參數(shù)資料
型號： S-1312D21-M5T1U3
元件分類： 固定正電壓單路輸出LDO穩(wěn)壓器
英文描述： FIXED POSITIVE LDO REGULATOR, PDSO5
封裝： HALOGEN FREE AND LEAD FREE, SOT-23, 5 PIN
文件頁數(shù)： 15/41頁
文件大?。?/td> 523K
代理商： S-1312D21-M5T1U3
LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
S-1312 Series
Rev.1.1_00
Seiko Instruments Inc.
22
Precautions
Wiring patterns for the VIN, VOUT and GND pins should be designed so that the impedance is low. When mounting
an output capacitor between the VOUT and VSS pins (CL) and the capacitor for stabilizing the input between the VIN
and VSS pins (CIN), the distance from the capacitors to these pins should be as short as possible.
Note that the output voltage may increase when a series regulator is used at low load current (1.0 mA or less).
Note that the output voltage may increase due to the leakage current from a driver when a series regulator is used at
high temperature.
Note that the output voltage may increase due to the leakage current from a driver even if the ON / OFF pin is at the
power-off level when a series regulator is used at a high temperature.
Generally a series regulator may cause oscillation, depending on the selection of external parts. The following
conditions are recommended for this IC. However, be sure to perform sufficient evaluation under the actual usage
conditions for selection, including evaluation of temperature characteristics. See “5. Example of Equivalent Series
Resistance vs. Output Current Characteristics (Ta
= +25°C)” in “ Reference Data” for the equivalent series
resistance (RESR) of the output capacitor.
Input capacitor (CIN) :
0.22
μF or more
Output capacitor (CL) :
0.22
μF or more
The voltage regulator may oscillate when the impedance of the power supply is high and the input capacitor is small or
an input capacitor is not connected.
If the output capacitance is small, power supply’s fluctuation and the characteristics of load fluctuation become worse.
Sufficiently evaluate the output voltage’s fluctuation with the actual device.
A momentary overshoot may be output when the power supply suddenly increases, and the output capacitance is
small. It is therefore important to sufficiently evaluate the output voltage at power application in actual device.
The application conditions for the input voltage, output voltage, and load current should not exceed the package power
dissipation.
Do not apply an electrostatic discharge to this IC that exceeds the performance ratings of the built-in electrostatic
protection circuit.
In determining the output current, attention should be paid to the output current value specified in Table 10 in “
Electrical Characteristics” and footnote *5 of the table.
SII claims no responsibility for any disputes arising out of or in connection with any infringement by products including
this IC of patents owned by a third party.
相關(guān)PDF資料
PDF描述
S-1312D21-A4T1U3 FIXED POSITIVE LDO REGULATOR, PDSO4
S-1312C20-A4T1U3 FIXED POSITIVE LDO REGULATOR, PDSO4
S-1312A11-A4T1U3 FIXED POSITIVE LDO REGULATOR, PDSO4
S-1312A11-M5T1U3 FIXED POSITIVE LDO REGULATOR, PDSO5
S-1312B16-A4T1U3 FIXED POSITIVE LDO REGULATOR, PDSO4
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
S-1312D22-A4T1U3 制造商:Seiko Instruments Inc (SII) 功能描述:150MA VOLT REG ULTRA LOW IQ
S-1312D25-A4T1U3 功能描述:IC REG LINEAR 150MA HSNT4-A 制造商:ablic u.s.a. inc. 系列:* 包裝:剪切帶（CT） 零件狀態(tài):在售 安裝類型:表面貼裝 封裝/外殼:4-SMD，扁平引線裸焊盤 供應(yīng)商器件封裝:HSNT-4-A 標(biāo)準(zhǔn)包裝:1
S-1312D25-A4T2U3 功能描述:IC REG LINEAR 150MA HSNT4-B 制造商:ablic u.s.a. inc. 系列:* 包裝:剪切帶（CT） 零件狀態(tài):在售 安裝類型:表面貼裝 封裝/外殼:4-SMD，扁平引線裸焊盤 供應(yīng)商器件封裝:HSNT-4-B 標(biāo)準(zhǔn)包裝:1
S-1312D25-M5T1U3 制造商:Seiko Instruments Inc (SII) 功能描述:150MA VOLT REG ULTRA LOW IQ
S-1312D26-A4T1U3 制造商:Seiko Instruments Inc (SII) 功能描述:150MA VOLT REG ULTRA LOW IQ
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