XRP7740ILB-0X18-F Exar Corporation, XRP7740ILB-0X18-F Datasheet - Page 3

• Manufacturer Part Number: XRP7740ILB-0X18-F
• Description: IC CTRLR PWM/LDO STP-DWN 40TQFN
• Manufacturer: Exar Corporation
• Series: -r

Specifications of XRP7740ILB-0X18-F

• Topology: Step-Down (Buck) Synchronous (4), Linear (LDO) (1)
• Function: Any Function
• Number Of Outputs: 5
• Frequency - Switching: 1.5MHz
• Voltage/current - Output 1: Controller
• Voltage/current - Output 2: Controller
• Voltage/current - Output 3: Controller
• W/led Driver: No
• W/supervisor: No
• W/sequencer: Yes
• Voltage - Supply: 6.5 V ~ 20 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: *
• Package / Case: *
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 1016-1697

3.3V CMOS logic compatible, 5V tolerant
© 2011 Exar Corporation
LDOOUT Output Voltage
LDO=LOW
LDOOUT Output Voltage
LDO=HIGH
LDOOUT Short Circuit Current
Limit
Linearity Error Integral
Linearity Error Differential
Input Dynamic Range VIN1
Input Dynamic Range VIN2
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
Input Pin Low Level
Input Pin High Level
Input Pin Leakage Current
Input pin Capacitance
Output Pin Low Level
Output Pin High Level
Output Pin High Level (no load)
Low Drop-out Regulator
Auxiliary ADCs
Isense ADC
PWM Generators and Oscillator
Digital Input/Output Pins (GPIO0-GPIO5)
Parameter
Parameter
Parameter
Parameter
Parameter
Min.
Min.
Min.
Min.
Min.
3.15
4.75
110
300
6.5
6.5
2.0
2.4
-1
-5
0
Q
Q
u
u
a
a
Typ.
Typ.
Typ.
Typ.
Typ.
120
125
3.3
5.0
3.3
d
d
90
40
5
5
C
C
h
h
a
a
n
n
Max.
Max.
Max.
Max.
1500
Max.
3.45
5.25
-320
220
0.8
0.4
3.6
20
20
10
n
3/28
n
2
1
5
e
e
l
l
D
D
i
Units
Units
Units
Units
Units
i
g
LSB
LSB
kHz
g
deg
deg
mA
mV
mV
µA
ns
ns
pF
%
V
V
V
V
V
V
V
V
V
i
i
t
t
a
a
l
l
P
P
•
•
•
•
•
•
•
•
•
•
•
•
•
X
X
W
W
R
6.5V≤VIN1≤20V
0mA<I
6.5V≤VIN1≤20V
0mA<I
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
V
I
I
I
R
SINK
SOURCE
SOURCE
M
M
LDOOUT
IO
P
P
=3.3V
=3mA
S
S
7
7
=1mA
=0mA
=0V
t
LDOOUT
LDOOUT
t
7
7
e
e
0
0
p
p
<100mA
<100mA
8
8
D
D
Conditions
Conditions
Conditions
Conditions
Conditions
o
o
a
a
w
w
n
n
n
d
n
d
C
C
X
X
o
o
R
R
n
n
P
P
t
t
Rev. 1.2.0
r
r
7
7
o
o
7
7
l
l
l
l
e
e
4
4
r
r
0
0
s
s