Linear Regulators (LDO) | CAT6217

150 mA LDO Regulator

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Overview

The CAT6217 is a 150 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 CAT6217 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 CAT6217 offers 1% initial accuracy and low dropout voltage, 90 mV typical at 150 mA. Stable operation is provided with a 1 µF ceramic capacitor, reducing required board space and component cost.

Other features include output short-circuit 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 150 mA output current
  • Low dropout voltage of 90 mV typical at 150 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
  • Current limit and undervoltage lockout
  • Thermal protection
  • Thin SOT23-5 package

Material Composition

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Orderable Parts:

6

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

Pricing ($/Unit)

CAT6217-285TDGT3

Obsolete

CAD Model

Pb

A

H

P

TSOT-23-5

419AE

1

260

REEL

3000

N

Single

Positive

2.85

0.15

2.3

5.5

0.09

0.08

64

45

Yes

No

-

Price N/A

More Details

CAT6217-250TDGT3

Obsolete

CAD Model

Pb

A

H

P

TSOT-23-5

419AE

1

260

REEL

3000

N

Single

Positive

2.5

0.15

2.3

5.5

0.09

0.08

64

45

Yes

No

-

Price N/A

More Details

CAT6217-150TDGT3

Obsolete

CAD Model

Pb

A

H

P

TSOT-23-5

419AE

1

260

REEL

3000

N

Single

Positive

1.5

0.15

2.3

5.5

0.09

0.08

64

45

Yes

No

-

Price N/A

More Details

CAT6217-280TDGT3

Obsolete

CAD Model

Pb

A

H

P

TSOT-23-5

419AE

1

260

REEL

3000

N

Single

Positive

2.8

0.15

2.3

5.5

0.09

0.08

64

45

Yes

No

-

Price N/A

More Details

CAT6217-180TDGT3

Obsolete

CAD Model

Pb

A

H

P

TSOT-23-5

419AE

1

260

REEL

3000

N

Single

Positive

1.8

0.15

2.3

5.5

0.09

0.08

64

45

Yes

No

-

Price N/A

More Details

CAT6217-330TDGT3

Obsolete

CAD Model

Pb

A

H

P

TSOT-23-5

419AE

1

260

REEL

3000

N

Single

Positive

3.3

0.15

2.3

5.5

0.09

0.08

64

45

Yes

No

-

Price N/A

More Details

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