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MC33128

Motorola
Part Number MC33128
Manufacturer Motorola
Description POWER MANAGEMENT CONTROLLER
Published Jul 25, 2005
Detailed Description Order this document by MC33128/D Power Management Controller The MC33128 is a power management controller specifically ...
Datasheet PDF File MC33128 PDF File

MC33128
MC33128

Overview
Order this document by MC33128/D Power Management Controller The MC33128 is a power management controller specifically designed for use in battery powered cellular telephone and pager applications.
This device contains all of the active functions required to interface the user to the system electronics via a microprocessor.
This integrated circuit consists of a low dropout voltage regulator with power–up reset for MPU power, two low dropout voltage regulators for independant powering of analog and digital circuitry, and a negative charge pump voltage regulator for full depletion of gallium arsenide MESFETs.
Also included are protective system shutdown features consisting of a battery latch that is activated upon battery insertion, low battery voltage shutdown, and a thermal over temperature detector.
This device is available in a 16–pin narrow body surface mount plastic package.
• Three Positive Regulated Outputs Featuring Low Dropout Voltage MC33128 POWER MANAGEMENT CONTROLLER SEMICONDUCTOR TECHNICAL DATA • • • • • • • Negative Regulated Output for Full Depletion of GaAs MESFETs MPU Power Up Reset Battery Latch Low Battery Shutdown Pinned–Out Reference for MPU A/D Converter Low Start–Up and Operating Current Thermal Protection D SUFFIX PLASTIC PACKAGE CASE 751B (SO–16) 16 1 Simplified Block Diagram VCC 16 + 11 10 9 VBB CPC 3 2 Charge Pump 7 Control Logic Negative Standby Regulator Standby Regulator 1 Standby Regulator 2 MPU Regulator MPU Power Up Reset Gnd 6 12 Reference Output 5 Output 4 –2.
5 V/1.
0 mA Output 1 3.
0 V/30 mA Output 2 3.
0 V/60 mA Output 3 3.
0 V/20 mA 4 VBB Output 8 Output 4 CPC PIN CONNECTIONS Output 2 1 VBB Charge Pump 2 Capacitor Input VBB Charge Pump 3 Capacitor Drive VBB Output 4 Output 4 5 16 VCC 15 Output 1 14 Output 3 13 Reset Output 12 Reference Output 11 Power Up Input 10 Power Down Input 9 Battery Saver Input ON/OFF Toggle Low Battery Shutdown 15 Gnd 6 Output 4 Charge Pump 7 Capacitor Input Output 4 Charge Pump 8 Capacitor Drive ...


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