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參數資料
| 型號： | PIP202-12M |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 模擬信號調理 |
| 英文描述： | DC to DC converter powertrain |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PQCC68 |
| 封裝： | 10 X 10 X 0.85 MM, PLASTIC, HVQFN-68 |
| 文件頁數： | 4/20頁 |
| 文件大?。?/td> | 156K |
| 代理商： | PIP202-12M |
Philips Semiconductors
PIP202-12M
DC to DC converter powertrain
Product data
Rev. 01 — 15 July 2002
4 of 20
9397 750 10031
Koninklijke Philips Electronics N.V. 2002. All rights reserved.
When the input voltage is LOW and current is flowing in the inductor, the upper
MOSFET must be off and the lower MOSFET must be on. Current flows from the
power ground (V
SSO
), through the lower MOSFET and the inductor (L
out
), to the
output.
Finally, when switching between states, both MOSFETs must not be on at the same
time.
7.2 MOSFET driver function
The input, output and gate drive waveforms are shown in
Figure 4
. When the input
voltage goes HIGH, the gate drive to the lower MOSFET immediately goes LOW. This
causes the output current to flow through the Schottky diode, connected between the
drain and source of the lower MOSFET. This causes output voltage to fall from zero to
approximately
0.5 V.
After a delay, if the input voltage is still HIGH, the gate drive to the upper MOSFET
goes HIGH. This causes the output voltage to rise to the output stage supply voltage,
V
DDO.
When the input voltage goes LOW, the gate drive to the upper MOSFET immediately
goes LOW. The output voltage falls from V
DDO
, until it is clamped by the Schottky
diode at approximately
0.5 V.
After a delay, if the input voltage is still LOW, the gate drive to the lower MOSFET
goes HIGH. The lower MOSFET turns on, and the output voltage rises from
0.5 V to
zero.
7.3 Bootstrap diode
A bootstrap diode is integrated into the design of the PIP202-12M between V
DDC
and CB.
Fig 4.
Input, output and gate drive waveforms of a synchronous DC to DC converter
output stage.
input voltage
output voltage
upper MOSFET
gate drive
lower MOSFET
gate drive
03ag35
delay
delay
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| PIP3115-B | KPSE 26C 26#20 SKT PLUG |
| PIP3117-B | Logic level TOPFET |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| PIP202-12M-2 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:DC-to-DC converter powertrain |
| PIP202-12M-2 /T3 | 功能描述:直流/直流開關轉換器 TAPE7 MOSFET RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| PIP202-12M-2,518 | 功能描述:直流/直流開關調節器 TAPE7 MOSFET RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| PIP20-5,08 | 功能描述:可插拔接線端子 PCB Hdr, 45 Deg, 5,08 PitchClosed End,20pole,12A,300V,Grn RoHS:否 制造商:Phoenix Contact 產品:Plugs 系列:PTS 端接類型:Spring Cage 位置/觸點數量:5 線規量程:26-14 節距:5 mm 電流額定值:10 A 電壓額定值:250 V 安裝風格: 安裝角: 觸點電鍍: |
| PIP206 | 制造商:SENSITRON 制造商全稱:Sensitron 功能描述:Transient Voltage Suppressor, Unidirectional |
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