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A8286 Datasheet(PDF) 3 Page - Allegro MicroSystems

Part No. A8286
Description  Dual LNB Supply and Control Voltage Regulator
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Maker  ALLEGRO [Allegro MicroSystems]
Homepage  http://www.allegromicro.com
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A8286 Datasheet(HTML) 3 Page - Allegro MicroSystems

 
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Dual LNB Supply and Control Voltage Regulator
A8286
3
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
PAD
21
20
19
18
17
16
15
1
2
3
4
5
6
7
BOOST2
VCP2
TCAP2
NC
TDO2
BOOST1
VCP1
TCAP1
NC
TDO1
EXTM2
EXTM1
TDI2
TDI1
Terminal List Table
Name
Number
Function
GND
Fused internally; connect to ground plane for thermal dissipation
ADD
11
Address select
BOOST1
1
Tracking supply voltage to linear regulator (channel 1)
BOOST2
21
Tracking supply voltage to linear regulator (channel 2)
EXTM1
6
External modulation input (channel 1)
EXTM2
16
External modulation input (channel 2)
GND
8
Signal ground
PAD
Pad
Exposed thermal pad; connect to ground plane
GNDLX1
27
Boost switch ground (channel 1)
GNDLX2
23
Boost switch ground (channel 2)
IRQ
14
Interrupt request
LNB1
28
Output voltage to LNB (channel 1)
LNB2
22
Output voltage to LNB (channel 2)
LX1
26
Inductor drive point (channel 1)
LX2
24
Inductor drive point (channel 2)
NC
4, 13, 18
No connection
SCL
12
I2C™-compatible clock input
SDA
10
I2C™-compatible data input/output
TCAP1
3
Capacitor for setting the rise and fall time of the LNB output (channel 1)
TCAP2
19
Capacitor for setting the rise and fall time of the LNB output (channel 2)
TDI1
7
Tone detect input (channel 1)
TDI2
15
Tone detect input (channel 2)
TDO1
5
Tone detect output (channel 1)
TDO2
17
Tone detect output (channel 2)
VCP1
2
Gate supply voltage (channel 1)
VCP2
20
Gate supply voltage (channel 2)
VIN
25
Supply input voltage
VREG
9
Analog supply
Device Pin-out Diagram
(Top View)


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