參數(shù)資料
型號: A8284SLB
元件分類: 穩(wěn)壓器
英文描述: 0.73 A SWITCHING REGULATOR, 384 kHz SWITCHING FREQ-MAX, PDSO22
封裝: POWER, SOIC-24
文件頁數(shù): 6/8頁
文件大小: 156K
代理商: A8284SLB
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 IO > IOM or TJ > 165°C,
high when IO < IOM and TJ < 130°C
VBULK
3
Tracking supply voltage to linear regulators
LNBB
4Output 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
14Logic 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
24External modulation input
Terminal Configuration
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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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A8285SLB-T 制造商:Allegro MicroSystems LLC 功能描述:
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