1
Half-Bridge Gate Driver
TF2103
www.tfsemi.com
July 2017
Rev. 1.3
Features
Floating high-side driver in bootstrap operation to 600V
Drives two N-channel MOSFETs or IGBTs in a half bridge
conguration
290mA source/600mA sink output current capability
Outputs tolerant to negative transients
Internal dead time of 520ns to protect MOSFETs
Wide low side gate driver supply voltage: 10V to 20V
Logic input (HIN and LIN*) 3.3V capability
Schmitt triggered logic inputs
Undervoltage lockout for V
CC
(logic and low side supply)
Extended temperature range: -40°C to +125°C
Description
The TF2103 is a high voltage, high speed gate driver
capable of driving N-channel MOSFETs and IGBTs in a half
bridge conguration. TF Semiconductor’s high voltage
process enables the TF2103’s high side to switch to 600V in
a bootstrap operation.
The TF2103 logic inputs are compatible with standard
TTL and CMOS levels (down to 3.3V) to interface easily
with controlling devices. The driver outputs feature high
pulse current buers designed for minimum driver cross
conduction. TF2103 has a xed internal deadtime of 520ns
(typical).
The TF2103 is oered in PDIP-8 and SOIC-8(N) packages and
operate over an extended -40 °C to +125 °C temperature
range.
Typical Application
Ordering Information
PART NUMBER PACKAGE PACK / Qty MARK
TF2103-3AS PDIP-8 Tube / 50
YYWW
TF2103
Lot ID
TF2103-TAU SOIC-8(N) Tube / 100
YYWW
TF2103
Lot ID
TF2103-TAH SOIC-8(N) T&R / 2500
Applications
DC-DC Converters
AC-DC Inverters
Motor Controls
Class D Power Ampliers
Year Year Week Week
SOIC-8(N)
PDIP-8
R4
LIN*
TF2103
HIN
V
CC
HO
V
B
V
S
COM LO
TO
LOAD
Up to 600V
V
CC
HIN
LIN*
2
TF2103
Half-Bridge Gate Driver
July 2017
Advance Info
Pin Descriptions
Pin Diagrams
PIN NAME PIN NUMBER PIN DESCRIPTION
V
CC
1 Logic and low side supply
HIN 2 Logic input for high-side gate driver output in phase with HO
LIN* 3 Logic input for low-side gate driver output out of phase with LO
COM 4 Low-side and logic return
LO 5 Low-side gate drive output
V
S
6 High-side oating supply return
HO 7 High-side gate drive output
V
B
8 High-side oating supply
LIN*
COM
1
2
3
4
8
7
6
5
HIN
V
S
V
CC
HO
V
B
LO
Top View: PDIP-8, SOIC-8
TF2103
Functional Block Diagram
Q
R
S
HV Level
Shift
Pulse
Gen
UV
Detect
Delay
High Voltage Well
V
B
Vs
Vcc
HO
LIN*
HIN
Dead
time
V
CC
V
CC
LO
COM
TF2103
UV
Detect
R
+5V