參數(shù)資料
型號(hào)： PIP201-12M-3
廠商： NXP SEMICONDUCTORS
元件分類： 穩(wěn)壓器
英文描述： DC-to-DC converter powertrain
中文描述： 200 A SWITCHING REGULATOR, PQCC68
封裝： 10 X 10 MM, 0.85 MM HEIGHT, PLASTIC, SOT-687-1, HVQFN-68
文件頁(yè)數(shù)： 11/20頁(yè)
文件大?。?/td> 345K
代理商： PIP201-12M-3
Philips Semiconductors
PIP201-12M-3
DC-to-DC converter powertrain
Product data
Rev. 03 — 19 November 2003
11 of 20
9397 750 11942
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
To protect the control circuit from the transient voltages, the following precautions
must be taken. Refer to
Figure 12
.
1. The output stage ground (V
SSO
) must be connected to the decoupling capacitor
(C
in
) before joining the ground plane. Otherwise, the switching noise on V
SSO
will
couple into the control circuit ground (V
SSC
).
2. The control circuit supply must be filtered using a resistor-capacitor (RC) filter.
The values shown in
Figure 12
are suitable for most applications.
3. It is essential that the V
SSC
(signal ground) connection at the device is not
connected in the current return path between the V
SSO
(power ground)
connection at the device and the V
DDO
input capacitor.
4. It is also essential that the input to the V
DDC
(logic power) filter is not connected in
the current path between the V
DDO
(conversion power) connection at the device.
11.4 Switching frequency
A high operating frequency reduces the size and number of capacitors needed to
filter the output current, and also reduces the size of the output inductors. The
disadvantage is higher dissipation due to switching and MOSFET driver losses. For
example, doubling the operating frequency of the circuit in
Figure 11
from 500 kHz to
1 MHz would increase the power dissipation in each PIP201-12M from 2.7 W to
4.5 W, at an output current of 12.5 A in each PIP201-12M.
The maximum switching frequency is limited by thermal considerations, the
dissipation in the PIP201-12M device(s) and the thermal resistance from junction to
ambient.
11.5 Thermal design
The PIP201-12M has three pads on its underside. These are designated PAD1, PAD2
and PAD3 (
Figure 2
). PAD1 is connected to V
DDO
, PAD2 is connected to V
SSC
and
PAD3 is connected to V
O
. In addition to providing low inductance electrical
connections, these pads conduct heat away efficiently from the MOSFETs and
control IC to the printed-circuit board. The thermal resistance from junction to
Fig 12. External connection of power and signal lines.
VI
VDDC
VSSC
VO
VDDO
control circuit
supply (12 V)
output stage supply voltage
VSSO
CB
03ae27
output
100
nF
Lout
Cout
10
1
μ
F
Cin
signal ground
power ground
input voltage
from PWM controller
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
PIP202-12M-2,518 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 TAPE7 MOSFET RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)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(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
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