XRP7740ILB-AAAA-F EXAR [Exar Corporation], XRP7740ILB-AAAA-F Datasheet - Page 3

• Manufacturer Part Number: XRP7740ILB-AAAA-F
• Description: Quad-Output Digital PWM Buck Controller Supporting high current loads
• Manufacturer: EXAR [Exar Corporation]

LOW DROP-OUT REGULATOR
AUXILIARY ADCs
ISENSE ADC
PWM GENERATORS and OSCILLATOR
LDOOUT Output Voltage
(LDO=LOW)
LDOOUT Output Voltage
(LDO=HIGH)
LDOOUT Short Circuit
Current Limit
ADC Resolution
Linearity Error Integral
Linearity Error Differential
Input Dynamic Range VIN1
Input Dynamic Range VIN2
ADC Resolution
ADC LSB
Input Dynamic Range
Output frequency range
Channel-to-channel phase
shift step
Channel-to-channel phase
shift step
Minimum On Time
Minimum Off Time
CLOCK IN Synchronization
Range
REV 1.1.0
PARAMETER
PARAMETER
PARAMETER
PARAMETER
EXAR CONFIDENTIAL, PRELIMINARY & PROPRIETARY. DO NOT DISTRIBUTE OR COPY.
EXAR RESERVES THE RIGHT TO MAKE CHANGES TO THIS DATASHEET.
MIN
MIN
MIN
3.15
4.75
300
MIN
110
6.5
6.5
-1
-5
0
TYP
TYP
TYP
TYP
120
125
90
40
3.3
5.0
8
7
5
MAX
MAX
MAX
1500
Quad-Output Digital PWM Buck Controller
-320
MAX
3.45
5.25
220
20
20
2
1
5
3
UNITS
UNITS
UNITS
UNITS
LSB
LSB
kHz
deg
deg
mV
mV
mA
bit
bit
ns
ns
%
V
V
V
V
♦
♦
♦
♦
♦
♦
♦
Referred to the input
Steps defined in the table in the
“PWM Switching Frequency
Setting” Section below.
With 4 phase setting.
With 3 phase setting.
1nF of gate capacitance.
1nF of gate capacitance
6.5 <= VIN
0mA < I
6.5 <= VIN
0mA < I
V
LDOOUT
LDOOUT
LDOOUT
=0V
CONDITIONS
CONDITIONS
CONDITIONS
CONDITIONS
1
1
<= 20V
<= 20V
< 100mA
< 100mA
XRP7740