MIC2841AYMT TR Micrel Inc, MIC2841AYMT TR Datasheet - Page 3

• Manufacturer Part Number: MIC2841AYMT TR
• Description: IC LED DRIVR WHITE BCKLGT 10TMLF
• Manufacturer: Micrel Inc
• Type: Backlight, White LEDr

Specifications of MIC2841AYMT TR

• Constant Current: Yes
• Topology: Linear (LDO), PWM
• Number Of Outputs: 4
• Internal Driver: Yes
• Type - Primary: Backlight, Flash/Torch
• Type - Secondary: White LED
• Frequency: 500kHz
• Voltage - Supply: 3 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 10-TMLF®
• Operating Temperature: -40°C ~ 125°C
• Current - Output / Channel: 20mA
• Internal Switch(s): Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Efficiency: -
• Other names: 576-3471-2

Absolute Maximum Ratings
Main Input Voltage (V
Enable Input Voltage (V
LED Driver Voltage (V
Power Dissipation .....................................Internally Limited
Lead Temperature (soldering, 10sec.)....................... 260°C
Storage Temperature (T
ESD Rating
Electrical Characteristics
V
Notes:
1. Exceeding the absolute maximum rating may damage the device.
2. The device is not guaranteed to function outside its operating rating.
3. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5kΩ in series with 100pF.
4. As determined by average current of all channels in use and all channels loaded.
5. The current through each LED meets the stated limits from the average current of all LEDs.
Micrel Inc.
June 2009
Parameter
Current Accuracy
Matching
Drop-out
Ground/Supply Bias Current
Shutdown Current
(current source leakage)
PWM Dimming
Enable Input Voltage (V
Enable Input Current
Current Source Delay
(50% levels)
Current Source Transient Time
(10%-90%)
Stand-by to Shutdown Time
IN
= V
END
(5)
= 3.8V, R
(3)
................................................. ESD Sensitive
(4)
SET
IN
D1-D4
END
) .................................. –0.3V to +6V
= 20.5kΩ; V
END
s
) .........................–65°C to +150°C
)
) ............................ –0.3V to +6V
) ............................ –0.3V to +6V
Conditions
Where I
V
I
V
Logic Low
Logic High
V
Shutdown to on
Standby to on
On to standby
T
T
V
LED
DROPNOM
END
IH
RISE
FALL
END
D1-D4
> 1.2V
= 20mA
(1)
= 0V
= 0V
= 0.6V; T
LED
= 0.6V, 100% brightness level
= 90% of LED current seen at
J
= 25°C, bold values indicate –40°C ≤ T
3
Operating Ratings
Supply Voltage (V
Enable Input Voltage (V
LED Driver Voltage (V
Junction Temperature (T
Junction Thermal Resistance
2mm x 2mm Thin MLF
IN
)..................................... +3.0V to +5.5V
D1-D4
END
J
Min
(2)
) ........................ –40°C to +125°C
1.2
10
) ................................... 0V to V
®
) .................................. 0V to V
J
(θ
≤ 125°C; unless noted.
JA
).............................90°C/W
0.01
0.01
Typ
1.5
1.5
1.4
0.3
0.3
40
40
24
2
1
M9999-062909-C
Max
3.6
1.8
0.2
80
80
40
1
1
MIC2841A
Units
mV
mA
ms
µA
µA
µs
µs
µs
µs
µs
%
%
V
V
IN
IN