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參數(shù)資料
| 型號： | A8284 |
| 廠商： | Allegro MicroSystems, Inc. |
| 英文描述： | Two Output Low-Noise Block Supply and Control-Voltage Regulator(雙輸出低噪聲組件,電源和控制電壓穩(wěn)壓器) |
| 中文描述： | 兩個輸出低噪聲塊供應和控制穩(wěn)壓器（雙輸出低噪聲組件，電源和控制電壓穩(wěn)壓器） |
| 文件頁數(shù)： | 6/8頁 |
| 文件大?。?/td> | 177K |
| 代理商： | A8284 |
8284
TWO-OUTPUT LNB SUPPLY AND
CONTROL-VOLTAGE REGULATOR
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
6
Symbol
Terminal
Function
OSEL
1
Logic input: selects between LNBA (when low) and
LNBB (when high)
OLF
2
Overload flag output: low when I
O
> I
OM
or T
J
> 165
°
C,
high when I
O
< I
OM
and T
J
< 130
°
C
VBULK
3
Tracking supply voltage to linear regulators
LNBB
4
Output voltage to LNBB
NC
5
No (internal) connection
GND
6, 7
Ground
SENSE
8
Current limit setup resistor
LNBA
9
Output voltage to LNBA
LX
10
Inductor drive point
VIN
11
Supply input voltage (minimum, VLNB + 2.5 V)
TCAP
12
Capacitor for setting the rise and fall time of the outputs
LLC
13
Logic input: when high, increases output voltage by 1 V
for line length compensation
VSEL1
14
Logic input: output voltage select
VSEL0
15
Logic input: output voltage select
EN
16
Logic input: when high, enables device (LNB on)
ENT
17
Logic input: when high, enables internal 22 kHz
modulation
GND
18, 19
Ground
CPUMP
20
High side of charge-pump capacitor
VPUMP
21
Gate supply voltage for high-side drivers
PUMPX
22
Charge-pump drive
VINT
23
Bypass capacitor for internal voltage reference
EXTM
24
External modulation input
Terminal Configuration
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相關代理商/技術參數(shù) |
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| A8284(DIP) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Interface IC |
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| A8284SB | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:TWO-OUTPUT LNB SUPPLY AND CONTROL-VOLTAGE REGULATOR |
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| A8285 | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:LNB Supply and Control Voltage Regulator |
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