pip401-03 NXP Semiconductors, pip401-03 Datasheet

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pip401-03

Manufacturer Part Number
pip401-03
Description
Pip401 Or-ing Intelligent Switch
Manufacturer
NXP Semiconductors
Datasheet
1. Description
2. Features
3. Applications
4. Ordering information
Table 1:
Type number
PIP401
VI
V CC
TFL
Ordering information
VRS
GND
003aaa198
VO
Package
Name
D
2
-PAK (7 lead)
The PIP401 is an OR-ing Intelligent Switch (ORIS), a dedicated power OR-ing
device, that combines the simplicity of a diode with the efficiency of a MOSFET
switch.
The PIP401 will have optimum use in supply lines with up to 40 A loads. For higher
currents, two or more PIP401 devices can be used in parallel. The intended
application is parallel redundant power supply networks, where the PIP401 provides
a high-efficiency alternative to a rectifier diode. When the input voltage is greater than
the output voltage, the PIP401 conducts with very low voltage drop. When the input
voltage drops below the output voltage, the PIP401 switches off very quickly, blocking
the flow of reverse current. Remote sensing of the load voltage compensates for
inductance in the power supply lines. A thermal indicator is provided to allow power
supply shutdown or load reduction if the junction temperature exceeds 150 C.
PIP401
OR-ing Intelligent Switch
Rev. 03 — 5 November 2002
Very low voltage drop (typ 70 mV at 40 A)
Controlled turn-on
Fast turn-off
Remote sensing
Overtemperature flag
Low thermal resistance
ESD protected
Surface mount package.
Compact PCI power supplies
Telecommunications equipment power supplies
High-reliability, parallel redundant power supply networks.
Description
Plastic, single-ended surface mount package (Philips version of
D
2
-PAK); 7 leads (centre lead cropped).
Version
SOT427
Product data

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pip401-03 Summary of contents

Page 1

... MOSFET switch. The PIP401 will have optimum use in supply lines with loads. For higher currents, two or more PIP401 devices can be used in parallel. The intended application is parallel redundant power supply networks, where the PIP401 provides a high-effi ...

Page 2

... SOT427 shows the block diagram of the PIP401, which contains the following shows the basic application circuit for the PIP401. The protected supply is . The remote sense input (VRS) is joined the load point. CC Rev. 03 — 5 November 2002 PIP401 ...

Page 3

... VO at the device pins should only be made if the distance between the PIP401 and the load is very short, less than 25 mm. Rev. 03 — 5 November 2002 PIP401 OR-ing Intelligent Switch V CC VRS ...

Page 4

... Typical turn-on time 7.3.2 Low voltage drop The on-state characteristic of the PIP401 is shown in PIP401 has very low voltage drop, typically This produces a power dissipation of 2 comparison, a Schottky diode with a forward voltage drop of 320 mV would have a power dissipation of 12.8 W. ...

Page 5

... In the event of failure of the supply to V forward voltage drop increases from a few millivolts to approximately 0.7 V. The power dissipation in the PIP401 increases causing the junction temperature to rise. A temperature detection circuit with an open-collector output is provided, that can be used to generate a warning signal for the power supply. The temperature flag operates at a typical junction temperature of 160 C ...

Page 6

... T junction temperature j V electrostatic discharge voltage esd [1] Assumes a thermal resistance from junction to mounting base of 0.65 K/W. [2] The PIP401 meets class 2 for Human Body Model and Machine Model (JEDEC). 9397 750 10578 Product data Conditions VO open circuit ...

Page 7

... LFM). mounted on glass-epoxy circuit board with minimum footprint area Rev. 03 — 5 November 2002 PIP401 OR-ing Intelligent Switch Min Typ Max - 0.5 0. ...

Page 8

... 100 flows out of VI. CC Rev. 03 — 5 November 2002 PIP401 OR-ing Intelligent Switch Typ Max + 0. 0 ...

Page 9

... PIP401 devices to a shared load. An auxiliary supply provides the PIP401 devices with 12 V. Power supplies with forced current sharing capability are ideal for this application. The remote connection to each PIP401 is taken from a point close to the load in order to compensate for the effects 9397 750 10578 Product data ...

Page 10

... At the instant that the power supply fails, the PIP401 detects that the voltage less than the voltage on the remote sense connection VRS. The drive voltage to the series power switch is immediately turned off, but the series power switch takes further 300 ns to switch off completely ...

Page 11

... C. The typical on-state voltage of the PIP401 mV. To calculate the on-state voltage at 160 C, the 25 C value is multiplied by the normalized on-state voltage factor given ...

Page 12

... Philips Semiconductors The voltage drop across the PIP401 in the off state is approximately 0.7 V. Therefore, the overtemperature flag will operate if the current through the PIP401 is greater than the thermal resistance from junction to ambient is higher, then the temperature flag will operate at a lower value of output current. ...

Page 13

... max. 1.60 10.30 2.90 15.80 11 1.27 1.20 9.70 2.10 14.80 REFERENCES JEDEC EIAJ Rev. 03 — 5 November 2002 PIP401 OR-ing Intelligent Switch 2 -PAK mounting base 2.60 2.20 EUROPEAN ISSUE DATE PROJECTION 99-06-25 01-04-18 © Koninklijke Philips Electronics N.V. 2002. All rights reserved. SOT427 ...

Page 14

... Objective data (9397 750 09971) 9397 750 10578 Product data Figure 5 Table with airflow added to Table 4. th(j-a) Figure 1. Table 3. Power dissipation (P Figure 5 Rev. 03 — 5 November 2002 PIP401 OR-ing Intelligent Switch changed in Table 5 and Section 7.3.2 F Section 11 rating removed. Minimum voltage ratings tot changed in Table 5 and Section 7.3.2 F Section 11 ...

Page 15

... Rev. 03 — 5 November 2002 Rev. 03 — 5 November 2002 PIP401 PIP401 OR-ing Intelligent Switch OR-ing Intelligent Switch Fax: + 24825 © Koninklijke Philips Electronics N.V. 2002. All rights reserved. © Koninklijke Philips Electronics N.V. 2002. All rights reserved. ...

Page 16

... No liability will be accepted by the publisher for any consequence of its use. Publication thereof does not convey nor imply any license under patent- or other industrial or intellectual property rights. Date of release: 5 November 2002 Document order number: 9397 750 10578 PIP401 OR-ing Intelligent Switch ...

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