2.5MHz, 1500mA, Synchronous TinyBoost™ Regulator with Bypass Mode

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Overview

The FAN48630 allows systems to take advantage of new battery chemistries that can supply significant energy when the battery voltage is lower than the required voltage for system power ICs. By combining built-in power transistors, synchronous rectification, and low supply current; this IC provides a compact solution for systems using advanced Li-Ion battery chemistries.
The FAN48630 is a boost regulator designed to provide a minimum output voltage (VOUT(MIN)) from a single-cell Li-Ion battery, even when the battery voltage is below system minimum. Output voltage regulation is guaranteed to a maximum load current of 1500mA. Quiescent current in Shutdown Mode is less than 3µA, which maximizes battery life. The regulator transitions smoothly between Bypass and normal Boost Mode. The device can be forced into Bypass Mode to reduce quiescent current.
The FAN48630 is available in a 16-bump, 0.4mm pitch, Wafer-Level Chip-Scale Package (WLCSP).

  • Few External Components: 0.47 µH Inductor and 0603 Case Size Input and Output Capacitors
  • Input Voltage Range: 2.35 V to 5.5 V
  • Fixed Output Voltage Options: 3.0 V to 5.0 V
  • Maximum Continuous Load Current: 1500 mA at VIN of 2.6 V Boosting VOUT to 3.5 V
  • Up to 96% Efficient
  • True Bypass Operation when VIN > Target VOUT
  • Internal Synchronous Rectifier
  • Soft-Start with True Load Disconnect
  • Forced Bypass Mode
  • VSEL Control to Optimize Target VOUT
  • Short-Circuit Protection
  • Low Operating Quiescent Current
  • 16-Bump, 0.4 mm Pitch WLCSP

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ECAD Models

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Case Outline

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MSL Temp (°C)

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VCC Min (V)

VCC Max (V)

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FAN48630BUC34X

Last Shipments

Pb

A

H

P

WLCSP-16

1

260

REEL

3000

N

Step-Up

Voltage Mode

2.35

5.5

3.4

1.5

96

2500

Price N/A

More Details

FAN48630UC33X

Lifetime

Pb

A

H

P

WLCSP-16

1

260

REEL

3000

N

Step-Up

Voltage Mode

2.35

5.5

3.3

1.5

96

2500

$0.4998

More Details

FAN48630UC45X

Lifetime

Pb

A

H

P

WLCSP-16

1

260

REEL

3000

N

Step-Up

Voltage Mode

2.35

5.5

4.5

1.5

96

2500

$0.4998

More Details

FAN48630BUC33X

Active

Pb

A

H

P

WLCSP-16

1

260

REEL

3000

Y

Step-Up

Voltage Mode

2.35

5.5

3.3

1.5

96

2500

$0.4294

More Details

FAN48630UC35X

Lifetime

Pb

A

H

P

WLCSP-16

1

260

REEL

3000

N

Step-Up

Voltage Mode

2.35

5.5

3.5

1.5

96

2500

$0.4208

More Details

FAN48630UC50X

Lifetime

Pb

A

H

P

WLCSP-16

1

260

REEL

3000

N

Step-Up

Voltage Mode

2.35

5.5

5

1.5

96

2500

$0.4998

More Details

FAN48630UC315X

Lifetime

Pb

A

H

P

WLCSP-16

1

260

REEL

3000

N

Step-Up

Voltage Mode

2.35

5.5

3.15

1.5

96

2500

$0.4998

More Details

FAN48630UC37AX

Active

Pb

A

H

P

WLCSP-16

1

260

REEL

3000

Y

Step-Up

Voltage Mode

2.35

5.5

3.7

1.5

96

2500

$0.4998

More Details

FAN48630BUC315X

Last Shipments

Pb

A

H

P

WLCSP-16

1

260

REEL

3000

N

Step-Up

Voltage Mode

2.35

5.5

3.15

1.5

96

2500

Price N/A

More Details

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