SMM764 datasheet(8/33 Pages) SUMMIT

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SMM764

Preliminary Information

Summit Microelectronics, Inc

2098 1.1 6/29/2005

Temperature Under Bias....................... -55

°C to 125°C

Storage Temperature............................ -65

°C to 150°C

Terminal Voltage with Respect to GND:

VDD Supply Voltage ......................... -0.3V to 6.0V

12VIN Supply Voltage ..................... -0.3V to 15.0V

PUPA, through PUPF....................... -0.3V to 15.0V

All Others ................................-0.3V to VDD + 0.7V

Output Short Circuit Current ............................... 100mA

Lead Solder Temperature (10 s).......................... 300

°C

Junction Temperature .......................................... 150°C

ESD Rating per JEDEC ....................................... 2000V

Latch-Up testing per JEDEC.............................

±100mA

Note - The device is not guaranteed to function outside its operating rating.

Stresses listed under Absolute Maximum Ratings may cause permanent

damage to the device. These are stress ratings only and functional operation

of the device at these or any other conditions outside those listed in the

operational sections of the specification is not implied. Exposure to any

absolute maximum rating for extended periods may affect device performance

and reliability.

Devices are ESD sensitive. Handling precautions are

recommended.

Temperature Range (Industrial)...........–40

°C to +85°C

(Commercial) ..............0

°C to +70°C

VDD Supply Voltage .................................. 2.7V to 5.5V

12VIN Supply Voltage

1 ............................6.0V to 14.0V

VIN ............................................................ GND to VDD

VOUT ...................................................... GND to 14.0V

Package Thermal Resistance (

θJA)

48 Lead TQFP ................................................80

oC/W

Moisture Classification Level 1 (MSL 1) per J-STD- 020

RELIABILITY CHARACTERISTICS

Data Retention .............................................. 100 Years

Endurance..............................................100,000 Cycles

DC OPERATING CHARACTERISTICS

(Over recommended operating conditions, unless otherwise noted. All voltages are relative to GND.)

Symbol

Parameter

Notes

Min

Typ

Max

Unit

VDD

Supply voltage

2.7

5.5

Internally regulated to 5.5V

12VIN

Supply voltage

Internally regulated to 3.6V

IDD

Power supply current from VDD

All TRIM pins floating,

12VIN floating

I12VIN

Power supply current from 12VIN

All TRIM pins floating,

VDD floating

TRIM characteristics

TRIM sourcing maximum

current

1.5

ITRIM

TRIM output current through

100

Ω to 1.0V

TRIM sinking maximum

current

1.5

VTRIM

Margin and ADOC range

Depends on TRIM range

of DC-DC converter

VREF/4

VDD

TRIM_CAP characteristics

ITRIM_CAP

TRIM output current through 1uF

capacitor to ground

Max acceptable board and

cap leakage is 50 nA 2

100

All other input and output characteristics

VDD = 2.7V

0.8 x

VDD_CAP

VIH

Input high voltage (MR#, SDA,

SCL, PWR_ON, SEQ_LINK,

FS#)

VDD = 5.0V

0.7 x

VDD_CAP

VDD = 2.7V

0.2 x

VDD_CAP

VIL

Input low voltage (MR#, SDA,

SCL, PWR_ON, SEQ_LINK,

FS#)

VDD = 5.0V

0.3 x

VDD_CAP

ABSOLUTE MAXIMUM RATINGS

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