a6260slj-t Allegro MicroSystems, Inc., a6260slj-t Datasheet - Page 4

• Manufacturer Part Number: a6260slj-t
• Description: High Brightness Led Current Regulator
• Manufacturer: Allegro MicroSystems, Inc.

A6260
ELECTRICAL CHARACTERISTICS valid at T
Supply and Reference
V
V
V
Startup Time
Current Regulation
Maximum Current Sink
Current Sink
Current Sink Accuracy
SENSE Reference Voltage
Switch Dropout Voltage
Regulator Saturation Voltage
Output Current Slew Time
Logic Input
Input Low Voltage
Input High Voltage
Input Hysteresis
Protection
Switch Overcurrent Trip Level
Overcurrent Detection Time
Switch Current Limit
LC Short Circuit Release Voltage
Short Circuit Source Current
Thermal Monitor Activation Temperature
Thermal Monitor Low Current Temperature
Overtemperature Shutdown Threshold
Overtemperature Hysteresis
1
2
Functions correctly, but parameters are not guaranteed, below the general limit (7 V).
For input and output current specifications, negative current is defined as coming out of (sourcing) the specified device pin.
IN
IN
IN
Functional Operating Range
Quiescent Current
Shutdown Current
Characteristics
2
2
1
J
= –40°C to 150°C, V
Symbol
V
V
I
I
err
I
T
LCmax
V
V
SENREF
t
LALIM
I
V
LAOC
I
I
T
V
t
V
OCD
SCCR
T
T
I
V
SCU
INQ
INS
Jhys
High Brightness LED Current Regulator
ON
LC
SAT
Ihys
DO
t
t
JM
JL
JF
IN
IH
ILC
r
f
IL
LA, LC unconnected
EN < 400 mV
EN 2 V to 35 mA I
R
R
100 mA < I
260 mΩ < R
V
V
V
V
Current rising from 10% to 90%
Current falling from 90% to 10%
From detection to I
Measured at V
When short is detected
T
T
Temperature increasing
Recovery = T
J
J
S
S
IN
IN
LC
LC
at I
at I
= 250 mΩ, V
= 286 mΩ, V
– V
– V
– V
– V
LC
LC
LA
LA
SENSE
SENSE
= 90%, THTH open
= 25%, THTH open
, I
, I
LC
LOAD
LOAD
IN
S
, I
, I
JF
< 350 mA
< 1Ω
= 7 to 40 V, unless noted otherwise
LC
LOAD
LOAD
– T
IN
IN
= 350 mA
= 150 mA
, when rising
Test Conditions
LC
– V
– V
SCU
Jhys
= 350 mA
= 150 mA
LA
LA
> –1.2 mA
> 2 V
> 2 V
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
–600
Min.
–1.5
350
333
150
110
1.0
–5
97
50
60
90
6
–
–
9
–
–
–
–
–
2
–
–
–
–
I
–500
Typ.
1.5×
2.25
1.35
–1.1
350
102
500
250
100
350
LAOC
105
130
165
1.2
18
±4
80
15
–
–
1
–
–
–
3
Max.
–400
2.35
–0.7
367
107
550
275
120
150
120
150
1.4
0.8
1.4
40
10
27
4
–
5
–
–
–
–
–
–
Units
mV
mV
mV
mV
mA
mA
mA
mA
mA
mA
μA
μs
μs
μs
μs
ºC
ºC
ºC
ºC
%
V
V
V
V
V
V
4