U211B datasheet, PDF - EEWORLD Datasheet

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U211B: DescriptionAnalog Circuit,; CategoryAnalog mixed-signal IC The signal circuit; File Size496KB，30 Pages; ManufacturerAtmel (Microchip)

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U211B Overview

Analog Circuit,

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Features

•

Internal Frequency-to-voltage Converter

Externally Controlled Integrated Amplifier

Overload Limitation with “Fold Back” Characteristic

Optimized Soft-start Function

Tacho Monitoring for Shorted and Open Loop

Automatic Retriggering Switchable

Triggering Pulse Typically 155 mA

Voltage and Current Synchronization

Internal Supply-voltage Monitoring

Temperature Reference Source

Current Requirement

≤

3 mA

1. Description

The integrated circuit U211B is designed as a phase-control circuit in bipolar technol-

ogy with an internal frequency-to-voltage converter. The device includes an internal

control amplifier which means it can be used for speed-regulated motor applications.

Amongst others, the device features integrated load limitation, tacho monitoring and

soft-start functions, to realize sophisticated motor control systems.

Figure 1-1.

Block Diagram

17(16)

1(1)

Automatic

retriggering

Output

pulse

4(4)

Phase Control

IC with

Overload

Limitation

for Tacho

Applications

U211B

Voltage/current

detector

Control

amplifier

11(10)

10(9)

6(5)

7(6)

Phase-

control unit

= f (V12)

3(3)

Supply

voltage

limitation

Reference

voltage

Voltage

monitoring

2(2)

-VS

GND

14(13)

Load limitation

speed/time

controlled

16(15)

15(14)

Controlled

current sink

-V

Ref

12(11)

Pin numbers in brackets refer to SO16

* Pins 5 and 18 connected internally

Soft start

Frequency-

to-voltage

converter

9(8)

8(7)

Pulse-blocking

tacho

monitoring

18*

13(12)

Rev. 4752B–INDCO–09/05

U211B Related Products

	U211B	U211B-XFPG3Y	U211B-XY	U211B-XFPY
Description	Analog Circuit,	AC MOTOR CONTROLLER, 0.0075 A, PDIP18	AC MOTOR CONTROLLER, 0.0075 A, PDIP18	AC MOTOR CONTROLLER, 0.0075 A, PDIP18
Is it lead-free?	-	Lead free	Lead free	Lead free
Is it Rohs certified?	-	conform to	conform to	conform to
Parts packaging code	-	SOIC	DIP	SOIC
package instruction	-	SOP, SOP16,.25	DIP, DIP18,.3	SOP, SOP16,.25
Contacts	-	16	18	16
Reach Compliance Code	-	compli	compli	compli
Other features	-	IT CAN ALSO OPERATE FROM A -14.6V TO -16.6V SUPPLY	IT CAN ALSO OPERATE FROM A -14.6V TO -16.6V SUPPLY	IT CAN ALSO OPERATE FROM A -14.6V TO -16.6V SUPPLY
Analog Integrated Circuits - Other Types	-	ANALOG CIRCUIT	ANALOG CIRCUIT	ANALOG CIRCUIT
JESD-30 code	-	R-PDSO-G16	R-PDIP-T18	R-PDSO-G16
Nominal Negative Supply Voltage (Vsup)	-	-13 V	-13 V	-13 V
Number of functions	-	1	1	1
Number of terminals	-	16	18	16
Maximum operating temperature	-	100 °C	100 °C	100 °C
Minimum operating temperature	-	-10 °C	-10 °C	-10 °C
Package body material	-	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	-	SOP	DIP	SOP
Encapsulate equivalent code	-	SOP16,.25	DIP18,.3	SOP16,.25
Package shape	-	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	-	SMALL OUTLINE	IN-LINE	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	-	260	NOT SPECIFIED	260
power supply	-	-13 V	-13 V	-13 V
Certification status	-	Not Qualified	Not Qualified	Not Qualified
Maximum supply current (Isup)	-	3 mA	3 mA	3 mA
Maximum supply voltage (Vsup)	-	16.8 V	16.8 V	16.8 V
Minimum supply voltage (Vsup)	-	13 V	13 V	13 V
surface mount	-	YES	NO	YES
technology	-	BIPOLAR	BIPOLAR	BIPOLAR
Temperature level	-	OTHER	OTHER	OTHER
Terminal form	-	GULL WING	THROUGH-HOLE	GULL WING
Terminal pitch	-	1.27 mm	2.54 mm	1.27 mm
Terminal location	-	DUAL	DUAL	DUAL
Maximum time at peak reflow temperature	-	40	NOT SPECIFIED	40
width	-	3.8 mm	7.62 mm	3.8 mm
Base Number Matches	-	1	1	1

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