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TL594 Datasheet(PDF) 1 Page - Unisonic Technologies

No. de pieza TL594
Descripción Electrónicos  PULSE-WIDTH-MODULATION CONTROL CIRCUIT
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Fabricante Electrónico  UTC [Unisonic Technologies]
Página de inicio  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

TL594 Datasheet(HTML) 1 Page - Unisonic Technologies

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UNISONIC TECHNOLOGIES CO., LTD
TL594
LINEAR INTEGRATED CIRCUIT
www.unisonic.com.tw
1 of 9
Copyright © 2014 Unisonic Technologies Co., Ltd
QW-R103-031.C
PULSE-WIDTH-MODULATION
CONTROL CIRCUIT
DESCRIPTION
The UTC TL594 is a PWM (Pulse Width Modulation) control
circuit, incorporating two error amplifiers, an on-chip adjustable
oscillator, a DTC (Deadtime Control) comparator, a pulse-steering
control flip-flop, a regulator rated 5V with 1% accuracy, an UVLO
(Undervoltage Lockout) control circuit and an output control circuit.
The two error amplifiers have a common-mode voltage varies
from -0.3 V to VCC-2 V. The DTC comparator with a fixed-offset
offers dead time nearly 5%. The UVLO circuit forbids the output until
the internal circuitry is operational. The internal oscillator is used to
drive the common circuits in synchronous multiple-rail power
supplies, when be bypassed by terminating RT to the reference
output and providing an external input of sawtooth to CT.
The uncommitted output transistors have the capabilities of either
common-emitter or emitter-follower output. The output control can
select the push-pull or single-ended output operation for each
device. This chip is not allowed to appear the double pulse status for
either output during push-pull output operation due to its structure.
The UTC TL594 is generally used for the power supply control
circuits, which apply to a large area.
FEATURES
* Adjustable dead time
* Uncommitted outputs transistor rated to 200mA sink or source
current
* Single-Ended or Push-Pull operation selected by output control
* Double pulse is not allowed at either output due to its architecture
* 5V Internal reference voltage (1% accuracy)
* UVLO under the low VCC status
DIP-16
SOP-16
ORDERING INFORMATION
Order Number
Package
Packing
Lead Free
Halogen Free
TL594L-D16-T
TL594G-D16-T
DIP-16
Tube
-
TL594G-S16-R
SOP-16
Tape Reel


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