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參數(shù)資料
| 型號： | S-1137D35-U5T1U |
| 元件分類： | 固定正電壓單路輸出LDO穩(wěn)壓器 |
| 英文描述： | 3.5 V FIXED POSITIVE LDO REGULATOR, 0.31 V DROPOUT, PDSO5 |
| 封裝： | HALOGEN AND LEAD FREE, SOT-89, 5 PIN |
| 文件頁數(shù)： | 10/47頁 |
| 文件大?。?/td> | 500K |
| 代理商： | S-1137D35-U5T1U |
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HIGH RIPPLE-REJECTION LOW DROPOUT SOFT-START FUNCTION CMOS VOLTAGE REGULATOR
S-1137 Series
Rev.2.0_01
Seiko Instruments Inc.
18
Operation
1.
Basic operation
Figure 16 shows the block diagram of S-1137 Series.
The error amplifier compares the reference voltage (Vref) with Vfb, which is the output voltage resistance-divided by
feedback resistors Rs and Rf. It supplies the gate voltage necessary to maintain the constant output voltage which is
not influenced by the input voltage and temperature change, to the output transistor.
*1
*1.
Parasitic diode
VSS
Current
supply
+
Vfb
Vref
VIN
VOUT
Rf
Rs
Error
amplifier
Reference voltage
circuit
Figure 16
2.
Output transistor
In the S-1137 Series, a low on-resistance P-channel MOS FET is used as the output transistor.
Be sure that VOUT does not exceed VIN + 0.3 V to prevent the voltage regulator from being damaged due to inverse
current flowing from the VOUT pin through a parasitic diode to the VIN pin.
相關(guān)PDF資料 |
PDF描述 |
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| S-1165B15MC-N6A-TF | 5.5 V FIXED POSITIVE LDO REGULATOR, 0.3 V DROPOUT, PDSO5 |
| S-1165B18MC-N6D-TF | 1.8 V FIXED POSITIVE LDO REGULATOR, 0.3 V DROPOUT, PDSO5 |
| S-1165B27MC-N6M-TF | 2.7 V FIXED POSITIVE LDO REGULATOR, 0.2 V DROPOUT, PDSO5 |
| S-1165B29MC-N6O-TF | 2.9 V FIXED POSITIVE LDO REGULATOR, 0.2 V DROPOUT, PDSO5 |
| S-1165B33MC-N6S-TF | 3.3 V FIXED POSITIVE LDO REGULATOR, 0.2 V DROPOUT, PDSO5 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S1138 | 制造商:LAPP/CONTACT CONNECTORS 功能描述:CONNECTOR, STRAIN RELIEF, LIQUID TIGHT, NON METALLIC, NPT-3/8 INCH THREAD, GREY |
| S113B | 制造商:Switchcraft 功能描述: |
| S114 | 功能描述:撥動開關(guān) DPST ON NONE OFF 5A RoHS:否 制造商:C&K Components 觸點(diǎn)形式:DPDT 開關(guān)功能:ON - ON - ON 電流額定值: 電壓額定值 AC:20 V 電壓額定值 DC:20 V 功率額定值:0.4 VA 端接類型:V-Bracket 安裝風(fēng)格: 端子密封:Epoxy 觸點(diǎn)電鍍:Gold 照明:Not Illuminated |
| S-114 | 制造商:Nihon Kaiheiki Ind Co Ltd 功能描述:30V 30000(@BIv) / 15000(dCIv) bL +85 -30 27.8mm 17.6mm 45.4mm Bulk 制造商:Nihon Dempa Kogyo Co (NDK) 功能描述:Switch, toggle, solder terminal, 5A typ |
| S-1-1-4 | 制造商:Cooper Bussmann 功能描述:FUSE 1.25A 125V TIME DLY ACTING 2PIN - Bulk |
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