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PDF UTCTL1451 Data sheet ( Hoja de datos )
| Número de pieza | UTCTL1451 | |
| Descripción | DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS | |
| Fabricantes | Unisonic Technologies | |
| Logotipo |  |
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UTCTL1451 LINEAR INTEGRATED CIRCUIT
DUAL PULSE-WIDTH-MODULATION
CONTROL CIRCUITS
DESCRIPTION
The UTC TL1451 incorporates on a single monolithic chip
all the functions required in the construction of two pulse-
width-modulation (PWM) control circuits. Designed primarily
for power supply control, the TL1451 contains an on-chip 2.5V
regulator, two error amplifiers, an adjustable oscillator, two
dead-time comparators, undervoltage lockout circuitry, and
dual common –emitter output transistor circuits.
SOP-16
FEATURES
*Complete PWM Power control Circuitry
*Completely Synchronized Operation
*Internal Undervoltage Lockout Protection
*Wide Supply Voltage Range
*Internal Short-Circuit Protection
*Oscillator Frequency …500kHz Max
*Variable Dead Time Provides Control Over Total Range
*Internal Regulator Provides a Stable 2.5V Reference Supply
PIN CONFIGURATIONS
DIP-16
CT 1
ERROR
AMPLIFIER
1
RT
1 IN+
1 IN-
2
3
4
1 FEEDBACK
1 DTC
5
6
1 OUT 7
GND 8
16 REF
15 SCP
14 2 IN+
13 2 IN-
ERROR
AMPLIFIER
2
12 2 FEEDBACK
11 2 DTC
10 2 OUT
9 Vcc
UTC UNISONIC TECHNOLOGIES CO., LTD. 1
QW-R103-011,A
1 page  
UTC TL1451
TEST CIRCUIT
LINEAR INTEGRATED CIRCUIT
TIMING DIAGRAM
UTC UNISONIC TECHNOLOGIES CO., LTD. 5
QW-R103-011,A
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet UTCTL1451.PDF ] | |
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