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SI3018

Part Number	SI3018
Manufacturer	Allegro
Description	LOW-VOLTAGE / HIGH-CURRENT 1.8 V LINEAR REGULATOR
Published	Aug 3, 2005
Detailed Description	SI-3018LSA LOW-VOLTAGE, HIGH-CURRENT 1.8 V LINEAR REGULATOR The SI-3018LSA is designed to meet the requirement for incr...
Datasheet	SI3018 PDF File

Overview

SI-3018LSA LOW-VOLTAGE, HIGH-CURRENT 1.
8 V LINEAR REGULATOR The SI-3018LSA is designed to meet the requirement for increased integration and reliability in low-voltage, high-current, linear regulator applications such as personal computers (PCs) and set-top boxes.
Each device incorporates a monolithic low-level reference and control circuit with a high-current pnp transistor in a power multi-chip module (PMCM™).
Regulated output voltages of 2.
5 V or 3.
3 V are also available.
The high-current pass element provides a low dropout voltage with output current to 1 A.
Regulator accuracy of ±2 % and excellent temperature characteristics are provided.
The logic-compatible ENABLE input gives the designer complete control over power up, power down, and standby or sleep.
These devices are supplied in a fully molded 8-lead miniature surface-mount package (tape and reel) with enhanced power-dissipating qualities.
They are rated for continuous operation between -30°C and +100°C.
Data Sheet 27468.
18 IN INTERNAL CONNECTION SUPPLY ENABLE 1 2 3 4 8 OUT OUT GND GND IC VR VS SUB 7 6 5 Dwg.
PK-012 ABSOLUTE MAXIMUM RATINGS Input Voltage, VI .
.
16 V Supply Voltage, VS .
.
.
16 V Continuous Output Current, IO .
.
.
1.
0 A* Logic Input Voltage, VE VS Package Power Dissipation, PD See Graph Output Junction Temperature, TJ .
.
.
.
+150°C† Operating Temperature Range, TA .
-30°C to +100°C Storage Temperature Range, Tstg .
.
.
.
-30°C to +150°C * Output current rating may be limited by duty cycle, ambient temperature, and heat sinking.
Under any set of conditions, do not exceed the specified current rating or a junction temperature of 150˚C.
† Fault conditions that produce excessive junction temperature will activate the device’s thermal protection circuitry.
These conditions c...

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