LTM4620AY Ver la hoja de datos (PDF) - Linear Technology

Número de pieza

componentes Descripción

Fabricante

LTM4620AY

Dual 13A or Single 26A DC/DC µModule Regulator

Linear Technology 

LTM4620A

TYPICAL PERFORMANCE CHARACTERISTICS

Efficiency vs Output Current,

VIN = 5V

100

95

90

85

80

5V TO 1V (400kHz)

5V TO 1.2V (400kHz)

5V TO 1.5V (400kHz)

75

5V TO 1.8V (500kHz)

5V TO 2.5V (500kHz)

5V TO 3.3V (500kHz)

70

1 2.4 3.8 5.2 6.6 8.0 9.4 10.8 12.2

OUTPUT CURRENT (A)

4620A G01

12V to 1V Load Step Response

Efficiency vs Output Current,

VIN = 8V

100

95

90

85

8V TO 1V (400kHz)

8V TO 1.2V (400kHz)

80

8V TO 1.5V (500kHz)

8V TO 1.8V (600kHz)

8V TO 2.5V (650kHz)

75

8V TO 3.3V (700kHz)

8V TO 5V (750kHz)

TIE 5VOUT TO EXTVCC

70

1 2.4 3.8 5.2 6.6 8.0 9.4 10.8 12.2

OUTPUT CURRENT (A)

4620A G02

12V to 1.2V Load Step Response

Efficiency vs Output Current,

VIN = 12V

100

95

90

85

12V TO 1V (400kHz)

12V TO 1.2V (400kHz)

80

12V TO 1.5V (500kHz)

12V TO 1.8V (600kHz)

12V TO 2.5V (650kHz)

75

12V TO 3.3V (700kHz)

12V TO 5V (750kHz)

70

TIE 5VOUT TO EXTVCC

1 2.4 3.8 5.2 6.6 8.0 9.4 10.8 12.2

OUTPUT CURRENT (A)

4620A G03

12V to 1.5V Load Step Response

20mV/DIV

20mV/DIV

50mV/DIV

5A/DIV

6A/µs STEP

5A/DIV

6A/µs STEP

5A/DIV

6A/µs STEP

50µs/DIV

CFF = 150pF

COUT = 2 × 470µF 9mΩ EACH POSCAP

1 × 100µF CERAMIC

4620A G04

50µs/DIV

CFF = 150pF

COUT = 2 × 470µF 9mΩ EACH POSCAP

1 × 100µF CERAMIC

4620A G05

50µs/DIV

CFF = 47pF

COUT = 220µF 9mΩ POSCAP

100µF CERAMIC

4620A G06

12V to 1.8V Load Step Response

12V to 2.5V Load Step Response

12V to 3.3V Load Step Response

50mV/DIV

50mV/DIV

100mV/DIV

5A/DIV

6A/µs STEP

50µs/DIV

CFF = 33pF

COUT = 220µF 9mΩ POSCAP

100µF CERAMIC

5A/DIV

6A/µs STEP

4620A G07

50µs/DIV

CFF = 100pF

COUT = 220µF 9mΩ POSCAP

100µF CERAMIC

5A/DIV

6A/µs STEP

4620A G08

50µs/DIV

CFF = 33pF

COUT = 100µF 15mΩ POSCAP

100µF CERAMIC

4620A G09

4620afc

6

For more information www.linear.com/LTM4620A

Share Link: