2

LT3150

3150f

(Note 1)

SW Voltage .............................................. – 0.4V to 36V

Current into FB1, FB2 Pin ....................................

±1mA

Operating Ambient Temperature Range ..... 0

°C to 70°C

Junction Temperature (Note 2) ........................... 125

°C

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

°C to 150°C

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

°C

ABSOLUTE

AXI U

RATI GS

PACKAGE/ORDER I FOR ATIO

GN PACKAGE

16-LEAD PLASTIC SSOP

1

2

3

4

5

6

7

8

TOP VIEW

16

15

14

13

12

11

10

9

SW

SWGND

SHDN2

GND

NC

FB2

FB1

GND

SHDN1

GATE

NC

COMP

ORDER PART

NUMBER

LT3150CGN

GN PART

MARKING

3150

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

ELECTRICAL CHARACTERISTICS

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Boost Switching Regulator

0.9

1.1

V

10

V

FB1 Reference Voltage

q

1.20

1.23

1.255

V

FB1 Input Bias Current

Current Flows into Pin

q

27

80

nA

3

4.5

mA

0.01

0.5

µA

0.01

1.0

µA

FB1 Reference Line Regulation

1.5V

0.02

0.2

%/V

Switching Frequency

q

1

1.4

1.9

MHz

Maximum Duty Cycle

q

82

86

%

Switch Current Limit

(Note 3)

550

800

mA

300

350

mV

Switch Leakage Current

0.01

1

µA

SHDN1 Input Voltage High

1

V

SHDN1 Input Voltage Low

0.3

V

SHDN1 Input Bias Current

25

50

µA

0.01

0.1

µA

Linear Regulator Controller

q

512

19

mA

FB2 Reference Voltage

1.203

1.210

1.217

V

q

1.198

1.210

1.222

V

FB2 Line Regulation

10V

q

0.01

0.03

%/V

FB2 Input Bias Current

q

–0.6

–4

µA