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6276 Просмотр технического описания (PDF) - Allegro MicroSystems

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6276 16-BIT SERIAL-INPUT, CONSTANT CURRENT LATCHED LED DRIV ER Allegro
Allegro MicroSystems Allegro
6276 Datasheet PDF : 14 Pages
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6276
16-BIT SERIAL-INPUT,
CONSTANT-CURRENT
LATCHED LED DRIVER
ELECTRICAL CHARACTERISTICS at TA = +25°C, VDD = 5 V (unless otherwise noted).
Characteristic
Supply Voltage Range
Under-Voltage Lockout
Output Current
(any single output)
Output Current Matching
(difference between any
two outputs at same VCE)
Output Leakage Current
Logic Input Voltage
SERIAL DATA OUT
Voltage
Input Resistance
Supply Current
Symbol
VDD
VDD(UV)
IO
IO
ICEX
VIH
VIL
VOL
VOH
RI
IDD(OFF)
IDD(ON)
Test Conditions
Operating
VDD = 0 ¡ 5 V
VCE = 0.7 V, REXT = 250
VCE = 0.7 V, REXT = 470
0.4 V VCE(A) = VCE(B) 0.7 V:
REXT = 250
REXT = 470
VOH = 15 V
IOL = 500 µA
IOH = -500 µA
ENABLE Input, Pull Up
LATCH Input, Pull Down
REXT = open, VOE = 5 V
REXT = 470 , VOE = 5 V
REXT = 250 , VOE = 5 V
REXT = 470 , VOE = 0 V
REXT = 250 , VOE = 0 V
Limits
Min. Typ. Max. Unit
4.5 5.0 5.5 V
3.4
4.0
V
64.2 75.5 86.8 mA
34.1 40.0 45.9 mA
±1.5 ±6.0 %
±1.5 ±6.0 %
1.0 5.0 µA
0.7VDD
VDD
V
GND – 0.3VDD V
0.4
V
4.6
V
150 300 600 k
100 200 400 k
0.8 1.4 mA
3.5 6.0 8.0 mA
6.5 11 15 mA
7.0 13 20 mA
10 22 32 mA
Typical Data is at VDD = 5 V and is for design information only.
115 Northeast Cutoff, Box 15036
4
Worcester, Massachusetts 01615-0036 (508) 853-5000
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