IP6518

V1.5

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Power switch system

Upper MOSFET on

resistance

RDS(ON)

50

mΩ

Lower MOSFET on

resistance

RDS(ON)

40

mΩ

Switch frequency

FS

200

KHz

Output system

Output voltage

VOUT

3

5

20

V

Output

voltage

ripple

ΔVOUT

VIN=12V，VOUT=5V@3A

120

mV

VIN=12V，VOUT=9V@2A

120

mV

VIN=24V，VOUT=12V@1.5A

120

mV

VIN=28V，VOUT=20V@1.5A

200

mV

Soft start time

TSS

VIN=12V，VOUT=5V

10

ms

Output

line

compensate voltage

VCOMP

VIN=12V，VOUT=5V，IOUT=1A

50

mV

Max

current

of

output CC mode

IOUT

VIN=12V，VOUT<=4V

3.6

A

VIN=12V，4V<VOUT<=5V

3.4

A

VIN=12V，5V<VOUT<=7V

3

A

VIN=12V，7V<VOUT<=9V

3

A

VIN=24V，9V<VOUT<=12V

3

A

VIN=28V，12<VOUT<=20V

2.3

A

Output

hiccup

restart voltage

VOUT

When output enters CC mode, output

hiccup restart voltage

2.7

V

Thermal shutdown

temperature

TOTP

Rising temperature

140

℃

Thermal shutdown

temperature

hysteresis

ΔTOTP

40

℃

9 Function Description

Synchronized switch buck regulator

IP6518 integrate a synchronized switch buck regulator, input voltage ranges from 10.5V to 32V and

output from 3V to 20V, maximum output current if 4.5A. The frequency of the switch is 200kHz. When