1.2MHZ MICROPOWER SYNCHRONOUS STEP-UP CONVERTER

2007-4-19

2/9

FSP3603

ABSOLUTE MAXIMUM RATINGS

(NOTE 1)

Parameter

Rating

Unit

- 0.3 ~ +6

V

- 0.3 ~ +6

V

- 0.3 ~ +6

A

FB SHDN Voltages

- 0.3 ~ +6

℃

Operating Temperature Range（Note 2）

- 40 ~ +85

℃

Lead Temperature (Soldering 10 sec.)

+ 300

℃

Thermal Resistance(Note 3)

℃

/W

Storage Temperature Range

- 65 ~ +150

℃

Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired.

Note 3: Thermal Resistance is specified with approximately 1 square of 1 oz copper.

ELECTRICAL CHARACTERISTICS

(NOTE 4)

Parameter

Condition

Min.

Typ.

Max.

Unit

Output Voltage Range

2.5

5

V

Minimum Start-Up Voltage

0.85

1.0

V

Minimum Operating Voltage

0.5

0.65

V

0.95

1.2

1.5

Switching Frequency

- 40℃ ~ +85℃

0.85

1.2

1.5

MHz

Max Duty Cycle

80

85

%

Current Limit Delay to Output

Guaranteed by design

40

ns

Feedback Voltage

- 40℃ ~ +85℃

1.192

1.230

1.268

V

NMOS Switch Leakage

0.1

5

µA

PMOS Switch Leakage

0.1

5

µA

0.40

NMOS Switch On Resistance

0.35

Ω

0.70

PMOS Switch On Resistance

0.60

Ω

NMOS Current Limit

600

850

mA

Quiescent Current (Active)

300

500

µA

Shutdown Current

0.01

1

µA

Line Regulation

1

%/V

Load Regulation

0.02

%/mA

SHDN Input Threshold

0.35

0.60

1.50

V

SHDN Input Current

0.01

1

µA

Note 4: 100% production test at +25°C. Specifications over the temperature range are guaranteed by design

and characterization.