LT1123(Rev0) View Datasheet(PDF) - Linear Technology

Part Name

Description

MFG CO.

LT1123
(Rev.:Rev0)

Low Dropout Regulator Driver

Linear Technology 

LT1123

ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO

Drive Pin Voltage (VDRIVE to Ground) ..................... 30V

Feedback Pin Voltage (VFB to Ground) .................... 30V

Operating Junction Temperature Range ... 0°C to 125°C

Storage Temperature Range ................ –65°C to 150°C

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

BOTTOM VIEW

3

2

1

DRIVE FB GND

ORDER PART

NUMBER

LT1123CZ

Z PACKAGE

3-LEAD TO-92 PLASTIC

ELECTRICAL CHARACTERISTICS

PARAMETER

CONDITIONS

Feedback Voltage

Feedback Pin Bias Current

Drive Current

Drive Pin Saturation Voltage

Line Regulation

Load Regulation

Temperature Coefficient of VOUT

IDRIVE = 10mA, TJ = 25°C

5mA ≤ IDRIVE ≤ 100mA

3V ≤ VDRIVE ≤ 20V

VFB = 5.00V, 2V ≤ VDRIVE ≤ 15V

VFB = 5.20V, 2V ≤ VDRIVE ≤ 15V

VFB = 4.80V, VDRIVE = 3V

VFB = 0.5V, VDRIVE = 3V, ≤ TJ ≤ 100°C

IDRIVE = 10mA, VFB = 4.5V

IDRIVE = 125mA, VFB = 4.5V

5V < VDRIVE < 20V

∆IDRIVE = 10 to 100mA

The q indicates specifications which apply over the full operating temperature range.

MIN

4.90

q 4.80

q

q

q 125

25

q

q

TYP

MAX

5.00

5.10

5.00

5.20

300

500

0.45

1.0

170

100

150

1.4

2.0

1.0

±20

–5

–50

0.2

SI PLIFIED BLOCK DIAGRA

DRIVE

CURRENT

LIMIT

THERMAL

LIMIT

FB

5V

2

GROUND

LT1123 SBD01

UNITS

V

V

µA

mA

V

mV

mV

mV/°C

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