LDO Regulator, 300 mA, with Quick Start

Obsolete

Overview

The CAT6218 is a 300 mA CMOS low dropout regulator that provides fast response time during load current and line voltage changes.

The quick-start feature allows the use of an external bypass capacitor to reduce the overall output noise without affecting the turn-on time of just 150 µs.

With zero shutdown current and low ground current of 55 µA typical, the CAT6218 is ideal for battery-operated devices with supply voltages from 2.3 V to 5.5 V. An internal under voltage lockout circuit disables the output at supply voltages under 2.1 V typical.

The CAT6218 offers 1% initial accuracy and low dropout voltage, 180 mV typical at 300 mA. Stable operation is provided with a small value ceramic capacitor, reducing required board space and component cost.

Other features include fold-back current current limit and thermal protection.

The device is available in the low profile (1 mm max height) 5-lead thin SOT23 package.

  • Cellular phones
  • Battery powered devices
  • Consumer electronics

  • Guaranteed 300 mA output current
  • Low dropout voltage of 180 mV typical at 300 mA
  • Stable with 1 µF ceramic output capacitor
  • External 10 nF bypass capacitor for low noise
  • Quick-start feature
  • No-load ground current of 55 µA typical
  • Full-load ground current of 80 µA typical
  • ±1.0% initial accuracy (VOUT ≥ 2.0V)
  • ±2.0% accuracy over temperature (VOUT ≥ 2.0V)
  • “Zero” current shutdown mode
  • Fold-back current limit and undervoltage lockout
  • Thermal protection
  • Thin SOT23-5 package

Product Resources

Product services, tools and other useful resources related to CAT6218

Product List

If you wish to buy products or product samples, please log in to your onsemi account.

Search

Close Search

Products:

8

Share

Product Groups:

Orderable Parts:

8

Product

Status

CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Output

Polarity

VO (V)

IO Typ (A)

VI Min (V)

VI Max (V)

VDO Typ (V)

Iq Typ (mA)

PSRR (dB)

Noise (µVrms)

Enable

PowerGood

Application

Reference Price

CAT6218-180TDGT3

Loading...

Obsolete

CAD Model

Pb

A

H

P

TSOT-23-5

1

260

REEL

3000

N

Single

Positive

1.8

0.3

2.3

5.5

0.18

0.08

64

45

Yes

No

-

Price N/A

More Details

CAT6218-240TDGT3

Loading...

Obsolete

CAD Model

Pb

A

H

P

TSOT-23-5

1

260

REEL

3000

N

Single

Positive

2.4

0.3

2.3

5.5

0.18

0.08

64

45

Yes

No

-

Price N/A

More Details

CAT6218-250TDGT3

Loading...

Obsolete

CAD Model

Pb

A

H

P

TSOT-23-5

1

260

REEL

3000

N

Single

Positive

2.5

0.3

2.3

5.5

0.18

0.08

64

45

Yes

No

-

Price N/A

More Details

CAT6218-270TDGT3

Loading...

Obsolete

CAD Model

Pb

A

H

P

TSOT-23-5

1

260

REEL

3000

N

Single

Positive

2.7

0.3

2.3

5.5

0.18

0.08

64

45

Yes

No

-

Price N/A

More Details

CAT6218-285TDGT3

Loading...

Obsolete

CAD Model

Pb

A

H

P

TSOT-23-5

1

260

REEL

3000

N

Single

Positive

2.85

0.3

2.3

5.5

0.18

0.08

64

45

Yes

No

-

Price N/A

More Details

CAT6218-300TDGT3

Loading...

Obsolete

CAD Model

Pb

A

H

P

TSOT-23-5

1

260

REEL

3000

N

Single

Positive

3

0.3

2.3

5.5

0.18

0.08

64

45

Yes

No

-

Price N/A

More Details

CAT6218-320TDGT3

Loading...

Obsolete

CAD Model

Pb

A

H

P

TSOT-23-5

1

260

REEL

3000

N

Single

Positive

3.2

0.3

2.3

5.5

0.18

0.08

64

45

Yes

No

-

Price N/A

More Details

CAT6218-330TDGT3

Loading...

Obsolete

CAD Model

Pb

A

H

P

TSOT-23-5

1

260

REEL

3000

N

Single

Positive

3.3

0.3

2.3

5.5

0.18

0.08

64

45

Yes

No

-

Price N/A

More Details

Show More

1-25 of 25

Products per page

Jump to :

Product Support

If you're interested to learn about this onsemi product, contact sales by filling out the form below.