PF9453AHN中文资料恩XP数据手册PDF规格书

Features and benefits

• Four buck regulators

– BUCK1: 0.6 V to 3.775 V, 25 mV step, 2000 mA

– BUCK2: 0.6 V to 2.1875 V, 12.5 mV step, 2700 mA (QFN) / 2000 mA (WLCSP)

– BUCK3: 0.6 V to 3.775 V, 25 mV step, 2000 mA

– BUCK4: 0.6 V to 3.775 V, 25 mV step, 2500 mA

– Dynamic Voltage Scaling on BUCK2

– Monitor fault condition

• Linear regulators

– LDO_SNVS, always-on, 1.2 V to 3.4 V in QFN or 0.8 V to 3.0 V in WLCSP with 25 mV step, 10 mA

– LDO1, 0.8 V to 3.3 V with 25 mV step, 250 mA, voltage selection through SD_VSEL pin

– LDO2 (QFN only), 0.5 V to 1.95 V with 25 mV step, 200 mA

• One 400 mA load switch with a built-in active discharge resistor and GPIO/I2C control, multiplexed with DBUS

debounce filter

• 32.768 kHz crystal oscillator driver and buffer output

• Power control IO

– Power ON/OFF control

– Standby/Run mode control

– Watchdog reset input

• Flexible power ON/OFF sequence, One Time Programmable (OTP) device configuration

• Built-in active discharge resistor

• Fm+ 1 MHz I2C Interface

• ESD protection

– Human Body Model (HBM) : ± 2000 V

– Charged Device Model (CDM) : ± 500 V

• Available in two packages

– HVQFN40: 40-pins, 5 mm x 5 mm, 0.4 mm pitch

– WLCSP36: 36 bumps in 6x6 array, 2.48 mm x 2.48 mm, 0.4 mm pitch

Applications

• IoT Devices

• White goods appliances

• Industrial application

• Portable devices