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參數(shù)資料
| 型號： | S-8351A28MC-J2NT2G |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING REGULATOR, 110 kHz SWITCHING FREQ-MAX, PDSO5 |
| 封裝： | LEAD FREE, SOT-23, 5 PIN |
| 文件頁數(shù)： | 1/50頁 |
| 文件大?。?/td> | 630K |
| 代理商： | S-8351A28MC-J2NT2G |
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Rev.2.4_00
STEP-UP, BUILT-IN / EXTERNAL FET PFM CONTROL
SWITCHING REGULATOR / SWITCHING REGULATOR CONTROLLER S-8351/8352 Series
Seiko Instruments Inc.
1
The S-8351/8352 Series is a CMOS step-up switching regulator controller
which mainly consists of a reference voltage source, an oscillation circuit,
a comparator and PFM control circuit. The PFM control circuit allows the
duty ratio to be automatically switched according to the load (at light load :
50%, at high output current : 75%), enabling products with a low ripple
over a wide range, high efficiency, and high output current (A, B, and D
type). Products with a fixed duty ratio of 75% are also available (C type).
The S-8351 Series can configure a step-up switching regulator with an
external coil, capacitor, and diode. A protection circuit turns off the built-
in MOS FET when the voltage at the CONT pin exceeds the limit to
prevent it from being damaged. In addition to the above features, the
small package and low current consumption, makes the S-8351 Series
ideal for applications such as the power supply unit of portable equipment.
The S-8352 Series, which features an external transistor, is suitable for
applications requiring a high output current.
Features
Low voltage operation : Startup at 0.9 V min. (IOUT = 1 mA) guaranteed
Low current consumption : During operation 23.2
A (VOUT = 3.3 V, typ.)
During shutdown 0.5
A (max.)
Duty ratio : 50 % / 75 % built-in auto-switching-type PFM control circuit (A, B, and D type)
75 % built-in fixed-type PFM control circuit (C type)
External parts : Coil, capacitor, and diode
Output voltage : Selectable in 0.1 V steps between 2.0 V to 6.5 V (A, B, and C type)
Selectable in 0.1 V steps between 1.5 V to 6.5 V (D type)
Output voltage accuracy :
±2.4%
Shutdown function (A type)
VDD / VOUT separate type (D type)
External transistor type available (S-8352 Series)
Lead-free products
Applications
Power supplies for portable equipment such as digital cameras, electronic notebooks, and PDAs
Power supplies for audio equipment such as portable CD / MD players
Constant voltage power supplies for cameras, video equipment, and communications equipment
Power supplies for microcomputers
Packages
Drawing Code
Package Name
Package
Tape
Reel
SOT-23-3
MP003-A
SOT-23-5
MP005-A
SOT-89-3
UP003-A
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S-8351A30MC-J2P-T2 | 功能描述:DC/DC 開關(guān)控制器 3.0V Step-Up 2.4% RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| S-8351A30MC-J2PT2G | 功能描述:DC/DC 開關(guān)控制器 3.0V Step-Up 2.4% RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| S-8351A30MC-J2PT2U | 功能描述:IC REG CTRLR BOOST SOT23-5 制造商:ablic u.s.a. inc. 系列:- 包裝:剪切帶（CT） 零件狀態(tài):在售 功能:升壓 輸出配置:正 拓?fù)?升壓 輸出類型:固定 輸出數(shù):1 電壓 - 輸入（最小值）:0.9V 電壓 - 輸入（最大值）:10V 電壓 - 輸出（最小值/固定）:3V 電壓 - 輸出（最大值）:- 電流 - 輸出:300mA（開關(guān)） 頻率 - 開關(guān):100kHz 同步整流器:無 工作溫度:-40°C ~ 85°C（TA） 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商器件封裝:SOT-23-5 標(biāo)準(zhǔn)包裝:1 |
| S-8351A33MC-J2S-T2 | 功能描述:DC/DC 開關(guān)控制器 3.3V Step-Up 2.4% RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| S-8351A33MC-J2ST2G | 功能描述:DC/DC 開關(guān)控制器 3.3V Step-Up 2.4% RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
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