XRP7708 Datasheet, PDF (4/27 Pages) Exar Corporation – Quad Channel Digital PWM Step Down Controller

XRP7708
Quad Channel Digital PWM Step Down Controller
Parameter
Output Pin Low Level (open
drain or collector) V_OL
Input Leakage Current
Output Fall Time from V_IHMIN to
V_ILMAX
Capacitance for each I/O Pin
Min.
-10
20+0.1C_b2
Typ.
Note 2: C_b is the capacitance one one bus in pF
Gate Drivers
Parameter
GH, GL Rise and Fall Time
GH, GL Pull-up On-State Output
Resistance
GH, GL Pull-down On-State
Output Resistance
GH, GL Pull-down Off-State
Output Resistance
Min.
Typ.
30
6
3
50
Max.
0.4
10
250
10
Units
V
µA
ns
pF
Max.
Units
ns
Ω
Ω
kΩ
Conditions
I_SINK=3mA
Input is between 0.33V and 2.97V
With a bus capacitance from 10pF to
400pF
Conditions
At 10% to 90% of full scale pulse.
1nF C_load
VIN=VCCD=0V
© 2010 Exar Corporation
4/27
Rev. 1.0.3