MIC2289-24YML TR Micrel Inc, MIC2289-24YML TR Datasheet - Page 3

• Manufacturer Part Number: MIC2289-24YML TR
• Description: IC LED DRIVER WHITE BCKLGT 8-MLF
• Manufacturer: Micrel Inc
• Type: Backlight, White LEDr

Specifications of MIC2289-24YML 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: Lead free / RoHS Compliant
• Voltage - Output: -
• Efficiency: -
• Other names: 576-1731-2; MIC2289-24YMLTR; MIC2289-24YMLTR

Absolute Maximum Ratings
Supply Voltage (V
Switch Voltage (V
Enable Pin Voltage (V
FB Voltage (V
Switch Current (I
Ambient Storage Temperature (T
Schottky Reverse Voltage (V
EDS Rating
Electrical Characteristics
T
Notes:
1. Absolute maximum ratings indicate limits beyond which damage to the component may occur. Electrical specifications do not apply when operating
2. The device is not guaranteed to function outside its operating rating.
3. Devices are ESD sensitive. Handling precautions recommended. Human body model.
4. Specification for packaged product only.
5. I
6. Guaranteed by design
Micrel, Inc.
Symbol
V
V
I
I
V
I
D
I
V
I
V
I
f
V
I
V
T
July 2007
A
VIN
SD
FB
SW
SW
EN
SW
RD
IN
UVLO
FB
SW
EN
D
OVP
J
the device outside of its operating ratings. The maximum allowable power dissipation is a function of the maximum junction temperature, T
junction-to-ambient thermal resistance, θ
temperature, and the regulator will go into thermal shutdown.
MAX
= 25°C, V
SD
= I
VIN
.
(3)
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
Schottky Forward Drop
Schottky Leakage Current
Overvoltage Protection
Overtemperature
Threshold Shutdown
IN
.................................................................. 2kV
FB
= V
)...............................................................6V
SW
SW
IN
EN
) .........................................................2A
) .......................................................12V
)....................................... –0.3V to 34V
= 3.6V, V
EN
)................................... –0.3V to V
(6)
(6)
DA
OUT
).....................................34V
s
) ...........–65°C to +150°C
= 10V, I
(4)
JA
, and the ambient temperature, T
(1)
OUT
Condition
V
V
(±5%)
V
3V ≤ V
5mA ≤ I
I
V
TURN ON
TURN OFF
V
I
V
MIC2289-15
MIC2289-24
MIC2289-34
Hysteresis
SW
D
FB
EN
FB
EN
EN
R
= 20mA, unless otherwise noted. Bold values indicate –40°C< T
= 150mA
= 30V
= 0.5A
> 200mV, (not switching)
= 95mV
= 0V
= 0V, V
= 10V
IN
OUT
(5)
≤ 5V
≤ 20mA
SW
= 10V
IN
3
A
Operating Ratings
Supply voltage (V
Output Voltage (V
Junction Temperature (T
Package Thermal Resistance
. The maximum allowable power dissipation will result in excessive die
2mm x 2mm MLF
Thin SOT-23-6 (θ
IN
IN
) ........................................ 2.5V to +10V
) ............................................ V
®
JA
(θ
) ........................................177°C/W
J
(2)
) ........................ –40°C to +125°C
JA
1.05
Min
2.5
1.8
1.5
).....................................93°C/W
90
85
13
21
30
–450
0.01
22.5
Typ
750
450
150
2.1
0.1
0.5
0.5
1.2
0.8
2.5
95
90
20
14
32
10
Max
1.35
100
2.4
0.4
M9999-071007
10
40
16
24
34
5
1
1
5
1
4
J
< +125°C.
MIC2289
IN
J(max)
to V
Units
MHz
mV
mA
mV
mA
µA
µA
µA
µA
nA
°C
°C
%
%
%
V
V
V
V
V
V
V
V
, the
OVP