MP1906—80V, HALF-BRIDGE, GATE DRIVER
MP1906 Rev. 1.0 www.MonolithicPower.com 4
1/3/2013 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS(CONTIUUED)
V
CC
= 12V, V
SW
=0V, no load on TG or BG, T
A
= 25°C, unless otherwise noted.
Parameter Symbol Condition Min Typ Max Units
LPWM source current I
LPWM
I
LPWM
=5V -8 -3 -1
μA
HPWM sink current I
HPWM
I
HPWM
=5V 1 3 8
μA
Floating Gate Driver
BG-output-low to GND V
BGL
I
BG
=100mA 0.4 0.7 V
BG-output-high to rail V
BGH
I
BG
=-100mA, V
BGH
=V
CC
-V
BG
1.5 1.7 V
TG-output-low to SW V
TGL
I
TG
=100mA 0.4 0.7 V
TG-output-high to rail V
TGH
I
TG
=-100mA, V
TGH
=V
CC
-V
TG
1.5 1.7 V
Switching Specifications
Minimum input pulse width to
change the output
(5)
τ
PWM_min
50 ns
Notes:
5) Guaranteed by design
LPWM
t
on
t
on
t
off
t
off
t
f
t
f
t
r
t
r
BG
HPWM
TG
Figure 1: Gate Driver Timing Diagram