參數(shù)資料
型號(hào)： S-8355Q34BD-OWT-TF
元件分類： 穩(wěn)壓器
英文描述： 0.08 A SWITCHING CONTROLLER, 690 kHz SWITCHING FREQ-MAX, PDSO6
封裝： SNB-6
文件頁(yè)數(shù)： 1/77頁(yè)
文件大?。?/td> 836K
代理商： S-8355Q34BD-OWT-TF
S-8355/56/57/58 Series
www.sii-ic.com
STEP-UP, SUPER-SMALL PACKAGE, 600 kHz, PWM CONTROL or
PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
Seiko Instruments Inc., 2002-2010
Rev.7.0_00
Seiko Instruments Inc.
1
The S-8355/56/57/58 Series is a CMOS step-up switching regulator controller which mainly consists of a reference voltage
source, an oscillation circuit, an error amplifier, a phase compensation circuit, a PWM control circuit (S-8355/57 Series) and
a PWM/PFM switching control circuit (S-8356/58 Series).
With an external low-ON-resistance Nch Power MOS, this product is ideal for applications requiring high efficiency and a
high output current.
The S-8355/57 Series realizes low ripple, high efficiency, and excellent transient characteristics due to its PWM control
circuit whose duty ratio can be varied linearly from 0 to 83% (from 0 to 78% for 250 kHz, 300 kHz, and 600 kHz models), an
excellently designed error amplifier and a phase compensation circuits.
S-8356/58 Series features a PWM/PFM switching controller that can switch the operation to a PFM controller with a duty
ratio is 15% under a light load to prevent a decline in the efficiency due to the IC operating current.
Features
Low voltage operation : Startup at 0.9 V min. (IOUT = 1 mA) guaranteed
Low current consumption : During operation 25.9
μA (3.3 V, 100 kHz, typ.)
During shutdown 0.5
μA (max.)
Duty ratio : Built-in PWM/PFM switching control circuit (S-8356/58 Series)
15 to 83% (100 kHz models)
15 to 78% (250 kHz, 300 kHz, and 600 kHz models)
External parts : Coil, diode, capacitor, and transistor
Output voltage : Selectable in 0.1 V steps between 1.5 and 6.5 V (for VDD / VOUT separate types)
Selectable in 0.1 V steps between 2.0 and 6.5 V (for other than VDD / VOUT separate types)
Output voltage accuracy :
±2.4%
Oscillation frequency : 100 kHz, 250 kHz, 300 kHz, 600 kHz selectable
Soft start function : 6 ms (100 kHz, typ.)
Shutdown function
Lead-free, Sn 100%, halogen-free
*1
*1. Refer to “
Product Name Structure” for details.
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, VCRs, and communications devices
Power supplies for microcomputers
Packages
SOT-23-3
SOT-23-5
SOT-89-3
6-Pin SNB(B)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
S-8355Q34BD-OWT-TFG 制造商:Seiko Instruments Inc (SII) 功能描述:DC DC CNTRLR SGL-OUT W/ PWM DC TO DC CNTRLR/STEP UP 10V 6PIN - Tape and Reel 制造商:Seiko Instruments Inc (SII) 功能描述:IC REG CTRLR BST PWM 6-SNB
S-8355Q34MC-OWTT2G 功能描述:DC/DC 開關(guān)控制器 Step-Up SWR PWM 25.9uA 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(fēng)格: 封裝 / 箱體:CPAK
S-8355Q45MC-OXET2G 功能描述:DC/DC 開關(guān)控制器 STEP-UP SWR PWM 25.9UA 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(fēng)格: 封裝 / 箱體:CPAK
S-8355Q50BD-OXJ-TFG 制造商:Seiko Instruments Inc (SII) 功能描述:DC DC CNTRLR SGL-OUT W/ PWM DC TO DC CNTRLR/STEP UP 10V 6PIN - Tape and Reel 制造商:Seiko Instruments Inc (SII) 功能描述:IC REG CTRLR BST PWM 6-SNB
S-8355Q50MC-OXJT2G 功能描述:DC/DC 開關(guān)控制器 Step-Up SWR PWM 25.9uA 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(fēng)格: 封裝 / 箱體:CPAK
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