Anterwell Technology Ltd.

          Anterwell Technology Ltd.

 

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IR21531S Electronic IC Chips SELF-OSCILLATING HALF-BRIDGE DRIVER

Good quality Programmable IC Chips for sales
Good quality Programmable IC Chips for sales
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IR21531S Electronic IC Chips SELF-OSCILLATING HALF-BRIDGE DRIVER

China IR21531S Electronic IC Chips SELF-OSCILLATING HALF-BRIDGE DRIVER supplier

Large Image :  IR21531S Electronic IC Chips SELF-OSCILLATING HALF-BRIDGE DRIVER

Product Details:

Place of Origin: original factory
Brand Name: Anterwell
Certification: new & original
Model Number: IR21531S

Payment & Shipping Terms:

Minimum Order Quantity: 20pcs
Price: Negotiate
Packaging Details: Please contact me for details
Delivery Time: 1 day
Payment Terms: T/T, Western Union, Paypal
Supply Ability: 9000pcs
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Detailed Product Description
High Side Floating Supply Voltage: -0.3 To 625 V High Side Floating Supply Offset Voltage: VB - 25 To VB + 0.3 V
High Side Floating Output Voltage: VS - 0.3 To VB + 0.3 V Low Side Output Voltage: -0.3 To VCC + 0.3 V
Supply Current: 25 MA Junction Temperature: -55 To 150°C

 

IR21531D(S) & (PbF)

SELF-OSCILLATING HALF-BRIDGE DRIVER

 

Features IR21531S Electronic IC Chips SELF-OSCILLATING HALF-BRIDGE DRIVER

• Integrated 600V half-bridge gate driver

• 15.6V zener clamp on Vcc

• True micropower start up

• Tighter initial deadtime control

• Low temperature coefficient deadtime

• Shutdown feature (1/6th Vcc) on CT pin

• Increased undervoltage lockout Hysteresis (1V)

• Lower power level-shifting circuit

• Constant LO, HO pulse widths at startup

• Lower di/dt gate driver for better noise immunity

• Low side output in phase with RT

• Internal 50nsec (typ.) bootstrap diode (IR21531D)

• Excellent latch immunity on all inputs and outputs

• ESD protection on all leads

• Also available LEAD_FREE

 

Description

The IR21531(D)(S) are an improved version of the popular IR2155 and IR2151 gate driver ICs, and incorporates a high voltage half-bridge gate driver with a front end oscillator similar to the industry standard CMOS 555 timer. The IR21531 provides more functionality and is easier to use than previous ICs. A shutdown feature has been designed into the CT pin, so that both gate driver outputs can be disabled using a low voltage control signal.

 

In addition, the gate driver output pulse widths are the same once the rising undervoltage lockout threshold on VCC has been reached, resulting in a more stable profile of frequency vs time at startup. Noise immunity has been improved significantly, both by lowering the peak di/dt of the gate drivers, and by increasing the undervoltage lockout hysteresis to 1V. Finally, special attention has been payed to maximizing the latch immunity of the device, and providing comprehensive ESD protection on all pins.

 

IR21531S Electronic IC Chips SELF-OSCILLATING HALF-BRIDGE DRIVER

 

Absolute Maximum Ratings

Absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. All voltage parameters are absolute voltages referenced to COM, all currents are defined positive into any lead. The thermal resistance and power dissipation ratings are measured under board mounted and still air conditions.

 

Symbol Definition Min. Max. Units
VB High side floating supply voltage -0.3 625 V
VS High side floating supply offset voltage VB - 25 VB + 0.3 V
VHO High side floating output voltage VS - 0.3 VB + 0.3 V
VLO Low side output voltage -0.3 VCC + 0.3 V
VRT RT pin voltage -0.3 VCC + 0.3 V
VCT CT pin voltage -0.3 VCC + 0.3 V
ICC Supply current (note 1) -- 25 mA
IRT RT pin current -5 5 mA
dVs/dt Allowable offset voltage slew rate -50 50 V/ns
PD Maximum power dissipation @ TA ≤ +25°C (8 Lead DIP) -- 1.0 W
(8 Lead SOIC) -- 0.625 W
RthJA Thermal resistance, junction to ambient (8 Lead DIP) -- 125 °C/W
(8 Lead SOIC) -- 200 °C/W
TJ Junction temperature -55 150 °C
TS Storage temperature -55 150 °C
TL Lead temperature (soldering, 10 seconds) -- 300 °C

Note 1: This IC contains a zener clamp structure between the chip VCC and COM which has a nominal breakdown voltage of 15.6V. Please note that this supply pin should not be driven by a DC, low impedance power source greater than the VCLAMP specified in the Electrical Characteristics section.

 

 

 

 

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Contact Details
Anterwell Technology Ltd.

Contact Person: Miss. Sharon Yang

Tel: 86-755-61169882

Fax: 86-755-613169859

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