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參數(shù)資料
| 型號(hào)： | 5962-8768103EA |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 2.2 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, CDIP16 |
| 封裝： | DIP-16 |
| 文件頁數(shù)： | 20/22頁 |
| 文件大小： | 676K |
| 代理商： | 5962-8768103EA |
7
UC1823A,B/1825A,B
UC2823A,B/2825A,B
UC3823A,B/3825A,B
SYNCHRONIZATION
The oscillator can be synchronized by an external pulse
inserted in series with the timing capacitor. Program the
free running frequency of the oscillator to be 10 to 15%
slower than the desired synchronous frequency. The
pulse width should be greater than 10ns and less than
half the discharge time of the oscillator. The rising edge
of the CLK/LEB pin can be used to generate a synchro-
nizing pulse for other chips. Note that, the CLK/LEB pin
will no longer accept an incoming synchronizing signal.
General Oscillator Synchronization
Operational Waveforms
Two Units
APPLICATIONS INFORMATION (cont.)
HIGH CURRENT OUTPUTS
Each totem pole output of the UC3823A,B and
UC3825A,B can deliver a 2 amp peak current into a ca-
pacitive load. The output can slew a 1000pF capacitor 15
volts in approximately 20 nanoseconds. Separate col-
lector supply (VC) and power ground (PGND) pins help
decouple the IC's analog circuitry from the high power
gate drive noise. The use of 3 Amp Schottky diodes
(1N5120, USD245 or equivalent) as shown in the figure
from each output to both VC and PGND are recom-
mended. The diodes clamp the output swing to the sup-
ply rails, necessary with any type of inductive/capacitive
load, typical of a MOSFET gate. Schottky diodes must
be used because a low forward voltage drop is required.
DO NOT USE standard silicon diodes.
Although a "single ended" device, two output drivers are
available on the UC3823A,B devices. These can be “par-
alleled” by the use of a one-half ohm (noninductive) re-
sistor connected in series with each output for a com-
bined peak current of 4 Amps.
Power MOSFET Drive Circuit
UDG-95111
UDG-95113
UDG-95112
UDG-95114
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| 5962-8768104V2A | 功能描述:電流型 PWM 控制器 High Spd PWM Controller RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| 5962-8768104VEA | 功能描述:電流型 PWM 控制器 High Spd PWM Controller RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
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| 5962-8768301EA | 制造商:Texas Instruments 功能描述:Decoder/Demultiplexer Dual 2-to-4 16-Pin CDIP Tube 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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