LT1110

2

PACKAGE/ORDER I FOR ATIO

A

G

A

U

A

R

BSOLUTEXI

TI

S

Supply Voltage, Step-Up Mode ................................ 15V

Supply Voltage, Step-Down Mode ........................... 36V

SW1 Pin Voltage ...................................................... 50V

Feedback Pin Voltage (LT1110) .............................. 5.5V

Switch Current ........................................................ 1.5A

Maximum Power Dissipation ............................. 500mW

Operating Temperature Range ..................... 0

°C to 70°C

Storage Temperature Range .................. –65

°C to 150°C

Lead Temperature (Soldering, 10 sec.)................. 300

°C

ORDER PART

NUMBER

LT1110CN8

LT1110CN8-5

LT1110CN8-12

1110

11105

11012

Consult factory for Industrial and Military grade parts.

1

2

3

4

8

7

6

5

TOP VIEW

SW1

SW2

FB (SENSE)*

SET

A0

GND

N8 PACKAGE

8-LEAD PLASTIC DIP

*FIXED VERSIONS

1

2

3

4

8

7

6

5

TOP VIEW

FB (SENSE)*

SET

A0

GND

SW1

SW2

S8 PACKAGE

8-LEAD PLASTIC SOIC

*FIXED VERSIONS

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Quiescent Current

Switch Off

q

300

µA

Input Voltage

Step-Up Mode

q

1.15

12.6

V

1.0

12.6

V

Step-Down Mode

q

30

V

Comparator Trip Point Voltage

LT1110 (Note 1)

q

210

220

230

mV

Output Sense Voltage

LT1110-5 (Note 2)

q

4.75

5.00

5.25

V

LT1110-12 (Note 2)

q

11.4

12.00

12.6

V

Comparator Hysteresis

LT1110

q

48

mV

Output Hysteresis

LT1110-5

q

90

180

mV

LT1110-12

q

200

400

mV

Oscillator Frequency

q

52

70

90

kHz

DC

Duty Cycle

q

62

69

78

%

Switch ON Time

q

7.5

10

12.5

µs

Feedback Pin Bias Current

q

70

150

nA

Set Pin Bias Current

q

100

300

nA

AO Output Low

q

0.15

0.4

V

Reference Line Regulation

1.0V

q

0.35

1.0

%/V

1.5V

q

0.05

0.1

%/V

ELECTRICAL C

C

S8 PART MARKING

LT1110CS8

LT1110CS8-5

LT1110CS8-12