LTM4600EV-PBF 查看數據表（PDF） - Linear Technology

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LTM4600EV-PBF

10A High Efficiency DC/DC µModule

Linear Technology 

LTM4600

Electrical Characteristics The l denotes the specifications which apply over the –40°C to 85°C

temperature range, otherwise specifications are at TA = 25°C, VIN = 12V. Per typical application (front page) configuration.

SYMBOL

PARAMETER

CONDITIONS

MIN TYP MAX UNITS

VIN(DC)

VOUT(DC)

Input DC Voltage

Output Voltage

l 4.5

20

V

FCB = 0V

VIN = 5V or 12V, VOUT = 1.5V, IOUT = 0A

1.478 1.50 1.522

V

l 1.470 1.50 1.530

V

Input Specifications

VIN(UVLO)

IINRUSH(VIN)

Under Voltage Lockout Threshold

Input Inrush Current at Startup

IQ(VIN)

Input Supply Bias Current

IS(VIN)

Input Supply Current

Output Specifications

IOUT = 0A

IOUT = 0A. VOUT = 1.5V, FCB = 0

VIN = 5V

VIN = 12V

IOUT = 0A, EXTVCC Open

VIN = 12V, VOUT = 1.5V, FCB = 5V

VIN = 12V, VOUT = 1.5V, FCB = 0V

VIN = 5V, VOUT = 1.5V, FCB = 5V

VIN = 5V, VOUT = 1.5V, FCB = 0V

Shutdown, RUN = 0.8V, VIN = 12V

VIN = 12V, VOUT = 1.5V, IOUT = 10A

VIN = 12V, VOUT = 3.3V, IOUT = 10A

VIN = 5V, VOUT = 1.5V, IOUT = 10A

3.4

4

V

0.6

A

0.7

A

1.2

mA

42

mA

1.0

mA

52

mA

35

75

µA

1.52

A

3.13

A

3.64

A

IOUTDC

ΔVOUT(LINE)

VOUT

ΔVOUT(LOAD)

VOUT

VOUT(AC)

fs

tSTART

ΔVOUTLS

Output Continuous Current Range

VIN = 12V, VOUT = 1.5V

(See Output Current Derating Curves for

Different VIN, VOUT and TA)

Line Regulation Accuracy

VOUT = 1.5V, IOUT = 0A, FCB = 0V,

VIN = 4.5V to 20V

0

l

Load Regulation Accuracy

Output Ripple Voltage

Output Ripple Voltage Frequency

Turn-On Time

Voltage Drop for Dynamic Load Step

VOUT = 1.5V, IOUT = 0A to 10A, FCB = 0V

VIN = 5V

VIN = 12V (Notes 3, 4)

l

VIN = 12V, VOUT = 1.5V, IOUT = 0A, FCB = 0V

VOUT = 1.5V, IOUT = 5A, FCB = 0V

VOUT = 1.5V, IOUT = 1A

VIN = 12V

VIN = 5V

VOUT = 1.5V, Load Step: 0A/µs to 5A/µs

COUT = 3 • 22µF 6.3V, 470µF 4V POSCAP,

See Table 2

10

A

0.15

0.3

%

±1

%

±1.5

%

10

15

mVP-P

850

kHz

0.5

ms

0.7

ms

36

mV

tSETTLE

IOUTPK

Control Stage

Settling Time for Dynamic Load Step

Output Current Limit

Load: 10% to 90% to 10% of Full Load

Output Voltage in Foldback

VIN = 12V, VOUT = 1.5V

VIN = 5V, VOUT = 1.5V

25

µs

14

A

14

A

VOSET

Voltage at VOSET Pin

IOUT = 0A, VOUT = 1.5V

l 0.591 0.6 0.609

V

0.594 0.6 0.606

V

VRUN/SS

IRUN(C)/SS

IRUN(D)/SS

VIN – SVIN

RUN ON/OFF Threshold

Soft-Start Charging Current

Soft-Start Discharging Current

VRUN/SS = 0V

VRUN/SS = 4V

EXTVCC = 0V, FCB = 0V

0.8

1.5

2

V

–0.5 –1.2

–3

µA

0.8

1.8

3

µA

100

mV

For more information www.linear.com/LTM4600

4600fd

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