1

6

  

2

5

  

3

4

 

 

 

 

HM6311

Adjustable Version

 

 

PIN CONFIGURATION

ABSOLUTEMAXIMUM RATINGS

 

(Note: Exceeding these limits may damage the device. Exposure to absolute maximum

rating conditions for long periods may affect device reliability.)

GND

1

 

OUT

2

 

FB

3

 

 

 

 

 

 

GND

1

 

 

OUT

2

 

 

3

 

 

HM6311

Adjustable Version

 

 

 

 

DFN2x2-6

 

 

 

 

 

HM6311

Fixed Voltage Version

6

IN

 

5

SW

 

 

4

EN

 

 

 

 

 

 

6

IN

 

 

5

SW

 

 

4

EN

OUT

GND

EN

 

 

 

 

OUT

1

 

 

GND

2

 

 

EN

3

 

 

 

 

 

 

 

SOT23-6

 

 

 

 

 

HM6311

Fixed Voltage Version

SW

FB

IN

 

 

 

 

 

 

6

SW

 

 

5

 

 

4

IN

 

 

IN OUT, SW, FB, EN Voltage...............................-0.3V to 6.5V

SW to ground current ................................Internally limited

Operating Temperature Range ......................–40°C to 85°C

Storage Temperature Range ........................–55°C to 150°C

Thermal Resistance

SOT23-6...............................180.............90................°C/W

DFN2x2-6..............................80..............30................°C/W

Lead Temperature (Soldering 10ssec) .......................260°C

ESD HBM (Human Body Mode) .....................................2KV

ESD MM (Machine Mode) ...........................................200V

 

DFN2x2-6

SOT23-6

 

 

 

ELECTRICAL CHACRACTERISTICS

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Quiescent Current at OUT, adjustable version

1

2

μA

1.2

2.5

μA

Shutdown Supply Current at IN

0.32

μA

IN StartupVoltage

0.8

V IN

OperationVoltage

After Start-up

0.6

5

V

Output Voltage at 5V

4.85

5

5.15

V

Output Voltage at 3.3V

3.2

3.3

3.4

V

FeedbackVoltage

1.076

1.11

1.144

V

Switching Frequency

1.4

MHz

NMOS Switch On Resistance

250

mΩ

PMOS Switch On Resistance

160

mΩ

SW Leakage Current

 

10

μA

NMOS Switch Current Limit

1

A

Start-up Current Limit

1

A

ON

1.3

ms

Short Circuit Hiccup time

 

OFF

33

ms

EN Input Current

-1

0

1

μA

EN High Voltage

1.2

V

EN low Voltage

0.3

V

Thermal Shutdown

Rising, Hysteresis=25°C

155

°C

HM6311