2

LT1307/LT1307B

A

G

A

U

A

R

BSOLUTEXI

TI

S

SW Voltage ............................................................. 30V

LBI Voltage ............................................ 0V

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

±1mA

Junction Temperature ........................................... 125

°C

Operating Temperature Range

Commercial (Note 1) ......................... – 20

°C to 70°C

Industrial ........................................... – 40

°C to 85°C

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

°C to 150°C

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

°C

PACKAGE/ORDER I FOR ATIO

ORDER PART

NUMBER

ORDER PART

NUMBER

1

2

3

4

FB

SHDN

GND

8

7

6

5

LBO

LBI

SW

TOP VIEW

MS8 PACKAGE

8-LEAD PLASTIC MSOP

1

2

3

4

8

7

6

5

TOP VIEW

LBO

LBI

SW

FB

SHDN

GND

N8 PACKAGE

8-LEAD PDIP

S8 PACKAGE

8-LEAD PLASTIC SO

LT1307CMS8

LT1307BCMS8

LT1307CN8

LT1307CS8

LT1307IS8

LT1307BCS8

LT1307BIS8

S8 PART MARKING

1307

1307B

1307I

1307BI

MS8 PART MARKING

Consult factory for Military grade parts.

Commercial Grade 0

ELECTRICAL C

C

HARA TERISTICS

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Quiescent Current

Not Switching (LT1307)

q

50

90

µA

Not Switching (LT1307B)

q

1.0

1.5

mA

q

13

µA

Feedback Voltage

q

1.20

1.22

1.24

V

FB Pin Bias Current (Note 2)

q

27

60

nA

Reference Line Regulation

1V

0.6

1.1

%/V

1V

1.5

%/V

2V

q

0.3

0.8

%/V

Minimum Input Voltage

0.92

1

V

Input Voltage Range

q

15

V

Error Amp Transconductance

∆I = 5µA

q

25

35

65

µmhos

Error Amp Voltage Gain

25

°C, 0°C

35

100

V/V

70

°C

30

V/V

Switching Frequency

q

550

600

750

kHz

BU

BF