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參數資料
| 型號： | TPS54550PWP |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 9.5 A SWITCHING REGULATOR, 700 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | GREEN, PLASTIC, HTSSOP-16 |
| 文件頁數： | 9/31頁 |
| 文件大?。?/td> | 913K |
| 代理商： | TPS54550PWP |
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www.ti.com
0.015x16
0.120
0.0256
0.230
0.040
0.134
0.197
0.040
0.050
0.013DIA
8PL
Minimumrecommendedexposedcopper
areaforPowerPAD.Somestencilsmay
require10percentlargerarea.
ConnectPin10 AGNDandPin11PGND
to AnalogGroundplaneinthisareafor
optimumperformance.
Minimumrecommendedtop
side AnalogGroundarea.
Minimumrecommendedthermalvias:4x0.013dia.Inside
exposedPowerPADareaand4x0.013dia.Underdeviceas
shown. Additionalviasmaybeusediftopsidegroundareaisextended.
0.080
MODEL FOR LOOP RESPONSE
SLVS623A – MARCH 2006 – REVISED APRIL 2006
Figure 27. Thermal Considerations for PowerPAD Layout
The feed forward gain is modeled as an ideal
voltage- controlled voltage source with a gain of 8
V/V. The 1-mV ac voltage between nodes a and b
Figure 28 shows an equivalent model for the
effectively breaks the control loop for the frequency
TPS54550 control loop which can be modeled in a
response measurements. Plotting b/c shows the
circuit
simulation
program
to
check
frequency
small-signal response of the power stage. Plotting
response and dynamic load response. The error
c/a shows the small-signal response of the frequency
amplifier in the TPS54550 is a voltage amplifier with
compensation. Plotting a/b shows the small-signal
80 dB (10000 V/V) of open-loop gain. The error
response of the overall loop. The dynamic load
amplifier
can
be
modeled
using
an
ideal
response can be checked by replacing the RL with a
voltage-controlled
current
source
as
shown
in
current
source
with
the
appropriate
load
step
Figure 28 with a resistor and capacitor on the output.
amplitude and step rate in a time domain analysis.
The TPS54550 device has an integrated feed
forward compensation circuit which eliminates the
impact of the input voltage changes to the overall
loop transfer function.
17
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS54550PWP | 制造商:Texas Instruments 功能描述:PWM SWITCHER FET 6A O/P HTSSOP16 制造商:Texas Instruments 功能描述:PWM SWITCHER, FET 6A O/P, HTSSOP16 制造商:Texas Instruments 功能描述:PWM SWITCHER, FET 6A O/P, HTSSOP16; Primary Input Voltage:20V; No. of Outputs:1; Output Voltage:12V; Output Current:6A; Voltage Regulator Case Style:HTSSOP; No. of Pins:16; Operating Temperature Min:-40C; Operating Temperature ;RoHS Compliant: Yes |
| TPS54550PWPG4 | 功能描述:直流/直流開關調節(jié)器 4.5 to 20V Input 6A Step Down 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 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS54550PWPR | 功能描述:開關變換器、穩(wěn)壓器與控制器 4.5 to 20V Input 6A Step Down RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| TPS54550PWPR/2801 | 功能描述:直流/直流開關調節(jié)器 4.5-20Vin,5A Sync SD 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 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS54550PWPRG4 | 功能描述:開關變換器、穩(wěn)壓器與控制器 4.5 to 20V Input 6A Step Down RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
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