SC401B View Datasheet(PDF) - Semtech Corporation

Part Name

Description

Manufacturer

SC401B

15A Integrated FET Regulator with Programmable LDO

Semtech Corporation 

SC401B

Typical Characteristics (continued)

Characteristics in this section are based on using the Typical Application Circuit on page 8.

Load Regulation — FCM

VDD = 5V, VOUT = 1.5V

1.535

Load Regulation — FCM

VDD = 3.3V, VOUT = 1.5V

1.535

1.530

1.530

1.525

1.520

1.515

VIN = 12V

VIN = 5V

1.510

1.505

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

IOUT (A)

Load Regulation — PSAVE

VDD = 5V, VOUT = 1.5V

1.535

1.525

1.520

1.515

VIN = 12V

VIN = 5V

1.510

1.505

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

IOUT (A)

Load Regulation — PSAVE

VDD = 3.3V, VOUT = 1.5V

1.535

1.530

1.530

1.525

1.520

1.515

VIN = 12V

VIN = 5V

1.525

1.520

1.515

VIN = 12V

VIN = 5V

1.510

1.510

1.505

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

IOUT (A)

1.505

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

IOUT (A)

Switching Frequency — PSAVE Mode vs. FCM

VDD = 5V, VOUT = 1.5V, VIN = 12V

350

300

FCM

250

200

150

PSAVE

100

50

0

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

IOUT (A)

Switching Frequency — PSAVE vs. FCM

VDD = 3.3V, VOUT = 1.5V, VIN = 12V

350

300

250

200

150

100

50

0

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

IOUT (A)

10

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