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參數(shù)資料
| 型號： | S-8352D30MC-K8P-T2 |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.3 A SWITCHING CONTROLLER, 110 kHz SWITCHING FREQ-MAX, PDSO5 |
| 封裝： | SOT-23, 5 PIN |
| 文件頁數(shù)： | 1/50頁 |
| 文件大?。?/td> | 635K |
| 代理商： | S-8352D30MC-K8P-T2 |
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Rev.1.2_00
STEP-UP, SUPER-SMALL PACKAGE, 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 to 6.5 V (A, B, and C type)
Selectable in 0.1 V steps between 1.5 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)
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
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| S-8353H20MC-IWFT2G | 0.3 A SWITCHING REGULATOR, 287.5 kHz SWITCHING FREQ-MAX, PDSO5 |
| S-8355Q34BD-OWT-TF | 0.08 A SWITCHING CONTROLLER, 690 kHz SWITCHING FREQ-MAX, PDSO6 |
| S-8520E53MC-BKM-T2 | 0.05 A SWITCHING CONTROLLER, 375 kHz SWITCHING FREQ-MAX, PDSO5 |
| S-8520E47MC-BKG-T2 | 0.05 A SWITCHING CONTROLLER, 375 kHz SWITCHING FREQ-MAX, PDSO5 |
| S-8520E35MC-BJU-T2 | 0.05 A SWITCHING CONTROLLER, 375 kHz SWITCHING FREQ-MAX, PDSO5 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S-8352D30MC-K8PT2G | 功能描述:DC/DC 開關(guān)控制器 Step-Up SWR PFM 100kHz 23.2uA Iq 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 安裝風格: 封裝 / 箱體:CPAK |
| S-8352D33MC-K8ST2G | 功能描述:DC/DC 開關(guān)控制器 Step-Up SWR PFM 100kHz 23.2uA Iq 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 安裝風格: 封裝 / 箱體:CPAK |
| S-8352D60MC-K9TT2U | 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 輸出類型:晶體管驅(qū)動器 功能:升壓 輸出配置:正 拓撲:升壓 輸出數(shù):1 輸出階段:1 電壓 - 電源（Vcc/Vdd）:0.9 V ~ 10 V 頻率 - 開關(guān):100kHz 占空比（最大）:0.8 同步整流器:無 時鐘同步:無 串行接口:- 控制特性:- 工作溫度:-40°C ~ 85°C（TA） 封裝/外殼:SC-74A，SOT-753 供應商器件封裝:SOT-23-5 標準包裝:1 |
| S-8353A20MC-IQFT2G | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Step-Up SWR PWM 18.7uA Iq RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)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(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| S-8353A25MC-IQK-T2 | 功能描述:DC/DC 開關(guān)控制器 2.5V 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 安裝風格: 封裝 / 箱體:CPAK |
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