LTC3114-1

3

Rev. D

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ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

AUTOMOTIVE PRODUCTS**

LTC3114EDHC-1#WPBF

LTC3114EDHC-1#WTRPBF 31141

16-Lead (5mm × 3mm) Plastic DFN

–40°C to 125°C

LTC3114IDHC-1#WPBF

LTC3114IDHC-1#WTRPBF 31141

16-Lead (5mm × 3mm) Plastic DFN

–40°C to 125°C

LTC3114IFE-1#WPBF

LTC3114IFE-1#WTRPBF

3114FE-1

16-Lead Plastic TSSOP

–40°C to 125°C

LTC3114EFE-1#WPBF

LTC3114EFE-1#WTRPBF

3114FE-1

16-Lead Plastic TSSOP

–40°C to 125°C

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

Tape and reel specifications. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.

**Versions of this part are available with controlled manufacturing to support the quality and reliability requirements of automotive applications. These

models are designated with a #W suffix. Only the automotive grade products shown are available for use in automotive applications. Contact your

local Analog Devices account representative for specific product ordering information and to obtain the specific Automotive Reliability reports for

these models.

l

denotes the specifications which apply over the specified operating

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

l

l

2.3

2.2

40

40

V

V

Output Operating Voltage

(Note 5)

l

2.7

40

V

Undervoltage Lockout Threshold on LDO

l

2.3

2.5

2.7

V

3

µA

FB = 1.4V, Non-Bootstrapped (Note 6)

50

µA

Oscillator Frequency

l

1000

1200

1400

kHz

Oscillator Frequency Variation

0.1

%/V

Feedback Voltage

Measured on FB

l

0.98

1.0

1.02

V

Feedback Voltage Line Regulation

0.2

%

Error Amplifier Transconductance

VC Current = ±5µA

120

µS

FB Pin Input Current

FB = 1V

1

50

nA

VC Source Current

VC = 0.6V

–12

µA

VC Sink Current

VC = 0.6V

12

µA

RUN Pin Threshold—Accurate

RUN Pin Rising

l

1.185

1.205

1.29

V

RUN Pin Hysteresis

140

mV

Run Pin Threshold—Logic

l

0.3

0.7

1.1

V

PROG Current

Switch D Current = 1A

Switch D Current = 500mA

Switch D Current = 100mA (Note 3)

38

18

2

40

20

4

42

22

6

µA

µA

µA

PROG Current Gain

Ratio of PROG Current to SWD Current

40

µA/A

PROG Voltage Threshold

0.90

0.925

0.95

V

Inductor Current Limit

(Note 3)

l

1.3

1.7

2.3

A

Overload Current Limit

2.6

A

(Note 3)

100

mA

Maximum Duty Cycle

Percentage of Period SW2 is Low in Boost Mode

Percentage of Period SW1 is High in Boost Mode

l

l

90

85

95

88

%

%

Minimum Duty Cycle

Percentage of Period SW1 is High in Buck Mode

l

0

%