FLOATING LOAD DRIVER; UNDER VOLTAGE LOCKOUT CIRCUIT
High Side Driver:
YES
Input Characteristics:
GATED SCHMITT TRIGGER
Interface IC Type:
HALF BRIDGE BASED MOSFET DRIVER
JESD-30 Code:
R-PDIP-T14
Length:
19.305 mm
Number of Functions:
1
Number of Terminals:
14
Operating Temperature-Max:
125 °C
Operating Temperature-Min:
-40 °C
Output Characteristics:
STANDARD
Output Peak Current Limit-Nom:
0.35 A
Output Polarity:
TRUE
Package Body Material:
PLASTIC/EPOXY
Package Code:
DIP
Package Equivalence Code:
DIP14,.3
Package Shape:
RECTANGULAR
Package Style:
IN-LINE
Qualification Status:
Not Qualified
Seated Height-Max:
5.33 mm
Supply Voltage-Max:
20 V
Supply Voltage-Min:
10 V
Supply Voltage-Nom:
15 V
Supply Voltage1-Max:
620 V
Supply Voltage1-Min:
5 V
Supply Voltage1-Nom:
15 V
Surface Mount:
NO
Technology:
CMOS
Temperature Grade:
AUTOMOTIVE
Terminal Form:
THROUGH-HOLE
Terminal Pitch:
2.54 mm
Terminal Position:
DUAL
Turn-off Time:
0.28 µs
Turn-on Time:
0.3 µs
Width:
7.62 mm
IR21084PBF Frequently Asked Questions (FAQs)
The recommended PCB layout for the IR21084PBF involves keeping the high-frequency switching nodes (e.g., VCC, VIN, and VOUT) as close to the device as possible, using a solid ground plane, and minimizing the length of the traces to reduce parasitic inductance and capacitance. Additionally, it's essential to follow the layout guidelines provided in the application note AN-978 to ensure optimal performance and minimize electromagnetic interference (EMI).
The bootstrap capacitor value depends on the specific application requirements, such as the switching frequency, output voltage, and current. A general rule of thumb is to choose a capacitor with a value between 10nF to 100nF. However, it's recommended to consult the application note AN-978 and perform simulations to determine the optimal bootstrap capacitor value for your specific design.
The maximum allowed voltage on the VCC pin is 15V. To protect the device from overvoltage, it's recommended to use a voltage regulator or a zener diode to clamp the voltage to a safe level. Additionally, ensure that the VCC pin is decoupled with a suitable capacitor to filter out noise and transients.
Proper thermal management is crucial for the IR21084PBF. Ensure that the device is mounted on a heat sink or a thermally conductive PCB material, and that there is adequate airflow around the device. The thermal resistance of the device (RθJA) is 30°C/W, so it's essential to keep the junction temperature below 150°C to ensure reliable operation.
To reduce EMI when using the IR21084PBF, ensure that the PCB layout is optimized for minimal radiation, use a shielded enclosure, and add EMI filters or chokes to the input and output lines. Additionally, follow the guidelines in the application note AN-978 for EMI reduction techniques, such as using a common-mode choke and a differential-mode filter.
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Manufacturer Collaborated
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System Verified
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Sponsored
IR21084PBF Overview
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