參數(shù)資料
型號: 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
文件頁數(shù): 10/20頁
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
10 of 20
9397 750 11942
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
The typical dissipation in each PIP201-12M as a function of output current, is given in
Figure 6
. At 500 KHz and 12.5 A output current, the dissipation in each PIP201-12M
is 2.7 W. The typical thermal resistance from junction to ambient is given in
Table 4
.
With thermal vias and forced air cooling, the thermal resistance of each PIP201-12M
from junction to ambient is15 K/W. Assuming a maximum ambient temperature of
55
°
C, the maximum junction temperature (T
j(max)
) is given by:
(1)
The thermal resistance between the junction and the printed-circuit board is 5 K/W.
Therefore, the maximum printed-circuit board temperature (T
pcb(max)
) is given by:
(2)
11.2 Advantages of an integrated driver
One problem in the design of low-voltage, high-current DC-to-DC converters using
discrete components, is stray inductance between the various circuit elements.
Stray inductance in the gate drive circuit increases the switching times of the
MOSFETs and causes high-frequency oscillation of the gate voltage.
Stray inductance in the high-current loop between V
DDO
and V
SSO
causes switching
losses and electromagnetic interference. In discrete designs, high-frequency electric
and magnetic fields radiate from PCB tracks and couple into adjacent circuits.
By integrating the power MOSFETs and their drive circuits into a single package,
stray inductance is virtually eliminated, resulting in a compact, efficient design.
In discrete designs, the delays in the MOSFET drivers must be long enough to
ensure no cross-conduction even when using the slowest MOSFETs. Use of an
integrated driver allows the propagation delays in the MOSFET drivers to be precisely
matched to the MOSFETs. This minimizes switching losses and eliminates
cross-conduction whilst allowing the circuit to operate at a higher frequency.
11.3 External connection of power and signal lines
A major benefit of the PIP201-12M module is the ability to switch the internal power
MOSFETs faster than a DC-to-DC converter built from discrete components. This
reduces switching losses and increases system efficiency but it also results in higher
transient voltages on the device supply lines (V
DDO
and V
SSO
). This is due to the high
rate of change of current (dI/dt) through the combined parasitic inductance of the pcb
tracks and the decoupling capacitors.
To minimize the amplitude of these transients, decoupling capacitors must be placed
between V
DDO
and V
SSO
, as close as possible to the device pins. Low inductance,
chip ceramic capacitors are recommended.
T
j max
)
P
tot
R
th j
a
(
)
×
T
amb
+
2.7
15
55
+
×
95.5
°
C
=
=
=
T
pcb max
)
T
j max
)
P
tot
R
th j
pcb
(
)
×
95.5
2.7
5
×
82
°
C
=
=
=
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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 開關(guān)穩(wěn)壓器 系列:- 標準包裝: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 - 開關(guān):52kHz 電流 - 輸出:1A 同步整流器:無 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/直流開關(guān)轉(zhuǎn)換器 TAPE7 MOSFET RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(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 安裝風格:SMD/SMT
PIP202-12M-2,518 功能描述:直流/直流開關(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: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5