需求定义芯片，方案驱动价值

VIN 4.75V~40V

VOUT 1.8/3.3/3.6/5.0~10V

Accuracy <±2%

VIN 2.0V~6V

VOUT 1.0~4.5V (customizable in 0.1V steps)

Accuracy ±2%

VIN 2.8V~18V

VOUT 0.8~5.0V (adjustable via external resistor)

Accuracy ±2%

VIN up to 18V

VOUT 3.0~5.0V (2.1V optional)

Accuracy ±2%

VIN 2V~6.5V

VOUT 1.8/3.3/5.0V

Accuracy ±1%

VIN 3V~40V

VOUT 1.2~5.0V (>5V customizable)

Accuracy ±2% (±1% customized)

VIN 1.5V~8V

VOUT 1.1~5.5V (customizable in 0.1V steps)

Accuracy ±2% (±1% customized)

VIN 2V~16V

VOUT 1.1~5.0V (customizable in 0.1V steps)

Accuracy ±2% (±1% customized)

VIN 7~20V (op.); Max 42V

VOUT 5V

Accuracy 2%

VIN Max 18V

VOUT Fixed 1.2/1.5/1.8/2.5/3.3/5.0/12V; Adjustable 1.25~12V

Accuracy ±2% (customizable ±1%)

Input Voltage (VIN) 4.2~18V

Output Current (IOUT) 2A

Output Voltage (VOUT/FB) Ref 0.8V (0.784~0.816V)

Input Voltage (VIN) 4.2~16V

Output Current (IOUT) 4A

Output Voltage (VOUT/FB) Ref 0.923V (0.904~0.942V)

Input Voltage (VIN) 4.5~16V

Output Current (IOUT) 3A(max)

Output Voltage (VOUT/FB) Ref 0.8V (0.784~0.816V)

Input Voltage (VIN) 4.5~18V

Output Current (IOUT) 2A

Output Voltage (VOUT/FB) Ref 0.8V (0.784~0.816V)

Input Voltage (VIN) 2.6~5.5V

Output Current (IOUT) 1.5A(max)

Output Voltage (VOUT/FB) 0.6V~VIN; ref 0.6V (0.588~0.612V)

Input Voltage (VIN) 2.5~5.5V

Output Current (IOUT) 2A(typ)/2.5A(max)

Output Voltage (VOUT/FB) 0.8~3.6V internal (3.3V±2.0%)

Input Voltage (VIN) 2.06~6.0V

Output Current (IOUT) 200mA

Output Voltage (VOUT/FB) 1.0~4.0V internal (1.8/3.0/3.3V)

Input Voltage (VIN) 2.8~6V

Output Current (IOUT) 2A

Output Voltage (VOUT/FB) FB=0.6V (0.588~0.612V), externally set

Input Voltage (VIN) 2.5~5.5V

Output Current (IOUT) >1A

Output Voltage (VOUT/FB) FB=0.6V (0.588~0.612V), output 0.6V~VIN

Input Voltage (VIN) 2.5~5.5V

Output Current (IOUT) >1A

Output Voltage (VOUT/FB) FB=0.6V (0.588~0.612V), output 0.6V~VIN

Input Voltage (VIN) 2V~24V

Output Current (Typ.) 2A

Modulation Mode PWM (fixed-freq current mode)

Input Voltage (VIN) 2.5V~6.0V (VDD)

Output Current (Typ.) 3A@VIN=3.6V/VOUT=5.0V (limit≥3A)

Modulation Mode PWM/PFM (PFM light load / PWM heavy load)

Input Voltage (VIN) 2.5V~5.5V

Output Current (Typ.) 1A

Modulation Mode PWM (current mode)

Input Voltage (VIN) 0.9V~6.0V

Output Current (Typ.) 100mA@VIN=1.2V/VOUT=1.9V

Modulation Mode PFM

Input Voltage (VIN) 0.9V~6V

Output Current (Typ.) -

Modulation Mode PWM/PFM (switching control)

Input Voltage (VIN) 0.9V~5.5V

Output Current (Typ.) >300mA(Max)

Modulation Mode Synchronous PFM

Device Type Single-cell Li-ion charge management IC (linear charging)

Cells in Series Single-cell (1S)

Quiescent Current Shutdown mode 25µA(typ); Charging 300~2000µA

Device Type 3~18S low-power battery analog front-end (AFE) protection IC

Cells in Series 3~18S

Quiescent Current Normal 30µA(typ); Powerdown 2.5µA(typ)

Device Type 6~18S low-power battery analog front-end (AFE) protection IC

Cells in Series 6~18S

Quiescent Current Normal 25µA(typ); Powerdown 2.5µA(typ)

Device Type 3S-6S low-power battery analog front-end (AFE) protection IC

Cells in Series 3S-6S

Quiescent Current Normal 30µA(typ); Sleep <20µA(typ); Shutdown 2µA

Device Type 4~7S Li-ion cell hardware protection IC

Cells in Series 4~7S

Quiescent Current Normal 15µA(typ); Sleep 5µA(typ)

Device Type 3~4S Li-ion cell hardware protection IC

Cells in Series 3~4S

Quiescent Current Normal 15µA(typ); Sleep 5µA(typ)

Power Max. output power 18W

Standby Power Consumption <60mW

Control Mode Primary-Side Feedback (PSR) Quasi-Resonant (QR)

Power Max. output power 10W

Standby Power Consumption <30mW (with high-voltage start-up)

Control Mode Primary-Side Feedback (PSR) Quasi-Resonant (QR)

Power Max. output power 15W

Standby Power Consumption <60mW

Control Mode Primary-Side Feedback (PSR) Quasi-Resonant (QR)

Power Max. output power 15W

Standby Power Consumption <60mW

Control Mode Primary-Side Feedback (PSR) Quasi-Resonant (QR)

Power - (low-power unit for chargers/adapters/LED drivers; power not specified in datasheet)

Standby Power Consumption <60mW

Control Mode Primary-Side Feedback (PSR) Quasi-Resonant (QR)

Power A: 5W wide-range/6W peak; B: 4W wide-range/5W peak

Standby Power Consumption <0.1W (standby below 0.1W)

Control Mode High-Performance Current-Mode PWM

Power Max. 36W (up to 40W with heatsink)

Standby Power Consumption <100mW (at 220V input)

Control Mode High-Performance Current-Mode PWM

Power 12W/18W continuous (wide range); Peak 15W/20W

Standby Power Consumption <0.1W (standby below 0.1W)

Control Mode High-Performance Current-Mode PWM

Power Max. 18W; Peak 24W (85~265V wide range)

Standby Power Consumption <100mW (at 220V input)

Control Mode High-Performance Current-Mode PWM

Power Max. 15W; Peak 18W (85~265V wide range)

Standby Power Consumption <100mW (at 220V input)

Control Mode High-Performance Current-Mode PWM

Power 18W (offline flyback, 18W power range)

Standby Power Consumption <100mW (AC above 220Vac)

Control Mode Current-Mode PWM (with frequency shuffling)

Power Max. output power 5W

Standby Power Consumption No-load power consumption <100mW

Control Mode Non-isolated regulator (power-save/green mode); supports boost, buck-boost and flyback

System Output Voltage 5~20V

Operating Mode DCM, CCM, QR

Turn-On Delay Turn-On Delay 230ns

System Output Voltage 3~6V (Startup 3.0V / Clamp 5.45V / OVP 6V)

Operating Mode DCM, QR

Turn-On Delay Turn-On Delay 70ns (typ 70/max 150)

Supply Voltage VCC 3~36V (recommended)

Current Sense Voltage VSENSE 72mV

Reference Voltage 1.21V

Supply Voltage VCC 3~40V

Current Sense Voltage VSENSE 74mV (A/B) / 212mV (C)

Reference Voltage 1.21V

Cathode Voltage 1.25~18V (programmable; max 20V)

Cathode Current 0.1~100mA

Reference Voltage 1.25V

Cathode Voltage 2.5~36V (programmable; max 40V)

Cathode Current 1~100mA

Reference Voltage 2.5V