2

LT1123

1123fb

Operating Junction Temperature Range ... 0

°C to 125°C

ORDER PART

NUMBER

LT1123CST

ABSOLUTE

AXI U

RATI GS

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

°C to 150°C

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

°C

PACKAGE/ORDER I FOR ATIO

(Note 1)

ORDER PART

NUMBER

LT1123CZ

ST PART MARKING

3

2

1

FRONT VIEW

TAB IS

GND

FB

GND

DRIVE

ST PACKAGE

3-LEAD PLASTIC SOT-223

BOTTOM VIEW

DRIVE

FB

GND

Z PACKAGE

3-LEAD TO-92 PLASTIC

1123

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Feedback Voltage

4.90

5.00

5.10

V

5mA

3V

●

4.80

5.00

5.20

V

Feedback Pin Bias Current

●

300

500

µA

Drive Current

●

0.45

1.0

mA

●

125

170

25

100

150

Drive Pin Saturation Voltage

1.4

V

2.0

Line Regulation

●

1.0

±20

mV

Load Regulation

●

–5

–50

mV

0.2

mV/

°C

Note 1: Absolute Maximum Ratings are those values beyond which the life

of the device may be impaired.

ELECTRICAL CHARACTERISTICS

The

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