MIC2287-24BML TR Micrel Inc, MIC2287-24BML TR Datasheet - Page 3

• Manufacturer Part Number: MIC2287-24BML TR
• Description: IC LED DRIVER WHITE BCKLGT 8-MLF
• Manufacturer: Micrel Inc
• Type: Backlight, White LEDr

Specifications of MIC2287-24BML TR

• Constant Current: Yes
• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Backlight, Flash/Torch
• Type - Secondary: White LED
• Frequency: 1.05MHz ~ 1.35MHz
• Voltage - Supply: 2.5 V ~ 10 V
• Mounting Type: Surface Mount
• Package / Case: 8-MLF®, QFN
• Operating Temperature: -40°C ~ 125°C
• Current - Output / Channel: 20mA
• Internal Switch(s): Yes
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Voltage - Output: -
• Efficiency: -
• Other names: MIC2287-24BMLTR; MIC2287-24BMLTR

Absolute Maximum Ratings
Supply Voltage (V
Switch Voltage (V
Enable Pin Voltage (V
FB Voltage (V
Switch Current (I
Ambient Storage Temperature (T
ESD Rating
Electrical Characteristics
T
Symbol
V
V
I
I
V
I
D
I
V
I
V
I
f
V
T
Notes:
1. Absolute maximum ratings indicate limits beyond which damage to the component may occur. Electrical specifications do not apply when operating
2. This device is not guaranteed to operate beyond its specified operating ratings.
3. Devices are inherently ESD sensitive. Handling precautions required. Human body model.
4. Specification for packaged product only.
5. I
6. Guaranteed by design.
July 2005
MIC2287
VIN
SD
FB
SW
SW
EN
SW
A
J
IN
UVLO
FB
SW
EN
OVP
MAX
= 25°C, V
the device outside of its operating ratings. The maximum allowable power dissipation is a function of the maximum junction temperature, T
the junction-to-ambient thermal resistance, θ
die temperature, and the regulator will go into thermal shutdown.
SD
= I
VIN
.
IN
(3)
= V
Parameter
Supply Voltage Range
Under Voltage Lockout
Quiescent Current
Shutdown Current
Feedback Voltage
Feedback Input Current
Line Regulation
Load Regulation
Maximum Duty Cycle
Switch Current Limit
Switch Saturation Voltage
Switch Leakage Current
Enable Threshold
Enable Pin Current
Oscillator Frequency
Overvoltage Protection
Overtemperature
Threshold Shutdown
FB
............................................................... 2kV
) ............................................................. 6V
EN
SW
SW
IN
= 3.6V, V
) ........................................................ 2A
) ..................................................... 12V
) ......................................–0.3V to 34V
EN
) ................................... –0.3 to V
OUT
(6)
(6)
= 10V, I
S
) .......... –65°C to +150°C
(4)
(1)
OUT
JA
, and the ambient temperature, T
= 10mA, unless otherwise noted. Bold values indicate –40°C ≤ T
Condition
V
V
(±5%)
V
3V ≤ V
5mA ≤ I
I
V
TURN ON
TURN OFF
V
MIC2287BML- 15 only
MIC2287BML- 24 only
MIC2287BML- 34 only
Hysteresis
SW
FB
EN
FB
EN
EN
= 0.5A
> 200mV, (not switching)
= 95mV
= 0V
= 0V, V
= 10V
IN
OUT
IN
≤ 5V
(5)
SW
≤ 20mA
3
= 10V
Operating Ratings
Supply Voltage (V
Junction Temperature Range (T
Package Thermal Impedance
2mm × 2mmMLF™ (θ
Thin SOT-23-5 (θ
A
. The maximum allowable power dissipation will result in excessive
IN
) ..........................................2.5V to 10V
JA
) ......................................... 256°C/W
JA
(2)
) ..................................... 93°C/W
1.05
Min
2.5
1.8
1.5
90
85
13
21
30
J
) ............ –40°C to +125°C
–450
0.01
22.5
Typ
750
450
150
J
2.1
2.5
0.1
0.5
0.5
1.2
95
90
20
14
32
10
≤125°C.
Max
1.35
100
2.4
0.4
10
40
16
24
34
M9999-070105
5
1
2
5
1
Micrel, Inc.
J
(max),
Units
MHz
mV
mV
mA
mA
µA
µA
µA
nA
°C
°C
%
%
%
V
V
V
V
V
V
V