參數(shù)資料
型號(hào)： S-8340B00AFT-T2-U
元件分類： 穩(wěn)壓器
英文描述： SWITCHING CONTROLLER, 690 kHz SWITCHING FREQ-MAX, PDSO8
封裝： HALOGEN FREE AND LEAD FREE, TSSOP-8
文件頁(yè)數(shù)： 54/55頁(yè)
文件大?。?/td> 740K
代理商： S-8340B00AFT-T2-U
STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
S-8340/8341 Series
Rev.4.0_00
Seiko Instruments Inc.
8
External parts
Coil :
Sumida Corporation CD54 (10
μH)
Diode :
Matsushita Electronic Industrial Co., Ltd. MA735 (Schottky type)
Capacitor :
Nichicon Corporation F93 (16 V, 47
μF, tantalum type)
Transistor :
Sanyo Electric Co., Ltd. 2SD1628G
Base resistor (Rb) :
1.0 k
Ω
Base capacitor (Cb) : 2200 pF (ceramic type)
CVREF :
0.01
μF
CSS :
4700 pF
The VDD pin is connected to the VOUT pin.
The ON/OFF pin is connected to the VOUT pin unless otherwise specified.
Connect the SENSE pin to the VSS pin.
*1. VOUT(S) : Set output voltage value
VOUT(E) : Actual output voltage value : Output voltage value when IOUT = VOUT(S)/50 Ω and VIN = VOUT(S) × 0.6.
*2. The change of output voltage with temperature [mV/
°C] is calculated from the following formula.
ΔVOUT
ΔTa VOUT
[mV/
°C]
ΔVOUT
ΔTa
VOUT(S) [V]
=
×
[ppm/
°C] ÷ 1000
(Change of output voltage
(Set output voltage (Output voltage temperature
with temperature)
value)
coefficient)
Caution The S-8340/8341 Series steps up from VDD = 0.9 V. However, 2.5 V or more for VDD is recommended to
stabilize the output voltage and oscillation frequency. If VDD is taken from VIN or other power sources,
instead of VOUT, VDD should be 2.5 V or more. However, if VDD is not taken from VOUT, note that the output
voltage accuracy of
±2.0% is not guaranteed due to dependency of output voltage on VDD. In particular,
accuracy of output voltage is degraded significantly when the VDD voltage is 6.0 V or more. Therefore, do
not use this IC when the VDD voltage is 6.0 V or more. If VDD of 2.5 V or more is applied, increase power
supply so that VDD becomes 2.5 V or more within the soft-start time (3.0 ms).
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
S-8340C25AFT-T2 功能描述:DC/DC 開(kāi)關(guān)控制器 2.5V Step-Up 2.0% RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)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-8340C25AFT-T2-G 功能描述:DC/DC 開(kāi)關(guān)控制器 2.5V Step-Up 2.0% RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)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-8340C30AFT-T2 功能描述:DC/DC 開(kāi)關(guān)控制器 3.0V Step-Up 2.0% RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)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-8340C30AFT-T2-G 功能描述:DC/DC 開(kāi)關(guān)控制器 3.0V Step-Up 2.0% RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)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-8340C33AFT-T2 功能描述:DC/DC 開(kāi)關(guān)控制器 3.3V Step-Up 2.0% RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)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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