LTC3805-5 datasheet(2/20 Pages) LINER

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LTC3805-5

38055fa

ABSOLUTE MAXIMUM RATINGS

VCC to GND

Low Impedance Source ........................ –0.3V to 8.8V

Current Fed ........................................25mA into VCC*

SYNC ........................................................... –0.3V to 6V

SSFLT........................................................... –0.3V to 5V

FB, ITH, FS................................................. –0.3V to 3.5V

RUN ........................................................... –0.3V to 18V

OC, ISENSE .................................................... –0.3V to 1V

(Note 1)

ELECTRICAL CHARACTERISTICS

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VTURNON

VCC Turn-On Voltage

VCC Rising

●

4.3

4.5

4.7

VTURNOFF

VCC Turn-Off Voltage

VCC Falling

●

3.75

3.95

4.15

VHYST

VCC Hysteresis

0.55

VCLAMP1mA

VCC Shunt Regulator Voltage

ICC = 1mA, VRUN = 0

●

8.8

9.25

9.65

VCLAMP25mA

VCC Shunt Regulator Voltage

ICC = 25mA, VRUN = 0

●

8.9

9.5

9.9

The ● denotes the speciﬁcations which apply over the full operating

temperature range, otherwise speciﬁcations are at TA = 25°C, VCC = 5V, unless otherwise noted (Note 2).

Operating Temperature Range

E-Grade................................................–40°C to 85°C

I-Grade............................................... –40°C to 125°C

Junction Temperature ........................................... 125°C

Storage Temperature Range...................–65°C to 125°C

Lead Temperature (Soldering, 10 sec)

LTC3805EMSE-5 Only....................................... 300°C

*LTC3805-5 internal clamp circuit regulates VCC voltage to 9.5V

TOP VIEW

DD PACKAGE

10-LEAD (3mm 3mm) PLASTIC DFN

GATE

VCC

ISENSE

SYNC

SSFLT

ITH

RUN

TJMAX = 125°C, θJA = 45°C/W

EXPOSED PAD (PIN 11) IS GND, MUST BE CONNECTED TO GND

SSFLT

ITH

RUN

GATE

VCC

ISENSE

SYNC

TOP VIEW

MSE PACKAGE

10-LEAD PLASTIC MSOP

TJMAX = 125°C, θJA = 45°C/W

EXPOSED PAD (PIN 11) IS GND, MUST BE CONNECTED TO GND

PIN CONFIGURATION

Lead Free Finish

TAPE AND REEL (MINI)

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3805EMSE-5#TRMPBF

LTC3805EMSE-5#TRPBF

LTDGX

10-Lead Plastic MSOP

–40°C to 85°C

LTC3805IMSE-5#TRMPBF

LTC3805IMSE-5#TRPBF

LTDGX

10-Lead Plastic MSOP

–40°C to 125°C

LTC3805EDD-5#TRMPBF

LTC3805EDD-5#TRPBF

LDHB

10-Lead (3mm

× 3mm) Plastic DFN

–40°C to 85°C

LTC3805IDD-5#TRMPBF

LTC3805IDD-5#TRPBF

LDHB

10-Lead (3mm

× 3mm) Plastic DFN

–40°C to 125°C

TRM = 500 pieces. *Temperature grades are identiﬁed by a label on the shipping container.

Consult LTC Marketing for parts speciﬁed with wider operating temperature ranges.

Consult LTC Marketing for information on lead based ﬁnish parts.

For more information on lead free part marking, go to: http://www.linear.com/leadfree/

For more information on tape and reel speciﬁcations, go to: http://www.linear.com/tapeandreel/

ORDER INFORMATION

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