FLOATING LOAD DRIVER; UNDER VOLTAGE LOCKOUT CIRCUIT
High Side Driver:
YES
Input Characteristics:
SCHMITT TRIGGER
Interface IC Type:
HALF BRIDGE BASED MOSFET DRIVER
JESD-30 Code:
R-PDSO-G8
JESD-609 Code:
e0
Length:
4.9 mm
Moisture Sensitivity Level:
2
Number of Functions:
1
Number of Terminals:
8
Operating Temperature-Max:
125 °C
Operating Temperature-Min:
-40 °C
Output Characteristics:
TOTEM-POLE
Output Peak Current Limit-Nom:
0.35 A
Output Polarity:
TRUE
Package Body Material:
PLASTIC/EPOXY
Package Code:
SOP
Package Shape:
RECTANGULAR
Package Style:
SMALL OUTLINE
Peak Reflow Temperature (Cel):
NOT SPECIFIED
Qualification Status:
Not Qualified
Seated Height-Max:
1.75 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:
YES
Technology:
CMOS
Temperature Grade:
AUTOMOTIVE
Terminal Finish:
Tin/Lead (Sn/Pb)
Terminal Form:
GULL WING
Terminal Pitch:
1.27 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
NOT SPECIFIED
Turn-off Time:
0.28 µs
Turn-on Time:
0.95 µs
Width:
3.9 mm
IR2109S Frequently Asked Questions (FAQs)
The maximum voltage rating of the bootstrap capacitor is typically 20-25V, but it's recommended to use a capacitor with a voltage rating of at least 30V to ensure reliable operation.
The minimum bootstrap capacitor value can be calculated using the formula: CBOOT ≥ (VCC × tON) / (VBOOT × fSW), where VCC is the input voltage, tON is the on-time of the high-side switch, VBOOT is the bootstrap voltage, and fSW is the switching frequency.
The recommended dead-time between the high-side and low-side switches is typically around 100-200ns to ensure proper switching and prevent shoot-through currents.
The gate drive voltage can be adjusted by changing the value of the VCC supply voltage or by using an external voltage regulator to generate a separate gate drive voltage. A higher gate drive voltage can improve switching performance, but may also increase power consumption.
The maximum allowable current through the high-side and low-side switches is typically around 2A, but this can vary depending on the specific application and operating conditions. It's recommended to check the datasheet and application notes for more information.
Trust Checks
This model has been provided by community users.
Community Provided
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored
IR2109S Overview
Use the download button to access the IR2109S schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like IR210,
or try a keyword search, such as MOSFET Drivers