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FAN3111C Datasheet

Low-Side Gate Driver

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Single 1 A High-Speed,
Low-Side Gate Driver
FAN3111C, FAN3111E
Description
The FAN3111 1 A gate driver is designed to drive an Nchannel
enhancementmode MOSFET in lowside switching applications.
Two input options are offered: FAN3111C has dual CMOS inputs
with thresholds referenced to VDD for use with PWM controllers and
other inputsignal sources that operate from the same supply voltage
as the driver. For use with lowvoltage controllers and other
inputsignal sources that operate from a lower supply voltage than the
driver, that supply voltage may also be used as the reference for the
input thresholds of the FAN3111E. This driver has a single,
noninverting, lowvoltage input plus a DC input VXREF for an
external reference voltage in the range 2 to 5 V.
The FAN3111 is available in a leadfree finish industrystandard
5pin SOT23.
Features
1.4 A Peak Sink/Source at VDD = 12 V
1.1 A Sink/0.9 A Source at VOUT = 6 V
4.5 to 18 V Operating Range
FAN3111C Compatible with FAN3100C Footprint
Two Input Configurations:
Dual CMOS Inputs Allow Configuration as
NonInverting or Inverting with Enable Function
Single NonInverting, LowVoltage Input for
Compatibility with LowVoltage Controllers
Small Footprint Facilitates Distributed Drivers for
Parallel Power Devices
15 ns Typical Delay Times
9 ns Typical Rise/8 ns Typical Fall times with 470 pF Load
5Pin SOT23 Package
Rated from –40°C to 125°C Ambient
These Devices are PbFree and Halogen Free
Applications
SwitchMode Power Supplies
Synchronous Rectifier Circuits
Pulse Transformer Driver
Logic to Power Buffer
Motor Control
www.onsemi.com
SOT235
CASE 527AH
PIN ASSIGNMENT
VDD 1
5 OUT
GND 2
IN+ 3
4 IN
FAN3111C (Top View)
VDD 1
5 OUT
GND 2
IN+ 3
4 XREF
FAN3111E (Top View)
MARKING DIAGRAM
&E&E&Y
&O111X&C
&.&O&E&V
&E
&Y
&O
111X
&C
&.
&V
= Designates Space
= Binary Calendar Year Coding Scheme
= Plant Code identifier
= Device Specific Code
X = C or E
= Single digit Die Run Code
= Pin One Dot
= EightWeek Binary Datecoding Scheme
ORDERING INFORMATION
See detailed ordering and shipping information on page 16 of
this data sheet.
© Semiconductor Components Industries, LLC, 2008
1
June, 2021 Rev. 3
Publication Order Number:
FAN3111C/D


  ON Semiconductor Electronic Components Datasheet  

FAN3111C Datasheet

Low-Side Gate Driver

No Preview Available !

FAN3111C, FAN3111E
THERMAL CHARACTERISTICS (Note 1)
Package
QJL
QJT
QJA
YJB
YJT
(Note 2) (Note 3) (Note 4) (Note 5) (Note 6) Unit
5Pin SOT23
58
102
161
53
6
°C/W
1. Estimates derived from thermal simulation; actual values depend on the application.
2. Theta_JL (QJL): Thermal resistance between the semiconductor junction and the bottom surface of all the leads (including any thermal pad)
that are typically soldered to a PCB.
3. Theta_JT (QJT): Thermal resistance between the semiconductor junction and the top surface of the package, assuming it is held at a uniform
temperature by a topside heatsink.
4. Theta_JA (QJA): Thermal resistance between junction and ambient, dependent on the PCB design, heat sinking, and airflow. The value given
is for natural convection with no heatsink using a 2S2P board, as specified in JEDEC standards JESD512, JESD515, and JESD517,
as appropriate.
5. Psi_JB (YJB): Thermal characterization parameter providing correlation between semiconductor junction temperature and an application
circuit board reference point for the thermal environment defined in Note 4. For the MLP8 package, the board reference is defined as the
PCB copper connected to the thermal pad and protruding from either end of the package. For the SOIC8 package, the board reference
is defined as the PCB copper adjacent to pin 6.
6. Psi_JT (YJT): Thermal characterization parameter providing correlation between the semiconductor junction temperature and the center of
the top of the package for the thermal environment defined in Note 4.
PIN DEFINITIONS
Pin Number
Name
1
VDD
2
GND
3
IN+
4
IN–
XREF
5
OUT
Description
Supply Voltage. Provides power to the IC.
Ground. Common ground reference for input and output circuits.
NonInverting Input. Connect to VDD to enable output.
FAN3111C Inverting Input. Connect to GND to enable output.
FAN3111E External Reference Voltage. Reference for input thresholds, 2 V to 5 V.
Gate Drive Output. Held low unless required inputs are present.
OUTPUT LOGIC WITH DUALINPUT CONFIGURATION
IN+
IN
0 (Note 7)
0
0 (Note 7)
1 (Note 7)
1
0
1
1 (Note 7)
7. Default input signal if no external connection is made.
OUT
0
0
1
0
www.onsemi.com
2


Part Number FAN3111C
Description Low-Side Gate Driver
Maker ON Semiconductor
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FAN3111C Datasheet PDF






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