2

LT1737

1737fa

(Note 1)

FB Pin Current .....................................................

±2mA

Operating Junction

Temperature Range

LT1737C ............................................... 0

°C to 100°C

LT1737I ............................................ –40

°C to 125°C

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

°C to 150°C

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

°C

ORDER PART

NUMBER

LT1737CGN

LT1737CS

LT1737IGN

LT1737IS

PACKAGE/ORDER I FOR ATIO

ABSOLUTE

AXI U

RATI GS

TOP VIEW

S PACKAGE

16-LEAD PLASTIC SO

GN PACKAGE

16-LEAD PLASTIC SSOP

1

2

3

4

5

6

7

8

16

15

14

13

12

11

10

9

PGND

SFST

OSCAP

FB

GATE

ENDLY

MINENAB

SGND

UVLO

The

ELECTRICAL CHARACTERISTICS

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Power Supply

Minimum Input Voltage

●

4.1

4.5

V

Supply Current

●

10

15

mA

Shutdown Current

●

50

150

µA

Feedback Amplifier

Feedback Voltage

1.230

1.245

1.260

V

●

1.220

1.270

V

Feedback Pin Input Current

500

nA

Feedback Amplifier Transconductance

●

400

1000

1800

µmho

Feedback Amplifier Source or Sink Current

●

30

50

80

µA

Feedback Amplifier Clamp Voltage

2.5

V

Reference Voltage/Current Line Regulation

4.75V

●

0.01

0.05

%/V

Voltage Gain

2000

V/V

Soft-Start Charging Current

25

40

50

µA

Soft-Start Discharge Current

0.8

1.5

mA

Gate Output

Output High Level

●

11.5

12.1

V

●

11.0

11.8

V

Output Low Level

●

0.3

0.45

V

●

0.6

1.0

V

●

1.2

2.5

mA

Rise Time

30

ns

Fall Time

30

ns

GN PART MARKING

1737

1737I

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