XRP7725 Datasheet, PDF (6/34 Pages) Exar Corporation – Power Management System

XRP7725
Intel Node Manager Compatible Programmable
Power Management System
PWM GENERATORS AND OSCILLATOR
Parameter
Switching Frequency (fsw)
Range
fsw Accuracy
CLOCK IN
Synchronization Frequency
CLOCK IN
Synchronization Frequency
Min.
105
–5
20
10
Typ.
25.7
12.8
Max.
1230
5
31
15.5
Units
kHz
%
MHz
MHz
GPIOS⁴
Parameter
Input Pin Low Level
Input Pin High Level
Input Pin Leakage Current
Output Pin Low Level
Output Pin High Level
Output Pin High Level
Output Pin High-Z leakage
Current (GPIO pins only)
Maximum Sink Current
I/O Frequency
Min.
2.0
Typ.
2.4
3.3
Note 4: 3.3V CMOS logic compatible, 5V tolerant.
Max.
0.8
1
0.4
3.6
10
1
30
Units
V
V
µA
V
V
V
µA
mA
MHz
PSIOS⁵
Parameter
Input Pin Low Level
Input Pin High Level
Input Pin Leakage Current
Output Pin Low Level
Min.
2.0
Typ.
Max.
0.8
1
0.4
Units
V
V
µA
V
Output Pin High Level
15
V
Output Pin High-Z leakage
Current (PSIO pins only)
I/O Frequency
10
µA
5
MHz
Note 5: 3.3V/5.0V CMOS logic compatible, maximum rating of 15.0V
Conditions
Steps defined in Table 1
When synchronizing to an external clock
(Range 1)
When synchronizing to an external clock
(Range 2)
Conditions
ISINK = 1mA
ISOURCE = 1mA
ISOURCE = 0mA
Open Drain Mode
Conditions
ISINK = 3mA
Open Drain. External pull-up resistor to
user supply
© 2014 Exar Corporation
6/34
Rev. 1.0.0