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首頁(yè)>IW1770-03>規(guī)格書(shū)詳情

IW1770-03中文資料瑞薩數(shù)據(jù)手冊(cè)PDF規(guī)格書(shū)

IW1770-03
廠商型號(hào)

IW1770-03

功能描述

Off-Line Digital Quasi-Resonant PWM Controller with Peak Power Operation

文件大小

523.75 Kbytes

頁(yè)面數(shù)量

6 頁(yè)

生產(chǎn)廠商

RENESAS

中文名稱(chēng)

瑞薩

網(wǎng)址

網(wǎng)址

數(shù)據(jù)手冊(cè)

下載地址一下載地址二到原廠下載

更新時(shí)間

2025-8-24 23:01:00

人工找貨

IW1770-03價(jià)格和庫(kù)存,歡迎聯(lián)系客服免費(fèi)人工找貨

IW1770-03規(guī)格書(shū)詳情

● No-load power consumption < 50mW at 230VAC along

with fast dynamic load response and short turn-on

delay in typical 20W and above adapter applications

● PrimAccurateTM primary-side feedback eliminates

opto-isolators and simplifies design

● Peak power mode provides momentary peak power

higher than the maximum continuous output power

without design cost and size increase

● Adaptively controlled soft-start enables fast and

smooth start-up for a wide range of capacitive loads

(from 330μF to 6,000μF) with output voltage of 12V and above

● Tight constant-voltage (CV) regulation across line and load range

● Proprietary optimized 79kHz maximum PWM

switching frequency with quasi-resonant operation

achieves best size, efficiency and common mode

noise

● User-configurable 5-level cable drop compensation

● EZ-EMI? design enhances manufacturability

● Adaptive multi-mode PWM/PFM control improves

efficiency and eliminates audible noise

● Built-in single-point fault protections against output

short-circuit, output over-voltage, output over-current,

and current-sense-resistor-short fault

● On-chip internal over-temperature protection

● Dedicated pins for user-configurable external shutdown control

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