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| 型號(hào)： | 5962-8768101VEA |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類(lèi)： | 穩(wěn)壓器 |
| 英文描述： | 2 A SWITCHING CONTROLLER, 460 kHz SWITCHING FREQ-MAX, CDIP16 |
| 封裝： | CERAMIC, DIP-16 |
| 文件頁(yè)數(shù)： | 14/16頁(yè) |
| 文件大?。?/td> | 276K |
| 代理商： | 5962-8768101VEA |
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PRINTED CIRCUIT BOARD LAYOUT CONSIDERATIONS
INV
NON INV
Error Amplifier Output
VREF 5.1 V
200 W
UC1825
Simplified Schematic
1
2
3
16
100
80
60
40
0
20
f Frequency Hz
0
1 K
10 K 100 K
1 M
10 M 100 M
0
OPEN LOOP FREQUENCY RESPONSE
90
180
Phase
°
A
V
V
oltage
AV
0
5
4
3
2
0
0.2
0.4
0.6
1
0.8
1
VIN
VIOUT
V
oltage
t Time ms
UNITY GAIN SLEW RATE
www.ti.com............................................................................................................................................................................................... SLUS870 – JANUARY 2009
High speed circuits demand careful attention to layout and component placement. To ensure proper performance
of the UC1825 follow these rules:
1. Use a ground plane.
2. Damp or clamp parasitic inductive kick energy from the gate of driven MOSFETs. Do not allow the output
pins to ring below ground. A series gate resistor or a shunt 1-A Schottky diode at the output pin serves this
purpose.
3. Bypass VCC, VC, and VREF. Use 0.1-F monolithic ceramic capacitors with low equivalent series inductance.
Allow less than 1-cm of total lead length for each capacitor between the bypassed pin and the ground plane.
4. Treat the timing capacitor, CT, like a bypass capacitor.
Figure 1. Error Amplifier
Copyright 2009, Texas Instruments Incorporated
7
Product Folder Link(s): UC1825-SP
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| 5962-89905032A | 2.2 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, CQCC20 |
| 5962-8768103EA | 2.2 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, CDIP16 |
| 5962-8768104V2A | 1.5 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, CQCC20 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 5962-87681022A | 制造商:Texas Instruments 功能描述: 制造商:Texas Instruments 功能描述:5962-87681022A, HIGH SPEED PWM CONT - Rail/Tube |
| 5962-8768102EA | 制造商:Texas Instruments 功能描述:Current Mode PWM Controller 2A 16-Pin CDIP 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:CURRENT MODE PWM CNTRLR 2A 16CDIP - Rail/Tube |
| 5962-8768102XA | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| 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(kāi)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(kāi)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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