XRP7724
Quad Channel Digital PWM/PFM
Programmable Power Management System
PWM GENERATORS AND OSCILLATOR
Parameter
Min.
Typ.
Max.
Units
Conditions
Steps defined in table
Switching Frequency (fsw)
Range
1230
5
kHz
%
105
–5
fsw Accuracy
CLOCK IN
Synchronization Frequency
When synchronizing to an external clock
(Range 1)
25.7
12.8
31
MHz
20
CLOCK IN
Synchronization Frequency
When synchronizing to an external clock
(Range 2)
15.5
MHz
10
GPIOS5
Parameter
Min.
Typ.
Max.
Units
Conditions
Input Pin Low Level
0.8
V
V
Input Pin High Level
Input Pin Leakage Current
Output Pin Low Level
Output Pin High Level
Output Pin High Level
2.0
1
µA
V
0.4
ISINK = 1mA
V
ISOURCE = 1mA
ISOURCE = 0mA
2.4
3.3
3.6
10
V
Output Pin High-Z leakage
Current (GPIO pins only)
µA
Maximum Sink Current
I/O Frequency
Open Drain Mode
1
mA
30
MHz
Note 5: 3.3V CMOS logic compatible, 5V tolerant.
PSIOS6
Parameter
Min.
Typ.
Max.
Units
Conditions
Input Pin Low Level
0.8
V
V
Input Pin High Level
Input Pin Leakage Current
Output Pin Low Level
2.0
1
µA
V
0.4
ISINK = 3mA
Open Drain. External pull-up resistor to
user supply
Output Pin High Level
15
V
Output Pin High-Z leakage
Current (PSIO pins only)
10
5
µA
I/O Frequency
MHz
Note 6: 3.3V/5.0V CMOS logic compatible, maximum rating of 15.0V
© 2012 Exar Corporation
5/29
Rev. 1.0.1
EXAR [ EXAR CORPORATION ]
