1.5 A Secondary Side Post Regulator for Multiple Output AC-DC and DC-DC Converters

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Overview

The CS5101 is a bipolar monolithic secondary side post regulator (SSPR) which provides tight regulation of multiple output voltages in ac-dc or dc-dc converters. Leading edge pulse width modulation is used with the CS5101.
The CS5101 is designed to operate over an 8.0 V to 45 V supply voltage (VCC) range and up to a 75 V drive voltage (VC).
The CS5101 features include a totem pole output with 1.5 A peak output current capability, externally programmable overcurrent protection, an on chip 2.0% precision 5.0 V reference, internally compensated error amplifier, externally synchronized switching frequency, and a power switch drain voltage monitor. It is available in a 14 lead plastic DIP or a 16 lead wide body SO package.

  • 1.5 A Peak Output (Grounded Totem Pole)
  • 8.0 V to 75 V Gate Drive Voltage
  • 8.0 V to 45 V Supply Voltage
  • 300 ns Propagation Delay
  • 1.0% Error Amplifier Reference Voltage
  • Lossless Turn On and Turn Off
  • Sleep Mode: < 100 µA
  • Overcurrent Protection with Dedicated Differential Amp
  • Synchronization to External Clock
  • External Power Switch Drain Voltage Monitor
  • Pb-Free Packages are Available

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6

Product

Status

ECAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Topology

Control Mode

VCC Min (V)

VCC Max (V)

VO Typ (V)

IO Typ (A)

Efficiency (%)

fSW Typ (kHz)

Pricing ($/Unit)

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CS5101EDWR16G

Obsolete

Pb

A

H

P

SOIC-16W

3

260

REEL

1000

N

Step-Down

-

8

45

4.8 to 5.2

1.5

-

-

Price N/A

More Details

CS5101EDW16G

Obsolete

Pb

A

H

P

SOIC-16W

3

260

TUBE

47

N

Step-Down

-

8

45

4.8 to 5.2

1.5

-

-

Price N/A

More Details

CS5101EN14G

Obsolete

Pb

A

H

P

PDIP-14

NA

0

TUBE

25

N

Step-Down

-

8

45

4.8 to 5.2

1.5

-

-

Price N/A

More Details

CS5101EDWR16

Obsolete

Pb

A

H

P

SOIC-16W

1

235

REEL

1000

N

Step-Down

-

8

45

4.8 to 5.2

1.5

-

-

Price N/A

More Details

CS5101EDW16

Obsolete

Pb

A

H

P

SOIC-16W

1

235

TUBE

47

N

Step-Down

-

8

45

4.8 to 5.2

1.5

-

-

Price N/A

More Details

CS5101EN14

Obsolete

Pb

A

H

P

PDIP-14

NA

0

TUBE

25

N

Step-Down

-

8

45

4.8 to 5.2

1.5

-

-

Price N/A

More Details

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