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What is MC33160?

This electronic component, produced by the manufacturer "Motorola Semiconductors", performs the same function as "MICROPROCESSOR VOLTAGE REGULATOR/ SUPERVISORY CIRCUIT".


MC33160 Datasheet PDF - Motorola Semiconductors

Part Number MC33160
Description MICROPROCESSOR VOLTAGE REGULATOR/ SUPERVISORY CIRCUIT
Manufacturers Motorola Semiconductors 
Logo Motorola Semiconductors Logo 


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Microprocessor
Voltage Regulator and
Supervisory Circuit
The MC34160 Series is a voltage regulator and supervisory circuit containing
many of the necessary monitoring functions required in microprocessor based
systems. It is specifically designed for appliance and industrial applications,
offering the designer a cost effective solution with minimal external components.
These integrated circuits feature a 5.0 V/100 mA regulator with short circuit
current limiting, pinned out 2.6 V bandgap reference, low voltage reset
comparator, power warning comparator with programmable hysteresis, and an
uncommitted comparator ideally suited for microprocessor line synchronization.
Additional features include a chip disable input for low standby current,
and internal thermal shutdown for over temperature protection.
These devices are contained in a 16 pin dual–in–line heat tab plastic
package for improved thermal conduction.
5.0 V Regulator Output Current in Excess of 100 mA
Internal Short Circuit Current Limiting
Pinned Out 2.6 V Reference
Low Voltage Reset Comparator
Power Warning Comparator with Programmable Hysteresis
Uncommitted Comparator
Low Standby Current
Internal Thermal Shutdown Protection
Heat Tab Power Package
Order this document by MC34160/D
MC34160
MC33160
MICROPROCESSOR
VOLTAGE REGULATOR/
SUPERVISORY CIRCUIT
SEMICONDUCTOR
TECHNICAL DATA
16
1
P SUFFIX
PLASTIC PACKAGE
CASE 648C
(DIP–16)
16
1
DW SUFFIX
PLASTIC PACKAGE
CASE 751G
(SOP–16L)
VCC
14
Chip Disable
15
Power
Sense
9
Hysteresis
Adjust
10
Noninverting
Input
2
Inverting
Input
1
Representative Block Diagram
+
2.6 V
Reference
Thermal
Shutdown
+
+
0.913 R
+
0.01 R
R
+
IH IH On/Off
+
+
Regulator
Output
11
Reset
7
Reference
Output
16
Power
Warning
8
Comparator
Output
6
Gnd 4, 5, 12, 13
This device contains 72 active transistors.
MOTOROLA ANALOG IC DEVICE DATA
PIN CONNECTIONS
Comp. Inv. In 1
Comp. Noninv. In 2
N.C. 3
4
Gnd
5
Comp. Out 6
Reset 7
Power Warning 8
16 Vref
15 Chip Disable
14 VCC
13
Gnd
12
11 Reg. Out
10 Hyst. Adj.
9 Power Sense
(Top View)
ORDERING INFORMATION
Device
Operating
Temperature Range Package
MC34160DW
MC34160P
TA = 0° to +70°C
SOP–16L
DIP–16
MC33160DW
MC33160P TA = – 40° to +85°C
SOP–16L
DIP–16
© Motorola, Inc. 1996
Rev 1
1

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MC33160 equivalent
MC34160 MC33160
Figure 9. DW Suffix (SOP–16L) Thermal Resistance and
Maximum Power Dissipation versus P.C.B. Copper Length
100 2.8
PD(max) for TA = 50°C
90 2.4
80 2.0
Graph represents symmetrical layout
ÎÎÎ ÎÎÎ70 1.6
ÎÎÎÎÎÎÎ60
L
2.0 oz.
Copper
1.2
ÎÎÎ ÎÎÎ50
L 3.0 mm
0.8
40 RθJA
0.4
Pin
1
2
3
4, 5, 12, 13
6
7
8
9
10
11
14
15
16
30 0
0 10 20 30 40 50
L, LENGTH OF COPPER (mm)
Function
Comparator Inverting Input
Comparator Noninverting Input
N.C.
Gnd
Comparator Output
Reset
Power Warning
Power Sense
Hysteresis Adjust
Regulator Output
VCC
Chip Disable
Vref
PIN FUNCTION DESCRIPTION
Description
This is the Uncommitted Comparator Inverting input. It is typically connected to a resistor
divider to monitor a voltage.
This is the Uncommitted Comparator Noninverting input. It is typically connected to a
reference voltage.
No connection. This pin is not internally connected.
These pins are the control circuit grounds and are connected to the source and load
ground returns. They are part of the IC lead frame and can be used for heatsinking.
This is the Uncommitted Comparator output. It is an open collector sink–only output
requiring a pull–up resistor.
This is the Reset Comparator output. It is an open collector sink–only output requiring a
pull–up resistor.
This is the Power Warning Comparator output. It is an open collector sink–only output
requiring a pull–up resistor.
This is the Power Warning Comparator noninverting input. It is typically connected to a
resistor divider to monitor the input power source voltage.
The Power Warning Comparator hysteresis is programmed by a resistor connected from
this pin to ground.
This is the 5.0 V Regulator output.
This pin is the positive supply input of the control IC.
This input is used to switch the IC into a standby mode turning off all outputs.
This is the 2.6 V Reference output. It is intended to be used in conjunction with the Power
Warning and Uncommitted comparators.
OPERATING DESCRIPTION
The MC34160 series is a monolithic voltage regulator and
supervisory circuit containing many of the necessary
monitoring functions required in microprocessor based
systems. It is specifically designed for appliance and
industrial applications, offering the designer a cost effective
solution with minimal external components. These devices
are specified for operation over an input voltage of 7.0 V to
40 V, and with a junction temperature of –40° to +150°C. A
typical microprocessor application is shown in Figure 10.
Regulator
The 5.0 V regulator is designed to source in excess of
100 mA output current and is short circuit protected. The
output has a guaranteed tolerance of ±5.0% over line, load,
and temperature. Internal thermal shutdown circuitry is
included to limit the maximum junction temperature to a safe
level. When activated, typically at 170°C, the regulator output
turns off.
In specific situations a combination of input and output
bypass capacitors may be required for regulator stability. If
the regulator is located an appreciable distance (4) from
the supply filter, an input bypass capacitor (Cin) of 0.33 µF or
greater is suggested. Output capacitance values of less than
5.0 nF may cause regulator instability at light load (1.0 mA)
and cold temperature. An output bypass capacitor of 0.1 µF
or greater is recommended to ensure stability under all load
conditions. The capacitors selected must provide good high
frequency characteristics.
Good construction techniques should be used to minimize
ground loops and lead resistance drops since the regulator
does not have external sense inputs.
MOTOROLA ANALOG IC DEVICE DATA
5


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Part Details

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Featured Datasheets

Part NumberDescriptionMFRS
MC33160The function is MICROPROCESSOR VOLTAGE REGULATOR/ SUPERVISORY CIRCUIT. Motorola SemiconductorsMotorola Semiconductors
MC33160The function is (MC33160 / MC34160) Voltage Regulator and Supervisory Circuit. ON SemiconductorON Semiconductor
MC33161The function is UNIVERSAL VOLTAGE MONITORS. Motorola SemiconductorsMotorola Semiconductors

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