IW1702-31B集成電路（IC）的ACDC轉(zhuǎn)換器離線開(kāi)關(guān)規(guī)格書(shū)PDF中文資料

● iW1702-0x/0xB and iW1702-3x/3xB options: external

supplemental output over-voltage protection,

optimized for 9V+ output voltages

● iW1702-1x/1xB options: external input over-voltage

protection, supports 5V+ output voltages

● Adaptively controlled soft-start enables fast and

smooth start-up into large capacitive loads (from

330μF to 6,000μF) at 9V+ output voltages

● Internal single-point fault protections against output

short-circuit, output over-voltage and output overcurrent

● User-configurable light-load operation mode for

optimized dynamic load response and no-load power

consumption

● < 75mW no-load power consumption at 230VAC with

fast dynamic load response in typical 12V, 2A 24W

compact adapter/charger

● PrimAccurateTM Primary-side feedback eliminates

optocouplers and simplifies design● iW1702-0x/0xB and iW1702-3x/3xB options: external

supplemental output over-voltage protection,

optimized for 9V+ output voltages

● iW1702-1x/1xB options: external input over-voltage

protection, supports 5V+ output voltages

● Adaptively controlled soft-start enables fast and

smooth start-up into large capacitive loads (from

330μF to 6,000μF) at 9V+ output voltages

● Internal single-point fault protections against output

short-circuit, output over-voltage and output overcurrent

● User-configurable light-load operation mode for

optimized dynamic load response and no-load power

consumption

● < 75mW no-load power consumption at 230VAC with

fast dynamic load response in typical 12V, 2A 24W

compact adapter/charger

● PrimAccurateTM Primary-side feedback eliminates

optocouplers and simplifies design

● Proprietary optimized 79kHz maximum PWM

switching frequency with quasi-resonant operation

achieves best size, efficiency and common mode

noise

● EZ-EMITM design enhances manufacturability

● Adaptive multi-mode PWM/PFM control improves

efficiency

● User-configurable 5-level cable drop compensation

provides design flexibility in iW1702-0x/0xB and

iW1702-3x/3xB options

● Tight constant-voltage and constant current

regulation across line and load range

● SmartDefender? smart hiccup technology helps

to address issues of soft shorts in cables and

connectors by effectively reducing the average output

power at fault conditions without latch

● Optional on-chip internal over-temperature protection

● No audible noise over entire operating range

● Space-saving SOT-23 package