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LP3982 Product Folder

Micropower, Ultra Low-Dropout, Low-Noise, 300mA CMOS Regulator

Generic P/N 3982

General
Description

Package
& Models

Samples
& Pricing

Reliability
Metrics

Application
Notes

Parametric Table

Parametric Table

Temperature Min (deg C)	-40
Temperature Max (deg C)	85
Multiple Output Capability	No
On/Off Pin	Yes
Error Flag	Yes
InputMin Voltage (Volt)	2.50
InputMax Voltage (Volt)	6
Output Current (mA)	300

Dropout Voltage (Volt)	.12
Quiescent Current (mA)	.0950
SecondaryOutput Voltage (Volt)	-
SecondaryOutput Current (Amp)	-
RegType	LDO
Output Min (Volt)	1.25
Output Max (Volt)	6
Watchdog	No

Datasheet

Title	Size in Kbytes	Date	View Online	Download	Receive via Email
LP3982 Micropower, Ultra Low-Dropout, Low-Noise, 300mA CMOS Regulator	367 Kbytes	28-Oct-03	View Online	Download	Receive via Email

If you have trouble printing or viewing PDF file(s), see Printing Problems.

Package Availability, Models, Samples & Pricing

Part Number

Package

Status

Models

Samples &
Electronic
Orders

Budgetary Pricing

Std
Pack
Size

Package
Marking

Type

Pins

MSL/Lead-Free Availability

Lead
Time

Qty

SPICE

IBIS

Qty

$US each

LP3982ILD-1.8

8

Full production

N/A

N/A

1K+

$0.31

reel
of
1000

XYTT
LNB

6-8 weeks

90000

LP3982ILD-2.5

8

Full production

N/A

N/A

1K+

$0.31

reel
of
1000

XYTT
LPB

10-12 weeks

50000

LP3982ILD-2.77

8

Full production

N/A

N/A

1K+

$0.31

reel
of
1000

XYTT
LRB

6-8 weeks

90000

LP3982ILD-2.82

8

Full production

N/A

N/A

1K+

$0.31

reel
of
1000

XYTT
LSB

6-8 weeks

90000

LP3982ILD-3.0

8

Full production

N/A

N/A

1K+

$0.31

reel
of
1000

XYTT
LTB

12-14 weeks

90000

LP3982ILD-3.3

8

Full production

N/A

N/A

1K+

$0.31

reel
of
1000

XYTT
LUB

6-8 weeks

90000

LP3982ILD-ADJ

8

Full production

N/A

N/A

1K+

$0.31

reel
of
1000

XYTT
LVB

6-8 weeks

90000

LP3982ILDX-1.8

8

Full production

N/A

N/A

1K+

$0.31

reel
of
4500

XYTT
LNB

6-8 weeks

90000

LP3982ILDX-2.5

8

Full production

N/A

N/A

1K+

$0.31

reel
of
4500

XYTT
LPB

10-12 weeks

50000

LP3982ILDX-2.77

8

Full production

N/A

N/A

1K+

$0.31

reel
of
4500

XYTT
LRB

6-8 weeks

90000

LP3982ILDX-2.82

8

Full production

N/A

N/A

1K+

$0.31

reel
of
4500

XYTT
LSB

6-8 weeks

90000

LP3982ILDX-3.0

8

Full production

N/A

N/A

1K+

$0.31

reel
of
4500

XYTT
LTB

11-13 weeks

90000

LP3982ILDX-3.3

8

Full production

N/A

N/A

1K+

$0.31

reel
of
4500

XYTT
LUB

6-8 weeks

90000

LP3982ILDX-ADJ

8

Full production

N/A

N/A

1K+

$0.31

reel
of
4500

XYTT
LVB

6-8 weeks

90000

LP3982IMM-1.8

8

Full production

N/A

N/A

1K+

$0.31

reel
of
1000

ZXTT
LENB

13 weeks

0

LP3982IMM-2.5

8

Full production

N/A

N/A

1K+

$0.31

reel
of
1000

ZXTT
LEPB

13 weeks

0

LP3982IMM-2.77

8

Full production

N/A

N/A

1K+

$0.31

reel
of
1000

ZXTT
LERB

13 weeks

0

LP3982IMM-2.82

8

Full production

N/A

N/A

1K+

$0.31

reel
of
1000

ZXTT
LESB

14 weeks

0

LP3982IMM-3.0

8

Full production

N/A

N/A

1K+

$0.31

reel
of
1000

ZXTT
LETB

13 weeks

0

LP3982IMM-3.3

8

Full production

N/A

N/A

1K+

$0.31

reel
of
1000

ZXTT
LEUB

13 weeks

0

LP3982IMM-ADJ

8

Full production

N/A

N/A

1K+

$0.31

reel
of
1000

ZXTT
LEVB

13 weeks

0

LP3982IMMX-1.8

8

Full production

N/A

N/A

1K+

$0.31

reel
of
3500

ZXTT
LENB

13 weeks

0

LP3982IMMX-2.5

8

Full production

N/A

N/A

1K+

$0.31

reel
of
3500

ZXTT
LEPB

14 weeks

0

LP3982IMMX-2.77

8

Full production

N/A

N/A

1K+

$0.31

reel
of
3500

ZXTT
LERB

13 weeks

0

LP3982IMMX-2.82

8

Full production

N/A

N/A

1K+

$0.31

reel
of
3500

ZXTT
LESB

14 weeks

0

LP3982IMMX-3.0

8

Full production

N/A

N/A

1K+

$0.31

reel
of
3500

ZXTT
LETB

13-15 weeks

300000

LP3982IMMX-3.3

8

Full production

N/A

N/A

1K+

$0.31

reel
of
3500

ZXTT
LEUB

13 weeks

0

LP3982IMMX-ADJ

8

Full production

N/A

N/A

1K+

$0.31

reel
of
3500

ZXTT
LEVB

13 weeks

0

General Description

The LP3982 low-dropout (LDO) CMOS linear regulator is available in 1.8V, 2.5V, 2.77V, 2.82V, 3.0V, 3.3V, and adjustable versions. They deliver 300mA of output current. Packaged in an 8-Pin MSOP, the LP3982 is pin and package compatible with Maxim's MAX8860. The LM3982 is also available in the small footprint LLP package.

The LP3982 suits battery powered applications because of its shutdown mode (1nA typ), low quiescent current (90µA typ), and LDO voltage (120mV typ). The low dropout voltage allows for more utilization of a battery's available energy by operating closer to its end-of-life voltage. The LP3982's PMOS output transistor consumes relatively no drive current compared to PNP LDO regulators.

This PMOS regulator is stable with small ceramic capacitive loads (2.2µF typ).

These devices also include regulation fault detection, a bandgap voltage reference, constant current limiting and thermal overload protection.

Features

MAX8860 pin, package and spec. compatible
LLP space saving package
300mA guaranteed output current
120mV typical dropout @ 300mA
90µA typical quiescent current
1nA typical shutdown mode
60dB typical PSRR
2.5V to 6V input range
120µs typical turn-on time
Stable with small ceramic output capacitors
37µV RMS output voltage noise (10Hz to 100kHz)
Over temperature/over current protection
±2% output voltage tolerance

Applications

Wireless handsets
DSP core power
Battery powered electronics
Portable information appliances

Reliability Metrics

Part Number	Process	Early Failure Rate - Rejects	Sample Size (EFR)	PPM *	Rel. Rejects	Device Hours	Long Term Failure Rates (FITS)	MTTF
LP3982ILD-1.8	CMOS7	2	14200	141	0	800000	5	226190940
LP3982ILD-2.5	CMOS7	2	14200	141	0	800000	5	226190940
LP3982ILD-2.77	CMOS7	2	14200	141	0	800000	5	226190940
LP3982ILD-2.82	CMOS7	2	14200	141	0	800000	5	226190940
LP3982ILD-3.0	CMOS7	2	14200	141	0	800000	5	226190940
LP3982ILD-3.3	CMOS7	2	14200	141	0	800000	5	226190940
LP3982ILD-ADJ	CMOS7	2	14200	141	0	800000	5	226190940
LP3982ILDX-1.8	CMOS7	2	14200	141	0	800000	5	226190940
LP3982ILDX-2.5	CMOS7	2	14200	141	0	800000	5	226190940
LP3982ILDX-2.77	CMOS7	2	14200	141	0	800000	5	226190940
LP3982ILDX-2.82	CMOS7	2	14200	141	0	800000	5	226190940
LP3982ILDX-3.0	CMOS7	2	14200	141	0	800000	5	226190940
LP3982ILDX-3.3	CMOS7	2	14200	141	0	800000	5	226190940
LP3982ILDX-ADJ	CMOS7	2	14200	141	0	800000	5	226190940
LP3982IMM-1.8	CMOS7	2	14200	141	0	800000	5	226190940
LP3982IMM-2.5	CMOS7	2	14200	141	0	800000	5	226190940
LP3982IMM-2.77	CMOS7	2	14200	141	0	800000	5	226190940
LP3982IMM-2.82	CMOS7	2	14200	141	0	800000	5	226190940
LP3982IMM-3.0	CMOS7	2	14200	141	0	800000	5	226190940
LP3982IMM-3.3	CMOS7	2	14200	141	0	800000	5	226190940
LP3982IMM-ADJ	CMOS7	2	14200	141	0	800000	5	226190940
LP3982IMMX-1.8	CMOS7	2	14200	141	0	800000	5	226190940
LP3982IMMX-2.5	CMOS7	2	14200	141	0	800000	5	226190940
LP3982IMMX-2.77	CMOS7	2	14200	141	0	800000	5	226190940
LP3982IMMX-2.82	CMOS7	2	14200	141	0	800000	5	226190940
LP3982IMMX-3.0	CMOS7	2	14200	141	0	800000	5	226190940
LP3982IMMX-3.3	CMOS7	2	14200	141	0	800000	5	226190940
LP3982IMMX-ADJ	CMOS7	2	14200	141	0	800000	5	226190940

For more information on Reliablitity Metrics, please click here.

Application Notes

Title	Size in Kbytes	Date	View Online	Download	Receive via Email
AN-1148: Application Note 1148 Linear Regulators: Theory of Operation and Compensation	200 Kbytes	25-Sep-02	View Online	Download	Receive via Email
AN-1187: Application Note 1187 Leadless Leadframe Package (LLP)	1463 Kbytes	26-Sep-03	View Online	Download	Receive via Email
Application Note 1187 Leadless Leadframe Package (LLP) (JAPANESE)	5326 Kbytes
AN-1201: Application Note 1201 8-Lead LLP Thermal Performance and Design Guidelines	59 Kbytes	17-Sep-02	View Online	Download	Receive via Email

If you have trouble printing or viewing PDF file(s), see Printing Problems.

[Information as of 15-Jan-2004]