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BD9703FP-E2 Integrated circuit Chip IC Electronics Smart Highside High Current Power Switch

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ChongMing Group (HK) Int'l Co., Ltd

City: shenzhen

Country/Region:china

Tel:86-755-88367702

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BD9703FP-E2 Integrated circuit Chip IC Electronics Smart Highside High Current Power Switch

Brand Name ROHM
Model Number BD9703FP-E2
Certification Original Factory Pack
Place of Origin TW.CN
Minimum Order Quantity 100pcs
Price Negotiation
Payment Terms T/T, Western Union,PayPal
Supply Ability 10000PCS
Delivery Time 1 Day
Packaging Details 2000pcs/Reel
Description Buck Switching Regulator IC Positive Adjustable 1V 1 Output 1.5A TO-252-5, DPak (4 Leads + Tab), TO-252AD
Temperature Range –40°C to 85°C
Payment Term T/T, Paypal, Western Union
Voltage 3V-36V
Current -15 to +250mA
Package TO-252-5
Factory Package 2000pcs/Reel
Detailed Product Description

BD9703FP-E2

Simple Step-down Switching Regulators with Built-in Power MOSFET

 

●Description

The BD9701/BD9703/BD9702 are single-channel step-down switching regulator capable of PWM operation. The Pch MOS FET is built in for high efficiency in small load area.Lower electricity consumption of operating current 4mA (Typ) and stand-by current 0uA(Typ) is realized by adopting Bi-CMOS process.

●Features

1) Maximum switching current: 1.5A(BD9701/BD9703), 3A(BD9702) 2) Built-in Pch FET ensures high efficiency 3) Output voltage adjustable via external resistors 4) High switching frequency: 100kHz (BD9701), 300kHz(BD9703), 110kHz(BD9702) 5) Overcurrent and thermal shutdown protection circuits built in 6) ON/OFF control via STBY pin 7) Small surface mount TO252-5 package (only BD9701FP, BD9703FP)

●Applications

TVs, printers, DVD players, projectors, gaming devices, PCs, car audio/navigation systems, ETCs, communication equipment, AV products, office equipment, industrial devices, and more.

 

●Block Function Explanations ・VREF Generates the regulated voltage from VCC input, compensated for temperature. ・OSC Generates the triangular wave oscillation frequency using an internal resistors and capacitor. Used for PWM comparator input. ・Error AMP This block, via the INV pin, detects the resistor-divided output voltage, compares this with the reference voltage, then amplifies and outputs the difference. ・PWM COMP Outputs PWM signals to the Driver block, which converts the error amp output voltage to PWM form. ・DRIVER This push-pull FET driver powers the internal Pch MOSFET, which accepts direct PWM input. ・STBY Controls ON/OFF operation via the STBY pin. The output is ON when STBY is High. ・Thermal Shutdown (TSD) This circuit protects the IC against thermal runaway and damage due to excessive heat. A thermal sensor detects the junction temperature and switches the output OFF once the temperature exceeds a threshold value (175deg). Hysteresis is built in (15deg) in order to prevent malfunctions due to temperature fluctuations. ・Over Current Protection (OCP) The OCP circuit detects the voltage difference between VCC and OUT by measuring the current through the internal Pch MOSFET and switches the output OFF once the voltage reaches the threshold value. The OCP block is a self-recovery type (not latch).

 

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