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TL594 Folha de dados(PDF) 1 Page - ON Semiconductor

Nome de Peças TL594
Descrição Electrónicos  Precision Switchmode Pulse Width Modulation Control Circuit
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TL594 Folha de dados(HTML) 1 Page - ON Semiconductor

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© Semiconductor Components Industries, LLC, 2005
November, 2005 − Rev. 5
1
Publication Order Number:
TL594/D
TL594
Precision Switchmode
Pulse Width Modulation
Control Circuit
The TL594 is a fixed frequency, pulse width modulation control
circuit designed primarily for Switchmode power supply control.
Features
Complete Pulse Width Modulation Control Circuitry
On−Chip Oscillator with Master or Slave Operation
On−Chip Error Amplifiers
On−Chip 5.0 V Reference, 1.5% Accuracy
Adjustable Deadtime Control
Uncommitted Output Transistors Rated to 500 mA Source or Sink
Output Control for Push−Pull or Single−Ended Operation
Undervoltage Lockout
Pb−Free Packages are Available*
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Power Supply Voltage
VCC
42
V
Collector Output Voltage
VC1,
VC2
42
V
Collector Output Current
(Each Transistor) (Note 1)
IC1, IC2
500
mA
Amplifier Input Voltage Range
VIR
−0.3 to +42
V
Power Dissipation @ TA ≤ 45°C
PD
1000
mW
Thermal Resistance
Junction−to−Ambient (PDIP)
Junction−to−Air (TSSOP)
Junction−to−Ambient (SOIC)
RqJA
80
140
135
°C/W
Operating Junction Temperature
TJ
125
°C
Storage Temperature Range
Tstg
−55 to +125
°C
Operating Ambient Temperature Range
TL594CD, CN, CDTB
TA
−40 to 85
°C
Derating Ambient Temperature
TA
45
°C
Maximum ratings are those values beyond which device damage can occur.
Maximum ratings applied to the device are individual stress limit values (not
normal operating conditions) and are not valid simultaneously. If these limits are
exceeded, device functional operation is not implied, damage may occur and
reliability may be affected.
1. Maximum thermal limits must be observed.
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
SO−16
D SUFFIX
CASE 751B
TSSOP−16
DTB SUFFIX
CASE 948F
1
PDIP−16
N SUFFIX
CASE 648
1
1
MARKING
DIAGRAMS
1
16
TL594CDG
AWLYWW
A
= Assembly Location
WL, L
= Wafer Lot
YY, Y
= Year
WW, W = Work Week
G or
G = Pb−Free Package
TL59
4DTB
ALYW
G
G
See detailed ordering and shipping information in the package
dimensions section on page 10 of this data sheet.
ORDERING INFORMATION
PIN CONNECTIONS
CT
RT
Ground
C1
1
Inv
Input
C2
Q2
E2
E1
1
≈ 0.1 V
Oscillator
VCC
5.0 V
REF
(Top View)
Noninv
Input
Inv
Input
Vref
Output
Control
VCC
Noninv
Input
Compen/PWN
Comp Input
Deadtime
Control
Error
Amp
+
2
3
4
5
6
7
89
10
11
12
13
14
15
16
2
Error
Amp
+
Q1
http://onsemi.com
16
1
TL594CN
AWLYYWWG
1
16
(Note: Microdot may be in either location)


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