a8290 Allegro MicroSystems, Inc., a8290 Datasheet - Page 6

• Manufacturer Part Number: a8290
• Description: A8290 Single Lnb Supply And Control Voltage Regulator
• Manufacturer: Allegro MicroSystems, Inc.

A8290
ELECTRICAL CHARACTERISTICS (continued)
SCL Low Time
SCL High Time
Data Setup Time
Data Hold Time
Setup Time for Stop Condition
I
ADD Voltage for Address 0001,000
ADD Voltage for Address 0001,001
ADD Voltage for Address 0001,010
ADD Voltage for Address 0001,011
1
2
3
recommendations. Not production tested.
4
2
Operation at 16 V may be limited by power loss in the linear regulator.
Guaranteed by worst case process simulations and system characterization. Not production tested.
LNB output ripple and noise are dependent on component selection and PCB layout. Refer to the Application Schematic and PCB layout
Current from the LNB output may be limited by the choice of Boost components.
C™ Address Setting
Characteristics
SDA
SCL
t
SU:STA
Single LNB Supply and Control Voltage Regulator
t
HD:STA
t
LOW
Address1
Address2
Address3
Address4
t
I
HIGH
Symbol
t
t
t
2
HD:DAT
SU:STO
SU:DAT
t
t
C™ Interface Timing Diagram
HIGH
LOW
at T
t
SU:DAT
A
= 25°C, V
IN
= 8 to 16 V, unless noted otherwise
t
HD:DAT
Test Conditions
t
SU:STO
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
t
BUF
Min.
100
1.3
0.6
0.6
1.3
2.3
3.3
1
0
0
Typ.
–
–
–
–
–
–
–
–
–
Max.
900
0.7
1.7
2.7
5.0
–
–
–
–
Units
μs
μs
μs
ns
ns
V
V
V
V
6