KSI-2066-003

1

S1117AQ/S1117-xxQ

Adjustable and Fixed LDO Voltage Regulator

Descriptions

The S1117 series of positive adjustable and fixed regulators are designed to provide 1A

with higher efficiency. All internal circuitry is designed to operate down to 1.3V input to

output differential. On-chip trimming adjusts reference voltage to 2%

Features

• Adjustable or Fixed output

• Output Current of 1A

• Low Dropout, 1.3V maximum at 1A Output Current

• Thermal Shutdown Protection

• Fast Transient Response

Ordering Information

Type NO.

Marking

Package Code

S1117AQ/S1117xxQ

S1117□□Q/S1117□□□Q

SOT-223

□□:Voltage Code (Aj : 1.25V, 15:1.5V,:18: 1.8V, 25:2.5V, 33:3.3V, 50:5.0V)

□□□:Voltage Code (285:2.85V)

S

PIN Connections

1.

GND/ADJ

2,4. Output voltage

3.

Input voltage

BLOCK DIAGRAM