参数资料
型号: A8290SETTR-T
厂商: Allegro Microsystems Inc
文件页数: 3/20页
文件大小: 0K
描述: IC VOLTAGE REG SGL LNB 28-QFN
标准包装: 9,000
应用: 转换器,模拟和数字式卫星信号接收器
输入电压: 8 V ~ 16 V
输出数: 1
输出电压: 12.7 V ~ 20.4 V
工作温度: -20°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-VFQFN 裸露焊盘
供应商设备封装: 28-QFN/MLP 裸露焊盘(5x5)
包装: 带卷 (TR)
A8290
Single LNB Supply and Control Voltage Regulator
Device Pin-out Diagram
BOOST
VCP
TCAP
1
2
3
21 NC
20 NC
19 BFC
NC
TDO
EXTM
TDI
4
5
6
7
PAD
18 NC
17 NC
16 NC
15 NC
(Top View)
Terminal List Table
Name
ADD
BFC
BFI
BFO
BOOST
EXTM
GND
GNDLX
IRQ
LNB
LX
NC
PAD
SCL
SDA
TCAP
TDI
TDO
VCP
VIN
VREG
Number
11
19
24
22
1
6
8
27
14
28
26
4, 13, 15-18,
20, 21, 23
Pad
12
10
3
7
5
2
25
9
Function
Address select
Bypass FET control
Bypass FET input (connect to LNB)
Bypass FET output
Tracking supply voltage to linear regulator
External modulation input
Signal ground
Boost switch ground
Interrupt request
Output voltage to LNB
Inductor drive point
No connection
Exposed pad; connect to the ground plane, for thermal dissipation
I 2 C?-compatible clock input
I 2 C? -compatible data input/output
Capacitor for setting the rise and fall time of the LNB output
Tone detect input
Tone detect output
Gate supply voltage
Supply input voltage
Analog supply
Allegro MicroSystems, LLC
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
3
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