Datasheet Linear Technology LTC4417HUF#PBF — Datenblatt

Hersteller	Linear Technology
Serie	LTC4417
Artikelnummer	LTC4417HUF#PBF

Priorisierter PowerPath-Controller

Datenblätter

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PDF, 438 Kb, Datei hochgeladen: Oct 26, 2017, Seiten: 32
Prioritized PowerPath Controller

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Preise

Verpackung

Package	4x4 QFN-24
Package Code	UF
Package Index	05-08-1697

Parameter

Number of Channels	3
Demo Boards	DC1717A
Design Tools	LTspice File
Diode Off with Back-to-Back FETs?	yes
Export Control	no
Ideal Diode	Triple, External, P-Channel
Internal FET	no
Ishutdown	15.4 µA
Operating Temperature Range	-40 to 125 °C
Total Quiescent Current	0.028 mA
Typical Current Capability	5 A
Vin Max	36 V
Vin Min	2.5 V

Öko-Plan

RoHS

Compliant

Artikel

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Prioritize Power Sources in Any Order, Regardless of Relative Voltage: No µP Required &mdash LT Journal
PDF, 3.1 Mb, Datei veröffentlicht: Jul 9, 2013
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Prioritize Power Sources in Any Order, Regardless of Relative
Voltage: No ВµP Required
Sam Tran Does your application have multiple input power sources? Are one or more secondary
source voltages equal to or higher than the main source? How do you ensure the
main source powers the output when a higher voltage, secondary source is present?
How do you prevent sources from cross conducting, or backfeeding during input
source switchover? Do you need to prevent current sharing between similar voltage
sources? Are you worried about users plugging in sources backwards or plugging in
overvoltage sources to the system? The LTC4417 prioritized PowerPathв„ў controller,
with its wide 2.5V to 36V operating voltage range, solves all these issues by controlling
the connection of the input sources based on user-defined priority and validity while
protecting the system from overvoltage and reverse voltage insertions up to В±42V.
PRIORITIZING THREE
INPUT SOURCES FigureВ 1 shows a triple-input prioritizer.
Here, the 12V wall adapter is given top
priority, the 14.8V Li-ion battery stack is
prioritized second, and 12V sealed lead
acid (SLA) battery has the lowest priority.
Priority is simply set by connecting the
sources to the LTC4417 in pin order: V1 is
the highest priority; V3 the lowest priority.
The LTC4417 connects a higher priority input source to the output as long
as the input source voltage remains …

Modellreihe

Serie: LTC4417 (12)

LTC4417CGN#PBF LTC4417CGN#TRPBF LTC4417CUF#PBF LTC4417CUF#TRPBF LTC4417HGN#PBF LTC4417HGN#TRPBF LTC4417HUF#PBF LTC4417HUF#TRPBF LTC4417IGN#PBF LTC4417IGN#TRPBF LTC4417IUF#PBF LTC4417IUF#TRPBF

Herstellerklassifikation

Monitor, Control and Protection > PowerPath Controllers & Ideal Diodes
Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Power Management

Andere Namen:

LTC4417HUFPBF, LTC4417HUF PBF