MIC5206-3.0BMM TR Micrel Inc, MIC5206-3.0BMM TR Datasheet - Page 9

• Manufacturer Part Number: MIC5206-3.0BMM TR
• Description: IC REG LDO 150MA 1% 3.0V 8-MSOP
• Manufacturer: Micrel Inc

Specifications of MIC5206-3.0BMM TR

• Regulator Topology: Positive Fixed
• Voltage - Output: 3V
• Voltage - Input: Up to 16V
• Voltage - Dropout (typical): 0.165V @ 150mA
• Number Of Regulators: 1
• Current - Output: 150mA
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Current - Limit (min): -
• Other names: MIC5206-3.0BMMTR; MIC5206-3.0BMMTR

Ultra-Low-Noise Application
Figure 2 includes a 470pF capacitor for low-noise
operation and shows EN (pin 7) connected to IN (pin 8)
for an application where enable/shutdown is not
required. The error flag is shown with a 47kΩ pull-up
resistor.
Adjustable Regulator Applications
Figure 3 shows the MIC5206BMM adjustable output
voltage configuration. Two resistors set the output
voltage. The formula for output voltage is:
Resistor values are not critical because ADJ (adjust) has
a high input impedance, but for best results use resistors
of 470kΩ or less. A capacitor from ADJ to ground
provides greatly improved noise performance.
Figure 3 also includes a 470pF capacitor for lowest-
noise operation and shows EN (pin 7) connected to IN
(pin 8) for an application where enable/shutdown is not
required. C
with a 47kΩ pull-up resistor.
Figure 3. Ultra-Low-Noise Adjustable Voltage Application
Micrel, Inc.
May 2006
Figure 2. Ultra-Low-Noise Fixed Voltage Application
V
OUT
OUT
=
= 2.2µF minimum. The error flag is shown
1.242V
×
⎛
⎜
⎝
R2
R1
+
1
⎞
⎟
⎠
9
Thermal Considerations
Layout
The MIC5206-x.xBM5 (5-pin SOT-23 package) has the
following thermal characteristics when mounted on a
single layer copper-clad printed circuit board.
Multilayer boards having a ground plane, wide traces
near the pads, and large supply bus lines provide better
thermal conductivity.
The “worst case” value of 220°C/W assumes no ground
plane, minimum trace widths, and a FR4 material board.
The MIC5206-xxBMM (8-pin MSOP) has a thermal
resistance of 200°C/W when mounted on a FR4 board
with minimum trace widths and no ground plane.
Nominal Power Dissipation and Die Temperature
The MIC5206-x.xBM5 at a 25°C ambient temperature
will operate reliably at over 450mW power dissipation
when mounted in the “worst case” manner described
above. At an ambient temperature of 40°C, the device
may safely dissipate over 380mW. These power levels
are equivalent to a die temperature of 125°C, the
maximum
MIC5206.
For additional heat sink characteristics, please refer to
Micrel Application Hint 17, “Calculating P.C. Board Heat
Sink Area For Surface Mount Packages”.
SOT-23-5 Thermal Characteristics
operating
MSOP Thermal Characteristics
PC Board
Dielectric
PC Board
Dielectric
Ceramic
FR4
FR4
junction
220°C/W
200°C/W
200°C
temperature
θ
θ
JA
JA
[phone]
M9999-051506
MIC5206
for
the