A6285EET-T Allegro Microsystems Inc, A6285EET-T Datasheet - Page 5

• Manufacturer Part Number: A6285EET-T
• Description: IC LED DRIVER LINEAR 32-QFN
• Manufacturer: Allegro Microsystems Inc
• Type: Linear (Non-Switching)r

Specifications of A6285EET-T

• Operating Temperature: -40°C ~ 85°C
• Topology: PWM
• Constant Current: Yes
• Number Of Outputs: 16
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: Color, White LED
• Frequency: 30MHz
• Voltage - Supply: 3 V ~ 5.5 V
• Voltage - Output: 12V
• Mounting Type: Surface Mount
• Package / Case: 32-VFQFN Exposed Pad
• Current - Output / Channel: 80mA
• Internal Switch(s): Yes
• Led Driver Application: Display
• No. Of Outputs: 16
• Output Current: 80mA
• Output Voltage: 12V
• Input Voltage: 3V To 5.5V
• Dimming Control Type: PWM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Efficiency: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 620-1224-5

A6285
ELECTRICAL CHARACTERISTICS
Logic Supply Voltage Range
LED Load Supply Output Voltage
Undervoltage Lockout
Output Current
Output to Output Matching Error
Load Regulation
Output Leakage Current
Logic Input Voltage
Logic Input Voltage Hysteresis
Logic Input Current
SDO Voltage
Supply Current
FAULT Output
Active Pull-up
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
Open LED Detection Threshold
Reference Voltage at R
1
2
individual units, within the specified maximum and minimum limits.
3
4
Tested at 25°C. Specifications are assured by design and characterization over the operating temperature range of –40°C to 85°C.
Typical data are for initial design estimations only, and assume optimum manufacturing and application conditions. Performance may vary for
Recommended operating range: V
Err = (I
O
(min or max) – I
Characteristic
3
O
EXT
(av)) / I
O
(av).
O
4
= 1.0 to 3.0 V.
Symbol
T
16-Channel Constant-Current Latched LED Driver
V
I
V
I
DD(OFF)
I
I
∆I
T
DD(ON)
JTSDhys
OUT(1)
OUT(0)
V
V
V
DD(UV)
V
I
OUT(0)
V
V
V
at T
V
Err
DSS
V
JTSD
LOD
LED
I
Oreg
EXT
Ihys
I
DD
OH
O
OL
IH
IL
I
A
1
= 25°C, V
Operating Characteristics
Operating
Operating
V
V
V
V
1 V = V
All outputs on
1 V = V
All outputs on
V
All outputs on
V
All digital inputs
All digital inputs
I
I
R
R
All outputs on, R
data transfer 30 MHz
All outputs on, R
data transfer 30 MHz
I
V
V
Temperature increasing
R
with Open LED Detection and Dot Correction
OL
OH
OUT
DD
DD
DS
DS
DS(X)
OH
OUT
LED
EXT
EXT
EXT
= 1 mA
= –1 mA
= 1 V, R
= 1 V, R
0 → 5.0 V
5 → 0.0 V
= 5 mA; faults asserted
= 12 V
= 9.6 kΩ, V
= 1.2 kΩ, V
= 5.5 V, open drain; faults negated
= 1 V, all outputs off
= 600 Ω
= 1 to 3 V, R
DS(x)
DS(x)
DD
= 3.0 to 5.5 V, unless otherwise noted
, R
, R
Test Conditions
EXT
EXT
EXT
EXT
= 600 Ω
= 1.2 kΩ
EXT
EXT
OE
OE
= 600 Ω;
= 1.2 kΩ;
EXT
= 5 V
= 5 V
= 1.2 kΩ, V
= 600 Ω, V
= 600 Ω;
O
O
= 1 V,
= 1 V,
V
0.8×V
DD
GND
Min.
1.19
250
3.0
2.5
2.3
70
35
–1
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
– 0.5
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
DD
Typ.
+1.0
+1.0
0.30
1.23
165
5.0
2.7
2.5
2.8
80
40
26
15
–
–
–
–
–
–
–
–
–
–
–
–
–
–
2
0.2×V
Max.
+4.4
+4.4
+6.0
12.0
2.95
2.75
0.40
1.28
V
900
5.5
0.5
0.5
0.4
90
45
17
25
40
1
–
6
1
–
–
–
DD
DD
Unit
mV
mA
mA
mA
mA
mA
mA
mA
μA
μA
μA
°C
°C
%
%
%
V
V
V
V
V
V
V
V
V
V
V
5