MIC2291-15YML TR Micrel Inc, MIC2291-15YML TR Datasheet - Page 3

• Manufacturer Part Number: MIC2291-15YML TR
• Description: IC LED DRIVER PHOTO FLASH 8-MLF
• Manufacturer: Micrel Inc
• Type: Photo Flash LEDr

Specifications of MIC2291-15YML TR

• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: 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: 100mA
• Internal Switch(s): Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Efficiency: -
• Other names: 576-1733-2; MIC2291-15YMLTR; MIC2291-15YMLTR

Absolute Maximum Ratings
Supply Voltage (V
Switch Voltage (V
Enable Pin Voltage (V
FB Voltage (V
Switch Current (I
Storage Temperature (T
ESD 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. See “Typical Characteristics” section for other V
7. Guaranteed by design.
Micrel, Inc.
Symbol
V
V
I
I
V
I
D
I
V
I
V
I
f
V
T
May 2007
A
VIN
SD
FB
SW
SW
EN
SW
IN
UVLO
FB
SW
EN
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(7)
Load Regulation(7)
Maximum Duty Cycle
Switch Current Limit
Switch Saturation Voltage
Switch Leakage Current
Enable Threshold
Enable Pin Current
Oscillator Frequency
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
s
) .........................–65°C to +150°C
OUT
= 10V; I
(4)
JA
, and the ambient temperature, TA. The maximum allowable power dissipation will result in excessive die
(1)
EN
OUT
.
Condition
V
V
(±5%)
V
3V ≤ V
5mA ≤ I
I
V
TURN ON
TURN OFF
V
MIC2291BML- 15 only
MIC2291BML- 34 only
Hysteresis
SW
FB
EN
FB
EN
EN
= 40mA, bold values indicate –40°C< T
= 1.0A
> 200mV, (not switching)
= 95mV
= 0V(5)
= 0V, V
= 10V(6)
IN
OUT
≤ 5V
≤ 40mA
SW
= 10V
IN
3
Operating Ratings
Supply Voltage (V
Junction Temperature (T
Package Thermal Resistance
2x2 MLF-8 (θ
Thin SOT23-5 (θ
JA
IN
) .................................................93°C/W
).......................................... 2.5V to 10V
JA
J
)..........................................256°C/W
< +125°C, unless noted.
J
(2)
) ........................ –40°C to +125°C
1.05
Min
2.5
1.8
1.5
90
85
13
30
–450
0.01
Typ
550
150
2.1
0.1
0.5
0.5
1.2
2.8
1.2
95
90
20
14
32
10
Max
1.35
100
2.4
0.4
M9999-051507
10
40
16
34
5
1
1
5
MIC2291
J(max)
Units
MHz
mV
mV
mA
µA
µA
µA
nA
°C
°C
, the
%
%
%
V
V
A
V
V
V
V