MIC47100-08YMME Micrel Inc, MIC47100-08YMME Datasheet - Page 11

• Manufacturer Part Number: MIC47100-08YMME
• Description: 1A High Speed, Low Vin LDO In Ep-MSOP8
• Manufacturer: Micrel Inc

Specifications of MIC47100-08YMME

• Regulator Topology: Positive Fixed
• Voltage - Output: 0.8V
• Voltage - Input: 1 ~ 3.6 V
• Voltage - Dropout (typical): 0.08V @ 1A
• Number Of Regulators: 1
• Current - Output: 1A
• Current - Limit (min): 1.1A
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP Exposed Pad, 8-HMSOP, 8-eMSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 576-3113-5

Micrel, Inc.
temperature of the package, use the junction-to-
ambient thermal resistance of the device and the
following basic equation:
T
the die θ
The table below shows junction-to-ambient thermal
resistance for the MIC47100 in the MLF
Substituting P
operating
operating conditions for the regulator circuit. The
junction-to-ambient
minimum footprint is 90°C/W.
8-pin 2mm x 2mm
September 2008
J(max)
Package
= 125°C, the maximum junction temperature of
MLF
P
JA
D(MAX)
thermal resistance = 90°C/W.
®
temperature
D
for P
Thermal Resistance
=
⎝
⎛
D(max)
thermal
T
Recommended
J(MAX)
Minimum
Footprint
90°C/W
and solving for the ambient
will
JA
θ
JA
- T
give
resistance
A
the
®
package.
maximum
for
2°C/W
θ
JC
the
11
The maximum power dissipation must not be
exceeded for proper operation.
For example, when operating the MIC47100-1.2YML
at an input voltage of 1.8V and a 1A load with a
minimum footprint layout, the maximum ambient
operating temperature T
follows:
Therefore, a 1.2V application with 1A of output current
can accept an ambient operating temperature of 71°C
in a 2mm x 2mm MLF
of heat sinking and thermal effects on voltage
regulators, refer to the “Regulator Thermals” section
of Micrel’s Designing with Low-Dropout Voltage
Regulators handbook. This information can be found
on Micrel's website at:
http://www.micrel.com/_PDF/other/LDOBk_ds.pdf
T
0
6 .
A
W
=
71
=
°
(
C
125
(
90
°
°
C
C
®
/
−
package. For a full discussion
W
T
A
A
)
)
can be determined as
M9999-092908-B
MIC47100