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IRU1237SC, IRU1237SCCPTR, IRU1238SC

Table of contents:
Info of IRU1237SC
Info of IRU1237SCCPTR
Info of IRU1238SC

IRU1237SC, IRU1237SCCPTR, IRU1238SC Selling Leads, Datasheet

MFG:UNISEM Package Cooled:SPAK-7L D/C:08+

IRU1237SC, IRU1237SCCPTR, IRU1238SC Picture

IRU1237SC, IRU1237SCCPTR, IRU1238SC Datasheet download

Five Points

Part Number: IRU1237SC

MFG: UNISEM

Package Cooled: SPAK-7L

D/C: 08+

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IRU1237SC General Description

The IRU1237SC voltage regulator solution contains three integrated, fixed, linear voltage regulators in one 7-pin surface mount package. The first is a 2.6V regulator to power the read channel and integrated controller/mP. The second is a 3.3V regulator to power the controller I/O and memory chips requiring 3.3V. The last is an 8V regulator to power the preamp chip. The bandgap reference, the 8V ground, and the substrate are all tied to a common ground pin, while the 2.6V and 3.3V ground is tied to a separate ground pin. This grounding scheme allows for improved noise isolation between the 8V regulator and the 2.6V and 3.3V regulators.

The 2.6V and 3.3V regulators shall each be capable of 1.2A continuous for a 5.25V input. The 8V regulator shall be capable of 0.2A continuous for a 13.2V input.

IRU1237SC Maximum Ratings

Input Voltage (V_CC) .................................................................. 18V
Input Voltage (V_DD) .................................................................. 18V
Operating Junction Temperature Range .................... 0°C To 150°C
Operating Ambient Temperature Range ...................... 0°C To 70°C
Storage Temperature Range ................................ -65°C To +150°C
ESD Capability (Human Body Model) ..................................... 2000V

IRU1237SC Features

· Stable with Ceramic Capacitor
· Fixed 8V, 3.3V and 2.6V
· Fast Transient Response
· Output Current Limiting for each outputs
· Built-In Thermal Shutdown

IRU1237SC Typical Application

· Hard Disk Drive
· Multi-Outputs Applications
· High Efficiency Linear Regulator

IRU1237SC Connection Diagram

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