MC33128 Motorola, MC33128 Datasheet

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MC33128

Manufacturer Part Number
MC33128
Description
POWER MANAGEMENT CONTROLLER
Manufacturer
Motorola
Datasheet

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Power Management Controller
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.
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.
ON/OFF
MOTOROLA ANALOG IC DEVICE DATA
Toggle
The MC33128 is a power management controller specifically designed for
Also included are protective system shutdown features consisting of a
Three Positive Regulated Outputs Featuring Low Dropout Voltage
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
11
10
9
Gnd
Low Battery
Simplified Block Diagram
Protection
Reference
Shutdown
Thermal
+
Control
Logic
V CC
16
6 12
Reference Output
3
V BB CPC
Regulator 2
Regulator 1
MPU Power
Standby
Regulator
Regulator
Up Reset
2
Negative
Standby
Standby
Charge
Pump
MPU
4
15
14
13
8
7
5
1
V BB Output
Output 4
CPC
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
R
O
O
I
I
V SS
V DD
MPU
Output 4 Charge Pump
Output 4 Charge Pump
MC33128D
Motorola, Inc. 1996
V BB Charge Pump
V BB Charge Pump
Device
Capacitor Drive
Capacitor Drive
Capacitor Input
Capacitor Input
POWER MANAGEMENT
V BB Output
ORDERING INFORMATION
Output 2
Output 4
MC33128
PIN CONNECTIONS
CONTROLLER
SEMICONDUCTOR
TECHNICAL DATA
Order this document by MC33128/D
Gnd
PLASTIC PACKAGE
Temperature Range
T A = – 30 to +60 C
16
CASE 751B
1
2
3
4
5
6
7
8
Operating
D SUFFIX
(SO–16)
(Top View)
1
16
15
14
13
12
10
11
9
V CC
Output 1
Output 3
Reset Output
Reference Output
Power Up Input
Power Down Input
Battery Saver Input
Package
SO–16
Rev 0
1

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MC33128 Summary of contents

Page 1

... 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 ...

Page 2

... Reverse Leakage Current ( 7.0 V) Output Voltage (Pin 4 2.9 V NOTES: 1. Maximum package power dissipation limits must be observed. 2. All outputs are fully loaded as stated in the Electrical Characteristics Table above, except for the one under test. 2 MC33128 Symbol Value Unit – ...

Page 3

... Output Sink Saturation (I Sink = 100 2 1.0 V) Internal Pull–up Resistance High State Output Voltage ( 2.8 V) NOTE: 2. All outputs are fully loaded as stated in the Electrical Characteristics Table above, except for the one under test. MOTOROLA ANALOG IC DEVICE DATA MC33128 1 4.7 F with ESR Symbol Min Reg line1 2 ...

Page 4

... See Note – ref , REFERENCE SOURCE CURRENT (mA) NOTE: All outputs are fully loaded as stated in the Electrical Characteristics Table above, except for the one under test. 4 MC33128 1 4.7 F with ESR Symbol Min V th(LBSC) 2. Figure 2. Output 4 Voltage –3.0 –2.5 – ...

Page 5

... The MC33128 is a complete power management controller that is designed to interface the user to the system electronics via a microprocessor. Outputs Three low dropout voltage regulators are provided at outputs 1, 2 and 3. Outputs 1 and 2 were contemplated for independent powering of the systems analog and digital circuitry. This ...

Page 6

... ON/OFF Toggle Battery 9 Saver Thermal Input Power 10 Down Input Reference 1.5V/10mA V O3 1.27V Reference 12 Output 6 MC33128 Figure 5. MC33128 Block Diagram 0. Charge Pump Capacitor Generator 1.27V Oscillator –2.5V Battery Regulator Latch 1.27V Standby Regulator 1 1.27V Standby ON/OFF Regulator 2 ...

Page 7

... With the addition of two Schottky diodes and two capacitors, the V BB Generator can be made to function as a voltage tripler. The table in Figure 6 shows the output voltage characteristics of the tripler circuit. MOTOROLA ANALOG IC DEVICE DATA MC33128 0.22 V bat ...

Page 8

... PROTRUSION SHALL BE 0.127 (0.005) TOTAL IN EXCESS OF THE D DIMENSION AT MAXIMUM MATERIAL CONDITION. MILLIMETERS INCHES DIM MIN MAX MIN MAX A 0.386 0.393 9.80 10.00 B 0.150 0.157 3.80 4.00 C 1.35 1.75 0.054 0.068 D 0.35 0.49 0.014 0.019 F 0.40 1.25 0.016 0.049 G 1.27 BSC 0.050 BSC J 0.19 0.25 0.008 0.009 K 0.004 0.009 0.10 0. 5.80 6.20 0.229 0.244 R 0.25 0.50 0.010 0.019 MC33128/D ...

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