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PIP201-12M-3 데이터시트 PDF




NXP Semiconductors에서 제조한 전자 부품 PIP201-12M-3은 전자 산업 및 응용 분야에서
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부품번호 PIP201-12M-3 기능
기능 DC-to-DC converter powertrain
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PIP201-12M-3 데이터시트, 핀배열, 회로
www.DataSheet4U.com
M3D797
PIP201-12M-3
DC-to-DC converter powertrain
Rev. 03 — 19 November 2003
Product data
1. Description
The PIP201-12M is designed for use as the power output stage of a synchronous
buck DC-to-DC converter. It contains a MOSFET control IC and two power MOSFET
transistors. By combining the power MOSFETs and the driver circuit into a single
component, stray inductances are virtually eliminated, resulting in higher switching
frequency, lower switching losses and a compact, efficient design.
2. Features
s Input conversion range from 3.3 V to 12 V
s Output voltages from 0.8 V to 5 V
s Capable of up to 20 A continuous output current
s Operating frequency up to 1 MHz
s Peak system efficiency >90% at 500 kHz
s Low-profile, surface mount package (10 × 10 × 0.85 mm)
s Compatible with any single or multi-phase PWM controller.
3. Applications
s High-current DC-to-DC point-of-load converters
s Small form-factor Voltage Regulator Modules
s Microprocessor and memory voltage regulators.
4. Ordering information
Table 1: Ordering information
Type number
Package
Name
PIP201-12M-3
HVQFN68
(MLF68)
Description
Version
plastic thermal enhanced very thin quad flat package; no leads; SOT687-1
68 terminals; body 10 × 10 × 0.85 mm




PIP201-12M-3 pdf, 반도체, 판매, 대치품
Philips Semiconductors
www.DataSheet4U.com
PIP201-12M-3
DC-to-DC converter powertrain
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 (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.
7.2 MOSFET driver function
9397 750 11942
Product data
input voltage
upper MOSFET
gate drive
lower MOSFET
gate drive
delay
delay
output voltage
03ag35
Fig 4. Input, output and gate drive waveforms of a synchronous DC-to-DC converter
output stage.
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 source-drain diode of the lower
MOSFET. This causes output voltage to fall from zero to approximately 0.7 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,
VDDO.
When the input voltage goes LOW, the gate drive to the upper MOSFET immediately
goes LOW. The output voltage falls from VDDO, until it is clamped by the source-drain
diode of the synchronous FET at approximately 0.7 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 0.7 V to
zero.
7.3 Bootstrap diode
A bootstrap diode is integrated into the design of the PIP201-12M between VDDC and
CB.
Rev. 03 — 19 November 2003
© Koninklijke Philips Electronics N.V. 2003. All rights reserved.
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PIP201-12M-3 전자부품, 판매, 대치품
Philips Semiconductors
www.DataSheet4U.com
PIP201-12M-3
DC-to-DC converter powertrain
6
Ptot
(W)
4
2
03ae77
1.6
a
1.4
1.2
1
03ag54
0
0 5 10 15 IO(AV) A 20
0.8
5
10 15 20
VDDO (V)
VDDC = 12 V; VDDO = 12 V; VO = 1.6 V; fi = 500 kHz
Fig 6. Total power dissipation as a function of average
output current; typical values.
VDDC = 12 V; VO = 1.6 V; fi = 500 kHz; IO(AV) = 12.5 A
a = ---------------P----t--o--t---------------
Ptot(V DDO = 12V )
Fig 7. Normalized power dissipation as a function of
output stage supply voltage; typical values.
03ag55
03ag74
1.3 1.6
bc
1.4
1.2
1.2
1.1
1
1
0.8
0.9
1 2 3 4 VO (V) 5
0.6
200 400 600 800 fi (kHz)1000
VDDC = 12 V; VDDO = 12 V; fi = 500 kHz; IO(AV) = 12.5 A
b = P----t--o---t-(--V-P--O--t-o--=-t---1--.-6---V---)
Fig 8. Normalized power dissipation as a function of
output voltage; typical values.
VDDC = 12 V; VDDO = 12 V; VO = 1.6 V; IO(AV) = 12.5 A
c = P----t--o---t-(---f--Pi--=--t-o-5--t-0--0---k--H----z-)
Fig 9. Normalized power dissipation as a function of
input frequency; typical values.
9397 750 11942
Product data
Rev. 03 — 19 November 2003
© Koninklijke Philips Electronics N.V. 2003. All rights reserved.
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PIP201-12M-3

DC-to-DC converter powertrain

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