參數(shù)資料
型號(hào)： TL494IN
廠商： MOTOROLA INC
元件分類： 穩(wěn)壓器
英文描述： SWITCHMODE PULSE WIDTH MODULATION CONTROL CIRCUIT
中文描述： 0.5 A SWITCHING CONTROLLER, 200 kHz SWITCHING FREQ-MAX, PDIP16
封裝： 648-08
文件頁(yè)數(shù)： 3/17頁(yè)
文件大?。?/td> 449K
代理商： TL494IN
www.ti.com
Absolute Maximum Ratings
(1)
over operating free-air temperature range (unless otherwise noted)
Recommended Operating Conditions
TL494
PULSE-WIDTH-MODULATION CONTROL CIRCUITS
SLVS074E–JANUARY 1983–REVISED FEBRUARY 2005
MIN
MAX
UNIT
V
V
V
mA
V
CC
V
I
V
O
I
O
Supply voltage
(2)
Amplifier input voltage
Collector output voltage
Collector output current
41
V
CC
+ 0.3
41
250
73
82
67
64
108
260
150
D package
DB package
N package
NS package
PW package
θ
JA
Package thermal impedance
(3)(4)
°
C/W
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
Storage temperature range
°
C
°
C
T
stg
–65
(1)
Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating
conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
All voltages are with respect to the network ground terminal.
Maximum power disipation is a function of T
(max),
θ
, and T
. The maximum allowable power dissipation at any allowable ambient
temperatire is P
= (T
(max) – T
)/
θ
. Operating at the absolute maximum T
J
of 150
°
C can affect reliability.
The package thermal impedance is calculated in accordance with JESD 51-7.
(2)
(3)
(4)
MIN
MAX
UNIT
V
V
V
mA
mA
kHz
nF
k
V
CC
V
I
V
O
Supply voltage
Amplifier input voltage
Collector output voltage
Collector output current (each transistor)
Current into feedback terminal
Oscillator frequency
Timing capacitor
Timing resistor
7
40
–0.3
V
CC
– 2
40
200
0.3
300
f
OSC
C
T
R
T
1
0.47
1.8
10000
500
TL494C
TL494I
0
70
85
T
A
Operating free-air temperature
°
C
–40
3
相關(guān)PDF資料
PDF描述
TL494 SWITCHMODE PULSE WIDTH MODULATION CONTROL CIRCUIT
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TL494ING4 制造商:Texas Instruments 功能描述:PULSEWIDTHMODULATION (PWM) DIP16 制造商:Texas Instruments 功能描述:PULSEWIDTHMODULATION (PWM), DIP16 制造商:Texas Instruments 功能描述:PULSEWIDTHMODULATION (PWM), DIP16; Input Voltage:15V; Output Voltage:40V; Output Current:200mA; Supply Voltage Min:7V; Supply Voltage Max:40V; Digital IC Case Style:DIP; No. of Pins:16; Frequency:300kHz; Operating Temperature ;RoHS Compliant: Yes
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