SC198 datasheet(12/16 Pages) SEMTECH

номер детали	SC198

подробное описание детали	Dual DC-DC Buck Converter with High Current Capability

PDF	16 Pages

Scroll/Zoom	100%

производитель	SEMTECH [Semtech Corporation]

домашняя страница	http://www.semtech.com

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12 / 16 page

Typical Characteristics

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SC198

POWER MANAGEMENT

100

0.001

0.01

0.1

Load (A)

VOUT = 1V PWM

VOUT = 1.8V PWM

VOUT = 1V PSAVE

VOUT = 1.8V PSAVE

ENA=ENB=VIN

100

0.001

0.01

0.1

Load (A)

VOUT = 1V PSAVE

VOUT = 1.8V PWM

VOUT = 1V PWM

VOUT = 1.8V PSAVE

ENA=ENB=VIN

-0.2

-0.15

-0.1

-0.05

0.05

0.1

0.15

0.2

2.73.1

3.53.9

4.34.7

5.15.5

Input (V)

VOUT = 1V

VOUT = 1.8V

-1

-0.8

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.8

0.001

0.01

0.1

Load (A)

VOUT = 1.8V

VOUT = 1V

Efﬁciency vs. Load @ 2.7V

Efﬁciency vs. Load @ 3.6V

Efﬁciency vs. Load @ 5.5V

Line Regulation at 300mA

OUT

Load Regulation at 3.6V

IN (PWM)

100

0.001

0.01

0.1

Load (A)

VOUT = 1V PSAVE

VOUT = 1V PWM

VOUT = 1.8V PWM

VOUT = 1.8V PSAVE

ENA=ENB=VIN

-8.0

-6.0

-4.0

-2.0

0.0

2.0

4.0

2.7

3.1

3.5

3.9

4.3

4.7

5.1

5.5

Input (V)

-40°C

85°C

25°C

Oscillator Frequency vs. Input Voltage

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