LTM4600HVIV(RevE) Ver la hoja de datos (PDF) - Linear Technology

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Fabricante

LTM4600HVIV
(Rev.:RevE)

10A, 28VIN High Efficiency DC/DC µModule

Linear Technology 

LTM4600HV

Typical Performance Characteristics (See Figure 21 for all curves)

Start-Up, IOUT = 0A

VOUT

(0.5V/DIV)

IIN

(0.5A/DIV)

Start-Up, IOUT = 10A

(Resistive Load)

VOUT

(0.5V/DIV)

IIN

(0.5A/DIV)

200µs/DIV

4600HV G10

VIN = 12V

VOUT = 1.5V

COUT = 200µF

NO EXTERNAL SOFT-START CAPACITOR

200µs/DIV

4600HV G11

VIN = 12V

VOUT = 1.5V

COUT = 200µF

NO EXTERNAL SOFT-START CAPACITOR

Short-Circuit Protection,

IOUT = 0A

VOUT

(0.5V/DIV)

IIN

(0.2A/DIV)

200µs/DIV

4600HV G12

VIN = 12V

VOUT = 1.5V

COUT = 2× 200µF/X5R

NO EXTERNAL SOFT-START CAPACITOR

Short-Circuit Protection,

IOUT = 10A

VOUT

(0.5V/DIV)

IIN

(0.5A/DIV)

20µs/DIV

4600HV G13

VIN = 12V

VOUT = 1.5V

COUT = 2× 200µF/X5R

NO EXTERNAL SOFT-START CAPACITOR

VOSET vs Temperature

0.610

0.605

0.600

0.595

0.590

–55 –25 5

35 65

TEMPERATURE (°C)

95 125

4600HV G15

Start-Up Waveform, TA = –55°C

VIN = 12V

VOUT = 1.5V

IOUT = 10A

400μs/DIV

4600HV G16

6

For more information www.linear.com/LTM4600HV

VIN to VOUT Step-Down Ratio

5.5 fADJ = OPEN

5V

5.0

4.5

4.0

3.5

3.3V

3.0

2.5V

2.5

2.0

1.8V

1.5

1.5V

1.0

1.2V

0.5

0

0

0.6V

5

10

15

20

24

VIN (V)

SEE FREQUENCY ADJUSTMENT DISCUSSION

FOR 12VIN TO 5VOUT AND 5VIN TO 3.3VOUT

CONVERSION

4600HV G14

12V Input Load Regulation vs

Temperature

0.00

–0.05

–0.10

–0.15

–0.20

–0.25

–0.30

–0.35

–0.40

25°C

100°C

–45°C

–0.45

0

5

10

LOAD CURRENT

4600HV G17

4600hvfe

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