參數(shù)資料
型號： TL384x
廠商： Texas Instruments, Inc.
英文描述： CURRENT-MODE PWM CONTROLLERS
中文描述： 電流模式PWM控制器
文件頁數(shù)： 10/12頁
文件大小： 171K
代理商： TL384X
TL284x, TL384x
CURRENT-MODE PWMCONTROLLERS
SLVS038E – JANUARY 1989 – REVISED DECEMBER 1999
10
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
DEAD TIME
vs
TIMING CAPACITANCE
Figure 4
s
μ
D
100
40
10
4
0
CT – Timing Capacitance – nF
100
40
10
4
1
0.4
0.1
VCC = 15 V
RT
≥
5 k
TA = 25
°
C
TIMING RESISTANCE
vs
FREQUENCY
Figure 5
R
T
–
100
1 k
10 k
100 k
1 M
f - Frequency - Hz
100
40
10
4
1
VCC = 15 V
TA = 25
°
C
CT = 22 nF
CT = 47 nF
CT = 100 nF
CT = 10 nF
CT = 4.7 nF
CT = 22 nF
CT = 1 nF
open-loop laboratory test fixture
In the open-loop laboratory test fixture shown in Figure 6, high peak currents associated with loads necessitate
careful grounding techniques. Timing and bypass capacitors should be connected close to the GND terminal
in a single-point ground. The transistor and 5-k
potentiometer sample the oscillator waveform and apply an
adjustable ramp to the ISENSE terminal.
2N2222
4.7 k
1 k
Error Amplifier
Adjust
4.7 k
5 k
ISENSE
Adjust
RT
100 k
COMP
VFB
ISENSE
RT/CT
REF
OUTPUT
GND
VCC
0.1
μ
F
0.1
μ
F
REF
VCC
OUTPUT
GND
1 k
, 1 W
A
CT
TL284x
TL384x
DUT
Figure 6. Open-Loop Laboratory Test Fixture
相關(guān)PDF資料
PDF描述
TL384xD CURRENT-MODE PWM CONTROLLERS
TL284X Test Jack; Leaded Process Compatible:Yes; Peak Reflow Compatible (260 C):Yes
TL284xD CURRENT-MODE PWM CONTROLLERS
TL384xD-8 CURRENT-MODE PWM CONTROLLERS
TL3016D ULTRA-FAST LOW-POWER PRECISION COMPARATORS
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TL384XB 制造商:TI 制造商全稱:Texas Instruments 功能描述:HIGH-PERFORMANCE CURRENT-MODE PWM CONTROLLERS
TL384XD 制造商:TI 制造商全稱:Texas Instruments 功能描述:CURRENT-MODE PWM CONTROLLERS
TL384XD-8 制造商:TI 制造商全稱:Texas Instruments 功能描述:CURRENT-MODE PWM CONTROLLERS
TL384XP 制造商:TI 制造商全稱:Texas Instruments 功能描述:CURRENT-MODE PWM CONTROLLERS
TL38P000000 功能描述:撥動(dòng)開關(guān) SPDT 0.4VA 20VAC/DC 5.3mm On-Off-Mom RoHS:否 制造商:C&K Components 觸點(diǎn)形式:DPDT 開關(guān)功能:ON - ON - ON 電流額定值: 電壓額定值 AC:20 V 電壓額定值 DC:20 V 功率額定值:0.4 VA 端接類型:V-Bracket 安裝風(fēng)格: 端子密封:Epoxy 觸點(diǎn)電鍍:Gold 照明:Not Illuminated
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