參數(shù)資料
型號(hào)： PIP201-12M
英文描述： Analog IC
中文描述： 模擬IC
文件頁(yè)數(shù)： 15/20頁(yè)
文件大?。?/td> 319K
代理商： PIP201-12M
Philips Semiconductors
PIP201-12M
DC to DC converter powertrain
Preliminary data
Rev. 01 — 24 January 2002
4 of 20
9397 750 09032
Koninklijke Philips Electronics N.V. 2002. All rights reserved.
[1]
All pins connected to PAD1
[2]
All pins connected to PAD2
[3]
All pins connected to PAD3.
7.
Functional description
7.1 Application requirements
In order to understand the functions performed by the PIP201-12M, consider the
requirements of a synchronous DC to DC converter output stage, driven from a PWM
controller (Figure 3).
When the input voltage is HIGH, the upper MOSFET must be on and the lower
MOSFET must be off. Current ows from the supply (VDDO), through the upper
MOSFET and the inductor (Lout), to the output.
When the input voltage is LOW and current is owing in the inductor, the upper
MOSFET must be off and the lower MOSFET must be on. Current ows from the
power ground (VSSO), through the lower MOSFET and the inductor (Lout), to the
output.
Finally, when switching between states, both MOSFETs must not be on at the same
time.
VI
16, 17
I
pulse width modulated input
n.c.
18 to 21, 25
not connected
VSSO
28 to 44
output stage supply ground
Table 2:
Pin description…continued
Symbol
Pin
I/O
Description
Fig 3.
Simplied functional block diagram of a synchronous DC-DC converter
output stage.
VI
VDDC
VO
VDDO
input voltage
from PWM controller
control circuit supply (12 V)
output stage supply voltage (12 V)
tp
T
VI
VSSO
VSSC
CB
03ad36
output
100
nF
100
nF
100
nF
100
nF
Lout
tp
T
δ =
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PIP201-12M-3 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:DC-to-DC converter powertrain
PIP201-12M-3,518 功能描述:IC REG BUCK SYNC ADJ 20A 68HVQFN RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開(kāi)關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:20 系列:SIMPLE SWITCHER® 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:12V 輸入電壓:4 V ~ 60 V PWM 型:電壓模式 頻率 - 開(kāi)關(guān):52kHz 電流 - 輸出:1A 同步整流器:無(wú) 工作溫度:-40°C ~ 125°C 安裝類型:通孔 封裝/外殼:16-DIP（0.300"，7.62mm） 包裝:管件 供應(yīng)商設(shè)備封裝:16-DIP 其它名稱:*LM2575HVN-12LM2575HVN-12
PIP202-12M 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:DC to DC converter powertrain
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(kāi)關(guān)轉(zhuǎn)換器 TAPE7 MOSFET RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
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