LTC4217CDHC datasheet(3/18 Pages) LINER

3 / 18 page

LTC4217

4217fc

ELECTRICAL CHARACTERISTICS The l denotes the speciﬁcations which apply over the full operating

temperature range, otherwise speciﬁcations are at TA = 25°C. VDD = 12V unless otherwise noted.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

DC Characteristics

VDD

Input Supply Range

2.9

26.5

IDD

Input Supply Current

MOSFET On, No Load

1.6

VDD(UVL)

Input Supply Undervoltage Lockout

VDD Rising

2.65

2.73

2.85

VDD(UVTH)

Input Supply Undervoltage Threshold

LTC4217-12, VDD Rising

9.6

9.88

10.2

ΔVDD(UVHYST)

Input Supply Undervoltage Hysteresis

LTC4217-12

520

640

760

VDD(OVTH)

Input Supply Overvoltage Threshold

LTC4217-12, VDD Rising

14.7

15.05

15.4

ΔVDD(OVHYST)

Input Supply Overvoltage Hysteresis

LTC4217-12

183

244

305

VOUT(PGTH)

Output Power Good Threshold

LTC4217-12, VOUT Rising

10.2

10.5

10.8

ΔVOUT(PGHYST)

Output Power Good Hysteresis

LTC4217-12

127

170

213

IOUT

OUT Pin Leakage Current

VOUT = VGATE = 0V, VDD = 26.5V

VOUT = VGATE = 12V, LTC4217

VOUT = VGATE = 12V, LTC4217-12

±150

μA

ΔVGATE/Δt

GATE Pin Turn-On Ramp Rate

0.15

0.3

0.55

V/ms

RON

MOSFET + Sense Resistor On Resistance

Note 6

ILIM(TH)

Current Limit Threshold

VFB = 1.23V

1.9

2.1

VFB = 1.23V

1.85

2.15

VFB = 0V

0.35

0.5

0.7

VFB = 1.23V, RSET = 20kΩ

0.85

1.17

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC4217CDHC-12#PBF

LTC4217CDHC-12#TRPBF 421712

16-Lead (5mm

× 3mm) Plastic DFN

0°C to 70°C

LTC4217IDHC-12#PBF

LTC4217IDHC-12#TRPBF

421712

16-Lead (5mm

× 3mm) Plastic DFN

–40°C to 85°C

LTC4217CDHC#PBF

LTC4217CDHC#TRPBF

4217

16-Lead (5mm

× 3mm) Plastic DFN

0°C to 70°C

LTC4217IDHC#PBF

LTC4217IDHC#TRPBF

4217

16-Lead (5mm

× 3mm) Plastic DFN

–40°C to 85°C

LTC4217CFE#PBF

LTC4217CFE#TRPBF

LTC4217FE

20-Lead Plastic TSSOP

0°C to 70°C

LTC4217IFE#PBF

LTC4217IFE#TRPBF

LTC4217FE

20-Lead Plastic TSSOP

–40°C to 85°C

LEAD BASED FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC4217CDHC-12

LTC4217CDHC-12#TR

421712

16-Lead (5mm

× 3mm) Plastic DFN

0°C to 70°C

LTC4217IDHC-12

LTC4217IDHC-12#TR

421712

16-Lead (5mm

× 3mm) Plastic DFN

–40°C to 85°C

LTC4217CDHC

LTC4217CDHC#TR

4217

16-Lead (5mm

× 3mm) Plastic DFN

0°C to 70°C

LTC4217IDHC

LTC4217IDHC#TR

4217

16-Lead (5mm

× 3mm) Plastic DFN

–40°C to 85°C

LTC4217CFE

LTC4217CFE#TR

LTC4217FE

20-Lead Plastic TSSOP

0°C to 70°C

LTC4217IFE

LTC4217IFE#TR

LTC4217FE

20-Lead Plastic TSSOP

–40°C to 85°C

Consult LTC Marketing for parts speciﬁed with wider operating temperature ranges. *The temperature grade is identiﬁed by a label on the shipping container.

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/

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