XRP7704 Datasheet, PDF (4/31 Pages) Exar Corporation – Quad-Output Digital PWM Buck Controller

REV 1.1.0
XRP7704
Quad-Output Digital PWM Buck Controller
Digital Input/Output Pins
3.3V CMOS logic compatible. 5V tolerant, maximum rating of 6.0V
PARAMETER
MIN TYP MAX
Input Pin Low Level
0.8
Input Pin High Level
2.0
Input Pin Leakage Current
10
Input pin Capacitance
5
Output Pin Low Level
0.4
Output Pin High Level
Output Pin High Level (no
load)
2.4
3.3
3.6
UNITS
V
V
µA
pF
V
V
V
I²C SPECIFICATION
PARAMETER
MIN
I2C Speed
Input Pin Low Level, V_IL
Input Pin High Level, V_IH
Hysteresis of Schmitt Trigger
inputs, V_hys
Output Pin Low Level (open
drain or collector), V_OL
0.7 VIO
0.05 VIO
Input leakage current
-10
Output fall time from V_IHmin to
V_ILmax
20 + 0.1 C_b
Capacitance for each I/O Pin
Note
1. C_b is the capacitance of one bus in pF
TYP
MAX
400
0.3 VI0
0.4
10
250
10
UNITS
KHz
V
V
V
V
µA
ns
pF
GATE DRIVERS
PARAMETER
MIN TYP MAX
UNITS
GH, GL Rise and Fall Time
30
ns
GH, GL Pull-up On-State
Output Resistance
3
Ω
GH, GL Pull-down On-State
Output Resistance
3
Ω
GH, GL Pull-down Off-State
Output Resistance
50
kΩ
CONDITIONS
♦
♦
♦
♦ I_SINK = 1mA
♦ I_SOURCE = 1mA
♦ I_SOURCE = 0mA
CONDITIONS
Based upon I2C Master Clock
VIO = 3.3 V ±10%
VIO = 3.3 V ±10%
VIO = 3.3 V±10%
I_SINK = 3mA
Input is between 0.1 VIO and 0.9
VIO
With a bus capacitance from 10
pF to 400 pF
CONDITIONS
At 10% to 90% of full scale pulse.
1nF C_load
VIN=VCCD=0V.
EXAR CONFIDENTIAL. PROPRIETARY. DO NOT DISTRIBUTE OR COPY.
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