LTM4645 datasheet(7/34 Pages) LINER

7 / 34 page

LTM4646

4646f

For more information www.linear.com/LTM4646

TYPICAL PERFORMANCE CHARACTERISTICS

Two-Phase Switching and Ripple

Short-Circuit Protection, No Load

Short-Circuit Protection, 10A Load

Single Phase Single Output

Start-Up, No Load

Single Phase Single Output

Start-Up, 10A Load

50µs/DIV

IOUT

5A/DIV

2.5VOUT

67mV/DIV

4646 G10

COUT = 100µF ×2, CERAMIC

CCOMP = 100pF, CFF = 47pF

f = 500kHz

50µs/DIV

IOUT

3.3A/DIV

3.3VOUT

67mV/DIV

4646 G11

COUT = 100µF ×1, CERAMIC

CCOMP = 100pF, CFF = 47pF

f = 750kHz

50µs/DIV

IOUT

3.3A/DIV

5VOUT

67mV/DIV

4646 G12

COUT = 100µF ×1, CERAMIC

CCOMP = 100pF, CFF = 47pF

f = 950kHz

50ms/DIV

VOUT

0.5V/DIV

IOUT

6.7A/DIV

4646 G13

12VIN, 1.5VOUT AT NO LOAD

COUT = 470µF ×1, 2.5V, SANYO POSCAP,

100µF ×4, 6.3V, CERAMIC

SOFT-START CAPACITOR = 0.1µF

USE RUN PIN TO CONTROL START-UP

20ms/DIV

4646 G14

VOUT

0.5V/DIV

IOUT

6.7A/DIV

12VIN, 1.5VOUT AT 10A LOAD

COUT = 470µF ×1, 2.5V, SANYO POSCAP,

100µF ×4, 6.3V, CERAMIC

SOFT-START CAPACITOR = 0.1µF

USE RUN PIN TO CONTROL START-UP

1µs/DIV

VOUT

5V/DIV

VOUT

10mV/DIV

4646 G15

12V TO 1V AT 20A TWO-PHASE

12V TO 1V AT 350kHz

RIPPLE AT 20A LOAD

COUT = 330F, 9mΩ, 100F ×4, CERAMIC

20ms/DIV

VOUT

500mV/DIV

IIN

1A/DIV

4646 G16

VIN = 12V

VOUT = 1.5V

IOUT = NO LOAD

20ms/DIV

VOUT

500mV/DIV

IIN

1A/DIV

4646 G17

VIN = 12V

VOUT = 1.5V

IOUT = 10A

2.5V Single Phase Single Output

Load Transient Response

3.3V Single Phase Single Output

Load Transient Response

5V Single Phase Single Output

Load Transient Response

LTM4645 Datasheet(PDF) 7 Page - Linear Technology

LTM4645 Datasheet(HTML) 7 Page - Linear Technology

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34

Datasheet Download

Link URL