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MIC37501-3.3BR

Description
3.3 V FIXED POSITIVE LDO REGULATOR, 0.5 V DROPOUT, PSSO7
CategoryPower/power management    The power supply circuit   
File Size340KB,11 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Download Datasheet Parametric View All

MIC37501-3.3BR Overview

3.3 V FIXED POSITIVE LDO REGULATOR, 0.5 V DROPOUT, PSSO7

MIC37501-3.3BR Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerMicrochip
Parts packaging codeMODULE
package instruction, SMSIP7H,.4,50TB
Contacts7
Reach Compliance Codecompli
ECCN codeEAR99
AdjustabilityFIXED
Maximum drop-back voltage 10.5 V
Nominal dropback voltage 10.33 V
Maximum absolute input voltage6.5 V
Maximum input voltage6 V
Minimum input voltage4.3 V
JESD-30 codeR-PSSO-G7
JESD-609 codee0
length9.395 mm
Maximum grid adjustment rate0.0165%
Maximum load regulation0.033%
Humidity sensitivity level3
Number of functions1
Output times1
Number of terminals7
Working temperatureTJ-Max125 °C
Operating temperatureTJ-Mi-40 °C
Maximum output current 15 A
Maximum output voltage 13.366 V
Minimum output voltage 13.234 V
Nominal output voltage 13.3 V
Package body materialPLASTIC/EPOXY
Encapsulate equivalent codeSMSIP7H,.4,50TB
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)240
Certification statusNot Qualified
Regulator typeFIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height2.16 mm
surface mountYES
technologyBIPOLAR
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationSINGLE
Maximum time at peak reflow temperature30
Maximum voltage tolerance2%
width8 mm
MIC37501/37502
5A, Low Voltage
μCap
LDO Regulator
General Description
The MIC37501 and MIC37502 are 5A, low dropout
linear voltage regulator that provide low voltage, high
current outputs with a minimum of external components.
They offer high precision, ultra-low dropout (500mV),
and low ground current.
The MIC37501and MIC37502 operate from an input of
2.3V to 6.0V. They are designed to drive digital circuits
requiring low voltage at high currents (i.e., PLDs, DSPs,
microcontrollers, etc.). They are available in fixed and
adjustable output voltages. Fixed voltages include 1.5V,
1.65V, 1.8V, 2.5V, and 3.3V. The adjustable version is
capable of 1.24V to 5.5V.
MIC37501 and MIC37502 LDOs feature thermal and
currentlimit protection and reverse current protection.
Logic enable and error flag pins are available.
Junction temperature range of the MIC37501/02 is from
–40°C to 125°C.
For applications requiring input voltage greater than
6.0V, see MIC3910x, MIC3915x, MIC3930x, and
MIC3950x LDOs.
All support documentation can be found on Micrel’s web
site at
www.micrel.com.
Features
5A minimum guaranteed output current
500mV maximum dropout voltage
Ideal for 3.0V to 2.5V conversion
Ideal for 2.5V to 1.8V, 1.65V, or 1.5V
conversion
Stable with ceramic or tantalum capacitor
Wide input voltage range:
-
V
IN
: 2.3V to 6.0V
±1.0% initial output tolerance
Fixed and adjustable output voltages:
– MIC37501—7 terminal fixed voltage
– MIC37502—5 (TO-263) and 7 (SPAK) terminal
adjustable voltage
Excellent line and load regulation specifications
Logic controlled shutdown
Thermal shutdown and current-limit protection
Reverse-leakage protection
Low profile S-Pak and TO-263 packages
Applications
LDO linear regulator for low-voltage digital IC
PC add-in cards
High efficiency linear power supplies
SMPS post regulator
Battery charger
Typical Applications
V
IN
= 3.0V
C
IN
MIC37501
VIN
VIN
VEN
GND
DROPOUT (mV)
VOUT
VOUT
FLG
100k
V
OUT
= 2.5V
C
OUT
100F, Ceramic
450
400
350
300
250
200
150
100
50
0
Dropout
vs. Output Current
Fixed 2.5V Regulator with Error Flag
V
IN
C
IN
MIC37502
VIN
VIN
VEN
GND
VOUT
VOUT
ADJ
R2
R1
1.3V
2.5V
OUT
C
OUT
100F, Ceramic
012345
OUTPUT CURRENT (A)
Adjustable Regulator
Super
βeta
is a registered trademark of Micrel Inc.
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 •
http://www.micrel.com
May 2011
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