MIC5245-3.1YM5 TR Micrel Inc, MIC5245-3.1YM5 TR Datasheet - Page 9

• Manufacturer Part Number: MIC5245-3.1YM5 TR
• Description: Low Noise, IttyBittyT CMOS LDO ( )
• Manufacturer: Micrel Inc

Specifications of MIC5245-3.1YM5 TR

• Regulator Topology: Positive Fixed
• Voltage - Output: 3.1V
• Voltage - Input: Up to 6V
• Voltage - Dropout (typical): 0.15V @ 150mA
• Number Of Regulators: 1
• Current - Output: 150mA
• Current - Limit (min): 160mA
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: SOT-23-5, SC-74A, SOT-25
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: MIC5245-3.1YM5TR; MIC5245-3.1YM5TR

MIC5245
effects on voltage regulators, refer to the Regulator Thermals
section of Micrel’s Designing with Low-Dropout Voltage Regu-
lators handbook.
Fixed Regulator Applications
Figure 1 includes a 0.01 F capacitor for low-noise operation
and shows EN (pin 3) connected to IN (pin 1) for an applica-
tion where enable/shutdown is not required. C
minimum.
August 2002
Figure 1. Ultra-Low-Noise Fixed Voltage Application
V
IN
MIC5245-x.xBM5
1
2
3
5
4
0.01µF
V
1µF
OUT
OUT
= 1 F
9
Figure 2 is an example of a low-noise configuration where
C
Dual-Supply Operation
When used in dual supply systems where the regulator load
is returned to a negative supply, the output voltage must be
diode clamped to ground.
BYP
Figure 2. Low-Noise Fixed Voltage Application
is not required. C
Shutdown
Enable
V
EN
IN
OUT
MIC5245-x.xBM5
1
2
3
= 1 F minimum.
5
4
V
OUT
1.0µF
MIC5245
Micrel