A8283SB Просмотр технического описания (PDF) - Allegro MicroSystems

Номер в каталоге

Компоненты Описание

Список матч

A8283SB

LNB SUPPLY AND CONTROL-VOLTAGE REGULATOR

Allegro MicroSystems 

8283

LNB SUPPLY AND

CONTROL-VOLTAGE REGULATOR

ELECTRICAL CHARACTERISTICS at TA = 25°C, ENT = L, EN = H, OSEL = H, LLC = L, VIN = 24 V,

IO = 50 mA (unless otherwise noted).

Limits

Characteristic

Symbol Test Conditions

Min. Typ. Max. Units

Supply Voltage

VIN

Output Voltage

VO

Line Regulation

∆VO

Load Regulation

Current-Limiting Threshold

Tone Frequency

Tone Amplitude

Tone Duty Cycle

Tone Rise or Fall Time

External Modulation Gain

External Modulation

Input Voltage

∆VO

VOM(th)

ftone

Vtone(PP)

dctone

tr, tf

Gmod

Vmod(PP)

IO = 600 mA, VSEL0 = L, VSEL1 = L, LLC = L

— 3.3 + ∆VBUCK 47

V

IO = 600 mA, VSEL0 = L, VSEL1 = L, LLC = L 12.5 13 13.5 V

IO = 600 mA, VSEL0 = L, VSEL1 = L, LLC = H 13.4 14 14.6 V

IO = 600 mA, VSEL0 = L, VSEL1 = H, LLC = L 17.3 18 18.7 V

IO = 600 mA, VSEL0 = L, VSEL1 = H, LLC = H 18.2 19 19.8 V

IO = 600 mA, VSEL0 = H, VSEL1 = L, LLC = L 11.5 12 12.5 V

IO = 600 mA, VSEL0 = H, VSEL1 = L, LLC = H 12.5 13 13.5 V

IO = 600 mA, VSEL0 = H, VSEL1 = H, LLC = L 19.2 20 20.8 V

IO = 600 mA, VSEL0 = H, VSEL1 = H, LLC = H 20.2 21 21.8 V

VO = 13 V, VI = 16 to 40 V

— 4.0 40 mV

VO = 18 V, VI = 21 to 40 V

— 4.0 40 mV

VO = 13 or 18 V, IO = 50 to 600 mA

— 80 180 mV

125 135 145 mV

ENT = H

20 22 24 kHz

ENT = H

550 680 800 mV

ENT = H

40

50

60

%

ENT = H

5.0 10 15 µs

∆VO/∆Vmod, f = 10 Hz to 40 kHz

AC coupling

— 5.0 — V/V

—

— 160 mV

External Modulation

Impedance

Zmod

f = 10 Hz to 40 kHz

— 5.0 — kΩ

continued next page ...

www.allegromicro.com

3

Share Link: