LM2931M-5.0/NOPB National Semiconductor, LM2931M-5.0/NOPB Datasheet

IC REGULATOR LDO 5V 8-SOIC

LM2931M-5.0/NOPB

Manufacturer Part Number
LM2931M-5.0/NOPB
Description
IC REGULATOR LDO 5V 8-SOIC
Manufacturer
National Semiconductor
Datasheet

Specifications of LM2931M-5.0/NOPB

Regulator Topology
Positive Fixed
Voltage - Output
5V
Voltage - Input
Up to 26V
Voltage - Dropout (typical)
0.3V @ 100mA
Number Of Regulators
1
Current - Output
100mA
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Limit (min)
-
Other names
*LM2931M-5.0
*LM2931M-5.0/NOPB
LM2931M-5
LM2931M-5.0

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LM2931M-5.0/NOPB
Manufacturer:
NS
Quantity:
100
Part Number:
LM2931M-5.0/NOPB
Manufacturer:
TI/德州仪器
Quantity:
20 000
© 2011 National Semiconductor Corporation
Series Low Dropout Regulators
General Description
The LM2931 positive voltage regulator features a very low
quiescent current of 1mA or less when supplying 10mA loads.
This unique characteristic and the extremely low input-output
differential required for proper regulation (0.2V for output cur-
rents of 10mA) make the LM2931 the ideal regulator for
standby power systems. Applications include memory stand-
by circuits, CMOS and other low power processor power
supplies as well as systems demanding as much as 100mA
of output current.
Designed originally for automotive applications, the LM2931
and all regulated circuitry are protected from reverse battery
installations or 2 battery jumps. During line transients, such
as a load dump (60V) when the input voltage to the regulator
can momentarily exceed the specified maximum operating
voltage, the regulator will automatically shut down to protect
both internal circuits and the load. The LM2931 cannot be
harmed by temporary mirror-image insertion. Familiar regu-
lator features such as short circuit and thermal overload pro-
tection are also provided.
The LM2931 family includes a fixed 5V output (±3.8% toler-
ance for A grade) or an adjustable output with ON/OFF pin.
Connection Diagrams
FIXED VOLTAGE OUTPUT
*NC = Not internally connected. Must be electrically isolated from the rest of
the circuit for the micro SMD package.
TO-220 3-Lead Power Package
8-Pin Surface Mount
Front View
Side View
Top View
525412
525407
5254
525406
LM2931
Both versions are available in a TO-220 power package,
TO-263 surface mount package, and an 8-lead surface mount
package. The fixed output version is also available in the
TO-92 plastic package.
Features
Very low quiescent current
Output current in excess of 100 mA
Input-output differential less than 0.6V
Reverse battery protection
60V load dump protection
−50V reverse transient protection
Short circuit protection
Internal thermal overload protection
Mirror-image insertion protection
Available in TO-220, TO-92, TO-263, or SO-8 packages
Available as adjustable with TTL compatible switch
TO-263 Surface-Mount Package
TO-92 Plastic Package
Bottom View
Top View
525408
525411
April 14, 2011
www.national.com

Related parts for LM2931M-5.0/NOPB

LM2931M-5.0/NOPB Summary of contents

Page 1

... Not internally connected. Must be electrically isolated from the rest of the circuit for the micro SMD package. Top View © 2011 National Semiconductor Corporation LM2931 Both versions are available in a TO-220 power package, TO-263 surface mount package, and an 8-lead surface mount package ...

Page 2

SMD Top View (Bump Side Down) ADJUSTABLE OUTPUT VOLTAGE TO-220 5-Lead Power Package Front View www.national.com micro SMD Laser Mark 525438 5-Lead Surface-Mount Package 525409 8-Pin Surface Mount 525410 Top View 2 525439 TO-263 525413 Top View 525414 ...

Page 3

... T05A TO-220 5-Pin TS5B TO-263 Order Package Number Marking 2931A LM2931AM-5.0 M-5.0 2931A LM2931AMX-5.0 M-5.0 2931 LM2931M-5.0 M-5.0 2931 LM2931MX-5.0 M-5.0 LM2931 LM2931AT-5.0 AT5.0 LM2931T LM2931T-5.0 5.0 LM2931 LM2931AS-5.0 AS5.0 LM2931 LM2931ASX-5.0 AS5.0 LM2931S LM2931S-5.0 5.0 LM293 LM2931AZ-5.0 1AZ-5 LM293 LM2931Z-5 ...

Page 4

Typical Applications *Required if regulator is located far from power supply filter. **C2 must be at least 100 μF to maintain stability. May be increased without bound to maintain regulation during transients. Locate as close as possible to the regulator. ...

Page 5

... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Input Voltage Operating Range Overvoltage Protection LM2931A, LM2931C (Adjustable) LM2931 Electrical Characteristics for Fixed 3.3V Version V = 14V 10mA 25° Parameter Output Voltage 4V − ...

Page 6

Electrical Characteristics for Fixed 5V Version = 25° 100 μF (unless otherwise specified 14V 10mA Parameter Output Voltage 6.0V −40°C ≤ Line Regulation 9V ≤ 6V Load Regulation 5 mA ...

Page 7

Electrical Characteristics for Adjustable Version V = 14V 3V mA OUT O J Parameter Reference Voltage ≤ Measured from V Output Voltage Range Line Regulation V OUT Load Regulation 5 mA ...

Page 8

Typical Performance Characteristics Dropout Voltage Low Voltage Behavior Line Transient Response www.national.com Dropout Voltage 525416 Output at Voltage Extremes 525418 Load Transient Response 525420 8 525417 525419 525421 ...

Page 9

Peak Output Current 525422 Quiescent Current 525424 Ripple Rejection 525426 Quiescent Current Quiescent Current Ripple Rejection 9 525423 525425 525427 www.national.com ...

Page 10

Output Impedance Reference Voltage Maximum Power Dissipation (TO-220) www.national.com Operation During Load 525428 Maximum Power Dissipation 525430 Maximum Power Dissipation 525432 10 Dump 525429 (SO-8) 525431 (TO-92) 525433 ...

Page 11

Maximum Power Dissipation (Note 4) (TO-263) 525434 Output Capacitor ESR 525436 On/Off Threshold 11 525435 www.national.com ...

Page 12

Schematic Diagram www.national.com 12 525401 ...

Page 13

Application Hints One of the distinguishing factors of the LM2931 series regu- lators is the requirement of an output capacitor for device stability. The value required varies greatly depending upon the application circuit and other factors. Thus some com- ments ...

Page 14

Physical Dimensions www.national.com inches (millimeters) unless otherwise noted 8-Lead Surface Mount Package (M) NS Package Number M08A 3-Lead TO-220 Plastic Package (T) NS Package Number T03B 14 ...

Page 15

TO-220 Power Package (T) NS Package Number T05A 3-Lead TO-263 Surface Mount Package NS Package Number TS3B 15 www.national.com ...

Page 16

TO-263 Surface Mount Package NS Package Number TS5B 3-Lead TO-92 Plastic Package (Z) NS Package Number Z03A 16 ...

Page 17

NOTE: UNLESS OTHERWISE SPECIFIED. 1. EPOXY COATING. 2. 63Sn/37Pb EUTECTIC BUMP. 3. RECOMMEND NON-SOLDER MASK DEFINED LANDING PAD. 4. PIN A1 IS ESTABLISHED BY LOWER LEFT CORNER WITH RESPECT TO TEST ORIENTATION PINS ARE NUMBERED COUNTERCLOCKWISE. 5. XXX IN DRAWING ...

Page 18

... For more National Semiconductor product information and proven design tools, visit the following Web sites at: www.national.com Products Amplifiers www.national.com/amplifiers Audio www.national.com/audio Clock and Timing www.national.com/timing Data Converters www.national.com/adc Interface www.national.com/interface LVDS www.national.com/lvds Power Management www.national.com/power Switching Regulators www.national.com/switchers LDOs www.national.com/ldo LED Lighting www ...

Related keywords