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參數資料
型號: TPS54160DGQ
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩壓器
英文描述: 2.7 A SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, PDSO10
封裝: GREEN, PLASTIC, MSOP-10
文件頁數: 7/50頁
文件大小: 1375K
代理商: TPS54160DGQ
EN
Ihys
VIN
+
-
TPS54160
R 1
R 2
VOUT
R3
I1
0.9
A
m
2.9
A
m
1.25V
START
STOP
OUT
HYS
V
R1
V
I
R3
-
=
+
ENA
START
ENA
1
V
R2
V
I
R1
R3
=
-
+ -
VIN
R1
R2
Node
5.8V
10kohm
ENA
www.ti.com
SLVS795C – OCTOBER 2008 – REVISED OCTOBER 2010
DETAILED DESCRIPTION (continued)
Another technique to add input voltage hysteresis is shown in Figure 29. This method may be used, if the
resistance values are high from the previous method and a wider voltage hysteresis is needed. The resistor R3
sources additional hysteresis current into the EN pin.
Figure 29. Adding Additional Hysteresis
(4)
(5)
Do not place a low-impedance voltage source with greater than 5 V directly on the EN pin. Do not place a
capacitor directly on the EN pin if VEN > 5 V when using a voltage divider to adjust the start and stop voltage.
The node voltage, (see Figure 30) must remain equal to or less than 5.8 V. The zener diode can sink up to 100
A. The EN pin voltage can be greater than 5 V if the VIN voltage source has a high impedance and does not
source more than 100 A into the EN pin.
Figure 30. Node Voltage
Copyright 2008–2010, Texas Instruments Incorporated
15
Product Folder Link(s): TPS54160
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相關代理商/技術參數
參數描述
TPS54160DGQG4 功能描述:直流/直流開關調節器 3.5-60V,1.5A Step Down SWIFT 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
TPS54160DGQR 功能描述:直流/直流開關調節器 3.5-60V 1.5A Step Down SWIFT 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
TPS54160DGQRG4 功能描述:直流/直流開關調節器 3.5-60V,1.5A Step Down SWIFT 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
TPS54160DRCR 制造商:TI 制造商全稱:Texas Instruments 功能描述:1.5-A, 60-V, STEP-DOWN SWIFT DC/DC CONVERTER WITH ECO-MODE
TPS54160DRCT 制造商:TI 制造商全稱:Texas Instruments 功能描述:1.5-A, 60-V, STEP-DOWN SWIFT DC/DC CONVERTER WITH ECO-MODE
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