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參數(shù)資料
| 型號： | 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)： | 21/22頁 |
| 文件大?。?/td> | 676K |
| 代理商： | 5962-8768103EA |
8
GROUND PLANES
Each output driver of these devices is capable of 2A peak
currents. Careful layout is essential for correct operation of
the chip. A ground plane must be employed. A unique sec-
tion of the ground plane must be designated for high di/dt
currents associated with the output stages. This point is the
power ground to which the PGND pin is connected. Power
ground can be separated from the rest of the ground plane
and connected at a single point, although this is not strictly
necessary if the high di/dt paths are well understood and
accounted for. VCC should be bypassed directly to power
ground with a good high frequency capacitor. The sources
UC1823A,B/1825A,B
UC2823A,B/2825A,B
UC3823A,B/3825A,B
of the power MOSFET should connect to power ground
as should the return connection for input power to the sys-
tem and the bulk input capacitor. The output should be
clamped with a high current Schottky diode to both VCC
and PGND. Nothing else should be connected to power
ground.
VREF should be bypassed directly to the signal portion
of the ground plane with a good high frequency capaci-
tor. Low ESR/ESL ceramic 1
F capacitors are recom-
mended for both VCC and VREF. All analog circuitry
should likewise be bypassed to the signal ground plane.
APPLICATIONS INFORMATION (cont.)
UDG-95115
UNITRODE INTEGRATED CIRCUITS
7 CONTINENTAL BLVD.
MERRIMACK, NH 03054
TEL.(603) 424-2410
FAX (603) 424-3460
grounding and bypass procedures should be followed.
The use of a ground plane is highly recommended.
Open Loop Test Circuit
This test fixture is useful for exercising many of the
UC3823A,B, UC3825A,B functions and measuring their
specifications. As with any wideband circuit, careful
UDG-95116
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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 上升時間: 下降時間: 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 上升時間: 下降時間: 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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| 5962-87683012A | 制造商:Texas Instruments 功能描述:Decoder/Demultiplexer Dual 2-to-4 20-Pin LCCC Tube 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| 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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