Data Sheet

© 2011 Fairchild Semiconductor Corporation www.fairchildsemi.com
FDMF6705B • Rev. 1.0.3 5
FDMF6705B - Extra-Small, High-Performance, High-Frequency DrMOS Module
Electrical Characteristics
Typical values are V
IN
= 12 V, V
CIN
= 5 V, V
DRV
= 5 V, and T
A
= +25°C unless otherwise noted.
Symbol Parameter Condition Min. Typ. Max. Unit
Basic Operation
I
Q
Quiescent Current I
Q
=I
VCIN
+I
VDRV
, PWM=LOW or HIGH or Float 2 mA
UVLO UVLO Threshold V
CIN
Rising 2.9 3.1 3.3 V
UVLO
_Hyst
UVLO Hysteresis 0.4 V
PWM Input (V
CIN
= V
DRV
= 5 V ±10%)
R
UP_PWM
Pull-Up Impedance 26 kΩ
R
DN_PWM
Pull-Down Impedance 12 kΩ
V
IH_PWM
PWM High Level Voltage
1.88 2.25 2.61
V
V
TRI_HI
3-State Upper Threshold
1.84 2.20 2.56
V
V
TRI_LO
3-State Lower Threshold
0.70 0.95 1.19
V
V
IL_PWM
PWM Low Level Voltage
0.62 0.85 1.13
V
t
D_HOLD-OFF
3-State Shut-off Time 160 200 ns
V
HiZ_PWM
3-State Open Voltage 1.40 1.60 1.90 V
PWM Input (V
CIN
= V
DRV
= 5 V ±5%)
R
UP_PWM
Pull-Up Impedance 26 kΩ
R
DN_PWM
Pull-Down Impedance 12 kΩ
V
IH_PWM
PWM High Level Voltage
2.00 2.25 2.50
V
V
TRI_HI
3-State Upper Threshold
1.94 2.20 2.46
V
V
TRI_LO
3-State Lower Threshold
0.75 0.95 1.15
V
V
IL_PWM
PWM Low Level Voltage
0.66 0.85 1.09
V
t
D_HOLD-OFF
3-State Shut-off Time 160 200 ns
V
HiZ_PWM
3-State Open Voltage 1.45 1.60 1.80 V
DISB# Input
V
IH_DISB
High-Level Input Voltage 2 V
V
IL_DISB
Low-Level Input Voltage 0.8 V
I
PLD
Pull-Down Current 10 µA
t
PD_DISBL
Propagation Delay
PWM=GND, Delay Between DISB# from
HIGH to LOW to GL from HIGH to LOW
25 ns
t
PD_DISBH
Propagation Delay
PWM=GND, Delay Between DISB# from
LOW to HIGH to GL from LOW to HIGH
25 ns
SMOD# Input
V
IH_SMOD
High-Level Input Voltage 2 V
V
IL_SMOD
Low-Level Input Voltage 0.8 V
I
PLU
Pull-Up Current 10 µA
t
PD_SLGLL
Propagation Delay
PWM=GND, Delay Between SMOD# from
HIGH to LOW to GL from HIGH to LOW
10 ns
t
PD_SHGLH
Propagation Delay
PWM=GND, Delay Between SMOD# from
LOW to HIGH to GL from LOW to HIGH
10 ns
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