A6275SLWTR-T View Datasheet(PDF) - Allegro MicroSystems
Part Name
Description
MFG CO.
'A6275SLWTR-T' PDF : 12 Pages View PDF
A6275
Serial-Input Constant-Current Latched LED Driver
with Open LED Detection and Dot Correction
ELECTRICAL CHARACTERISTICS at TA = +25°C, VDD = 5 V (unless otherwise noted).
Characteristic
Symbol Test Conditions
Supply Voltage Range
Undervoltage Lockout
Output Current
(any single output)
Output Current Matching
(difference between any
two outputs at same VCE)
Output Leakage Current
VDD
VDD(UV)
IO
∆IO
ICEX
Operating
VDD = 0 → 5 V
VCE = 0.7 V, REXT = 250 Ω
VCE = 0.7 V, REXT = 470 Ω
0.4 V ≤ VCE(A) = VCE(B) ≤ 0.7 V:
REXT = 250 Ω
REXT = 470 Ω
VOH = 15 V
Logic Input Voltage
SERIAL DATA OUT
Voltage
Input Resistance
VIH
VIL
VOL
IOL = 500 μA
VOH
IOH = -500 μA
RI
ENABLE Input, Pull Up
LATCH Input, Pull Down
Supply Current
IDD(OFF) REXT = open, VOE = 5 V
REXT = 470 Ω, VOE = 5 V
REXT = 250 Ω, VOE = 5 V
IDD(ON)
REXT = 470 Ω, VOE = 0 V
REXT = 250 Ω, VOE = 0 V
Typical Data is at VDD = 5 V and is for design information only.
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 kΩ
100 200 400 kΩ
–
0.8 1.4 mA
3.5 6.0 8.0 mA
6.5 11 15 mA
5.0 10 14 mA
8.0 16 24 mA
Allegro MicroSystems, Inc.
4
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Share Link: 
