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SI9118_V01中文资料PDF规格书
SI9118_V01规格书详情
FEATURES
• 10 to 200 V Input Range
• Current-Mode Control
• Internal Start-Up Circuit
• Buffer Slope Compensation Voltage
• Soft-Start
• 2.7 MHz Error Amp
• 500 mA Output Drive Current
• Light Load Frequency Fold-Back
• Low Quiescent Current
• Programmable Maximum Duty Cycle, with 80 as
Default
DESCRIPTION
The Si9118/Si9119 are a BiC/DMOS current-mode pulse
width modulation (PWM) controller ICs for high-frequency
dc/dc converters. Single-ended topologies (forward and
flyback) can be implemented at frequencies up to 1 MHz.
The controller operates in constant frequency mode during
the full load and automatically switches to pulse skipping
mode under light load to maintain high efficiency throughout
the full load range. The maximum duty cycle is easily
programmed with a resistor divider for optimum control.
The push-pull output driver provides high-speed switching to
external MOSPOWER devices large enough to supply 50 W
of output power. Shoot-through current for internal push-pull
stage is almost eliminated to minimize quiescent supply
current.
The push-pull output driver provides high-speed switching to
external MOSPOWER devices large enough to supply 50 W
of output power. Shoot-through current for internal push-pull
stage is almost eliminated to minimize quiescent supply
current.
The high-voltage DMOS transistor permits direct operation
from bus voltages of up to 200 V. Other features include a
1.5 accurate voltage reference, 2.7 MHz bandwidth error
amplifier, standby mode, soft-start and undervoltage lockout
circuits.
The Si9118/Si9119 are available in both standard and lead
(Pb)-free packages.
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
VISHAY |
2018+ |
SOP16 |
6000 |
全新原装正品现货,假一赔佰 |
询价 | ||
VISHAY/威世 |
23+ |
NA/ |
3750 |
原厂直销,现货供应,账期支持! |
询价 | ||
DLZ |
22+ |
SOP16 |
354000 |
询价 | |||
SI |
22+ |
SOP |
5000 |
只做原装,假一赔十 15118075546 |
询价 | ||
VishaySiliconix |
23+ |
16-SOIC |
66800 |
原厂原装现货 |
询价 | ||
VISHAY/威世 |
23+ |
SOP16 |
90000 |
只做原厂渠道价格优势可提供技术支持 |
询价 | ||
VISHAY/威世 |
2022 |
SOP16 |
80000 |
原装现货,OEM渠道,欢迎咨询 |
询价 | ||
VISHAY |
23+ |
NA |
1000 |
专业电子元器件供应链正迈科技特价代理QQ1304306553 |
询价 | ||
Vishay Siliconix |
22+ |
16SOIC |
9000 |
原厂渠道,现货配单 |
询价 | ||
ST |
22+ |
SMD |
7500 |
十年品牌!原装现货!!! |
询价 |