MC33025P datasheet, PDF - EEWORLD Datasheet

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MC33025P: DescriptionSwitching Controller, Current-mode, 2A, 1000kHz Switching Freq-Max, BIPolar, PDIP16, PLASTIC, DIP-16; CategoryPower/power management The power supply circuit; File Size516KB，20 Pages; ManufacturerMotorola ( NXP ); Websitehttps://www.nxp.com

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MC33025P Overview

Switching Controller, Current-mode, 2A, 1000kHz Switching Freq-Max, BIPolar, PDIP16, PLASTIC, DIP-16

MC33025P Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	Motorola ( NXP )
package instruction	DIP, DIP16,.3
Reach Compliance Code	unknown
ECCN code	EAR99
Is Samacsys	N
Analog Integrated Circuits - Other Types	SWITCHING CONTROLLER
control mode	CURRENT-MODE
Control Technology	PULSE WIDTH MODULATION
Maximum input voltage	30 V
Minimum input voltage	10 V
Nominal input voltage	15 V
JESD-30 code	R-PDIP-T16
JESD-609 code	e0
length	19.175 mm
Number of functions	1
Number of terminals	16
Maximum operating temperature	105 °C
Minimum operating temperature	-40 °C
Maximum output current	2 A
Package body material	PLASTIC/EPOXY
encapsulated code	DIP
Encapsulate equivalent code	DIP16,.3
Package shape	RECTANGULAR
Package form	IN-LINE
Certification status	Not Qualified
Maximum seat height	4.44 mm
Maximum supply current (Isup)	35 mA
surface mount	NO
Switch configuration	PUSH-PULL
Maximum switching frequency	1000 kHz
technology	BIPOLAR
Temperature level	INDUSTRIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	THROUGH-HOLE
Terminal pitch	2.54 mm
Terminal location	DUAL
width	7.62 mm
Base Number Matches	1

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High Speed Double-Ended

PWM Controller

The MC34025 series are high speed, fixed frequency, double–ended

pulse width modulator controllers optimized for high frequency operation.

They are specifically designed for Off–Line and DC–to–DC converter

applications offering the designer a cost effective solution with minimal

external components. These integrated circuits feature an oscillator, a

temperature compensated reference, a wide bandwidth error amplifier, a

high speed current sensing comparator, steering flip–flop, and dual high

current totem pole outputs ideally suited for driving power MOSFETs.

Also included are protective features consisting of input and reference

undervoltage lockouts each with hysteresis, cycle–by–cycle current limiting,

and a latch for single pulse metering.

The flexibility of this series allows it to be easily configured for either

current mode or voltage mode control.

•

50 ns Propagation Delay to Outputs

MC34025

MC33025

P SUFFIX

PLASTIC PACKAGE

CASE 648

•

Dual High Current Totem Pole Outputs

Wide Bandwidth Error Amplifier

Fully–Latched Logic with Double Pulse Suppression

Latching PWM for Cycle–By–Cycle Current Limiting

Soft–Start Control with Latched Overcurrent Reset

Input Undervoltage Lockout with Hysteresis

Low Start–Up Current (500

µA

Typ)

Internally Trimmed Reference with Undervoltage Lockout

90% Maximum Duty Cycle (Externally Adjustable)

Precision Trimmed Oscillator

Voltage or Current Mode Operation to 1.0 MHz

Functionally Similar to the UC3825

Error Amp

Inverting Input

Error Amp

Noninverting Input

Error Amp Output

Clock

Vref

Clock

Oscillator

Latching

PWM and

Steering

Flip Flop

5.1V

Reference

UVLO

Output B

VCC

Ramp

Soft–Start

DW SUFFIX

PLASTIC PACKAGE

CASE 751G

(SO–16L)

PIN CONNECTIONS

Vref

VCC

Output B

Power Ground

Output A

Ground

Current Limit/

Shutdown

Simplified Application

(Top View)

Ramp

Error Amp 3

Output

Noninverting 2

Input

Inverting

Input 1

Soft–Start

Error

Amp

Output A

Power

12 Ground

Current

Limit/

Shutdown

ORDERING INFORMATION

Device

MC33025DW

MC33025P

MC34025DW

MC34025P

TA = 0° to +70°C

Operating

Temperature Range

TA = – 40° to +105°C

Package

SO–16L

Plastic DIP

SO–16L

Plastic DIP

Soft–Star

Ground

This device contains 227 active transistors.

Motorola, Inc. 1996

Rev 1

MOTOROLA ANALOG IC DEVICE DATA

MC33025P Related Products

	MC33025P	MC34025DW	MC34025P	MC33025DW
Description	Switching Controller, Current-mode, 2A, 1000kHz Switching Freq-Max, BIPolar, PDIP16, PLASTIC, DIP-16	Switching Controller, Current-mode, 2A, 1000kHz Switching Freq-Max, BIPolar, PDSO16, PLASTIC, SO-16	Switching Controller, Current-mode, 2A, 1000kHz Switching Freq-Max, BIPolar, PDIP16, PLASTIC, DIP-16	Switching Controller, Current-mode, 2A, 1000kHz Switching Freq-Max, BIPolar, PDSO16, PLASTIC, SO-16
Maker	Motorola ( NXP )	Motorola ( NXP )	Motorola ( NXP )	Motorola ( NXP )
package instruction	DIP, DIP16,.3	SOP, SOP16,.4	DIP, DIP16,.3	SOP, SOP16,.4
Reach Compliance Code	unknown	unknown	unknown	unknown
ECCN code	EAR99	EAR99	EAR99	EAR99
Analog Integrated Circuits - Other Types	SWITCHING CONTROLLER	SWITCHING CONTROLLER	SWITCHING CONTROLLER	SWITCHING CONTROLLER
control mode	CURRENT-MODE	CURRENT-MODE	CURRENT-MODE	CURRENT-MODE
Control Technology	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION
Maximum input voltage	30 V	30 V	30 V	30 V
Minimum input voltage	10 V	10 V	10 V	10 V
Nominal input voltage	15 V	15 V	15 V	15 V
JESD-30 code	R-PDIP-T16	R-PDSO-G16	R-PDIP-T16	R-PDSO-G16
JESD-609 code	e0	e0	e0	e0
length	19.175 mm	10.3 mm	19.175 mm	10.3 mm
Number of functions	1	1	1	1
Number of terminals	16	16	16	16
Maximum operating temperature	105 °C	70 °C	70 °C	105 °C
Maximum output current	2 A	2 A	2 A	2 A
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	DIP	SOP	DIP	SOP
Encapsulate equivalent code	DIP16,.3	SOP16,.4	DIP16,.3	SOP16,.4
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	IN-LINE	SMALL OUTLINE	IN-LINE	SMALL OUTLINE
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	4.44 mm	2.65 mm	4.44 mm	2.65 mm
Maximum supply current (Isup)	35 mA	35 mA	35 mA	35 mA
surface mount	NO	YES	NO	YES
Switch configuration	PUSH-PULL	PUSH-PULL	PUSH-PULL	PUSH-PULL
Maximum switching frequency	1000 kHz	1000 kHz	1000 kHz	1000 kHz
technology	BIPOLAR	BIPOLAR	BIPOLAR	BIPOLAR
Temperature level	INDUSTRIAL	COMMERCIAL	COMMERCIAL	INDUSTRIAL
Terminal surface	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)
Terminal form	THROUGH-HOLE	GULL WING	THROUGH-HOLE	GULL WING
Terminal pitch	2.54 mm	1.27 mm	2.54 mm	1.27 mm
Terminal location	DUAL	DUAL	DUAL	DUAL
width	7.62 mm	7.5 mm	7.62 mm	7.5 mm
Base Number Matches	1	1	1	1

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