a8292 Allegro MicroSystems, Inc., a8292 Datasheet - Page 3

• Manufacturer Part Number: a8292
• Description: Dual Lnb Supply And Control Voltage Regulator
• Manufacturer: Allegro MicroSystems, Inc.

A8292
Terminal List Table
BOOST1
BOOST2
GNDLX1
GNDLX2
EXTM1
EXTM2
TCAP1
TCAP2
Name
VREG
TDO1
TDO2
VCP1
VCP2
LNB1
LNB2
GND
GND
TDI1
TDI2
ADD
PAD
SDA
SCL
IRQ
LX1
LX2
VIN
NC
4, 13, 18
Number
Pad
21
16
27
23
14
28
22
26
24
12
10
19
15
17
20
25
11
Dual LNB Supply and Control Voltage Regulator
–
1
6
8
3
7
5
2
9
Fused internally; connect to ground plane for thermal dissipation
Address select
Tracking supply voltage to linear regulator (channel 1)
Tracking supply voltage to linear regulator (channel 2)
External modulation input (channel 1)
External modulation input (channel 2)
Signal ground
Exposed thermal pad; connect to ground plane
Boost switch ground (channel 1)
Boost switch ground (channel 2)
Interrupt request
Output voltage to LNB (channel 1)
Output voltage to LNB (channel 2)
Inductor drive point (channel 1)
Inductor drive point (channel 2)
No connection
I
I
Capacitor for setting the rise and fall time of the LNB output (channel 1)
Capacitor for setting the rise and fall time of the LNB output (channel 2)
Tone detect input (channel 1)
Tone detect input (channel 2)
Tone detect output (channel 1)
Tone detect output (channel 2)
Gate supply voltage (channel 1)
Gate supply voltage (channel 2)
Supply input voltage
Analog supply
2
2
C™-compatible clock input
C™-compatible data input/output
BOOST1
EXTM1
TCAP1
VCP1
TDO1
TDI1
NC
Device Pin-out Diagram
1
2
3
4
5
6
7
(Top View)
PAD
Function
21
20
19
18
17
16
15
BOOST2
VCP2
TCAP2
NC
TDO2
EXTM2
TDI2
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
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