MIC2289 Micrel Semiconductor, MIC2289 Datasheet - Page 3

• Manufacturer Part Number: MIC2289
• Description: 2mm 2mm White LED Driver with Internal Schottky Diode and OVP
• Manufacturer: Micrel Semiconductor

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
ESD Rating
Electrical Characteristics
T
Symbol
V
V
I
I
V
I
D
I
V
I
V
I
f
V
I
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 rating.
3. Devices are inherently ESD sensitive. Handling precautions required. Human body model.
4. Specification for packaged product only.
5. I
August, 2004
MIC2289
VIN
SD
FB
SW
SW
EN
SW
RD
A
J
IN
UVLO
FB
SW
EN
D
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,
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
Schottky Forward Drop
Schottky Leakage Current
Overvoltage Protection
Overtemperature
Threshold Shutdown
FB
................................................................ 2kV
) ............................................................. 6V
SW
EN
SW
IN
) ....................................................... 2A
= 3.6V, V
) ..................................................... 12V
) ..................................... –0.3V to 34V
EN
) ................................... –0.3 to V
OUT
DA
) ................................... 34V
= 10V, I
S
) ......... –65 C to +150 C
(4)
(1)
JA
OUT
, and the ambient temperature, T
= 20mA, unless otherwise noted. Bold values indicate –40 C
Condition
V
V
( 5%)
V
3V
5mA
I
V
TURN ON
TURN OFF
V
I
V
MIC2289-15
MIC2289-24
MIC2289-34
Hysteresis
SW
D
FB
EN
FB
EN
EN
R
= 150mA
= 30V
= 0.5A
> 200mV, (not switching)
= 95mV
= 0V
= 0V, V
= 10V
V
IN
I
OUT
IN
(5)
5V
SW
3
20mA
= 10V
Operating Ratings
Supply Voltage (V
Output Voltage (V
Junction Temperature Range (T
Package Thermal Impedance
2mm
A
. The maximum allowable power dissipation will result in excessive
2mmMLF™-8 (
OUT
IN
) ........................................ 2.5V to 10V
) ..................................... V
(2)
JA
) .................................. 93 C/W
1.05
Min
2.5
1.8
1.5
90
85
13
21
30
J
) ........... –40 C to +125 C
–450
T
0.01
22.5
Typ
450
750
150
2.1
2.5
0.1
0.5
0.5
1.2
0.8
95
90
20
14
32
10
J
125 C.
Max
1.35
100
2.4
0.4
10
40
16
24
34
M9999-081104
5
1
2
5
1
4
1
IN
J
to V
(max),
Micrel
Units
MHz
mA
mV
mA
mV
nA
%
%
%
V
V
V
V
V
V
V
V
OVP
C
C
A
A
A
A