT
= Adc
VC
s
1+
2
p
÷
è
÷
è
p
ps
L
Adc = gm
R
O
L
1
p =
C
R
2
p
O
ESR
1
z =
C
R
2
p
www.ti.com
SLVS982A – AUGUST 2010 – REVISED SEPTEMBER 2010
Figure 31. Simplified Small Signal Model for Peak Current Mode Control
Figure 32. Simplified Frequency Response for Peak Current Mode Control
(10)
(11)
(12)
(13)
Where
gmea is the GM amplifier gain (1300mA/V)
gmps is the power stage gain (12A/V).
RL is the load resistance
CO is the output capacitance.
RESR is the equivalent series resistance of the output capacitor.
Copyright 2010, Texas Instruments Incorporated
19
Product Folder Link(s) :TPS54320
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS54320RHLR 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 4.5-17V Inp3A Sync Step Down Cnvrtr RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
TPS54320RHLT 功能描述:直流/直流開關(guān)調(diào)節(jié)器 4.5-17V Inp3A Sync Step Down Cnvrtr RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)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(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS54320RHLT 制造商:Texas Instruments 功能描述:IC SYNC STEP-DOWN CONTROLLER 1.2MHZ Q 制造商:Texas Instruments 功能描述:IC, SYNC STEP-DOWN CONTROLLER, 1.2MHZ, QFN-14
TPS54325 制造商:TI 制造商全稱:Texas Instruments 功能描述:4.5-V to 18-V, 3-A OUTPUT SYNCHRONOUS STEP DOWN SWITCHER WITH INTEGRATED FET (SWIFT?)
TPS54325_10 制造商:TI 制造商全稱:Texas Instruments 功能描述:4.5-V to 18-V, 3-A OUTPUT SYNCHRONOUS STEP DOWN SWITCHER WITH INTEGRATED FET (SWIFT?)
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