MIC2182 Просмотр технического описания (PDF) - Micrel

Номер в каталоге

Компоненты Описание

производитель

MIC2182

High-Efficiency Synchronous Buck Controller

Micrel 

MIC2182

Load Transient Response

and Bode Plot

(4A Power Supply Configuration)

VIN = 12V

VOUT = 3.3V

L1 = 10µH

R2 = 20mΩ

Load Transient Response

and Bode Plot

(10A Power Supply Configuration)

Micrel

VIN = 6V

VOUT = 3.3V

L1 = 3.3µH

R2 = 7.5mΩ

Bode Plot

(4A Power Supply Configuration)

100

210

80

180

60

GAIN

150

40

PHASE

120

20

90

0

60

-20

30

-40

0

FREQUENCY (Hz)

12V Efficiency

(4A Power Supply Configuration)

100

80 Skip

PWM

60

40 VIN = 12V

R2 = 15mΩ

L1 = 10µH

20

1 high-side MOSFET: Si4800

1 low-side MOSFET: Si4800

00.01

0.1

1

4

OUTPUT CURRENT (A)

5V Efficiency

(4A Power Supply Configuration)

100

Skip

80

PWM

60

40 VIN = 5V

R2 = 15mΩ

L1 = 10µH

20

1 high-side MOSFET: Si4800

1 low-side MOSFET: Si4800

00.01

0.1

1

4

OUTPUT CURRENT (A)

24V Efficiency

(4A Power Supply Configuration)

100

80

Skip

60

PWM

40 VIN = 24V

R2 = 15mΩ

L1 = 10µH

20

1 high-side MOSFET: Si4800

1 low-side MOSFET: Si4800

00.01

0.1

1

4

OUTPUT CURRENT (A)

Bode Plot

(10A Power Supply Configuration)

100

210

80

180

60

GAIN

150

40

120

20

90

0

60

-20

PHASE

30

-40

0

FREQUENCY (Hz)

Efficiency

(10A Power Supply Configuration)

100

Skip

80

60

PWM

40

R2 = 7.5mΩ

L1 = 3.3µH

20

2 high-side MOSFETs: Si4884

2 low-side MOSFETs: Si4884

00.01

0.1

1

10

OUTPUT CURRENT (A)

April 22, 2004

25

M9999-042204

Share Link: