ZA3020

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Hallo,

ich suche immer noch verzweifelt nach dem Chip (ZA3020, 2A DC-DC Step-Down).
Vielleicht hat jemand die Pinbelegung??
Gruss aus Kiel
Thoams



Re: ZA3020

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Step-Down).
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Frage doch mal hier:
http://www.vimicro.com/index_english.htm (das scheint der Hersteller
zu sein)

oder das hier ist der erste gegoogelte Link:

Dies ist die HTML-Version der Datei
http://www.welch.com.cn/vimicro/product/ZA3020-SPEC-200203.pdf .
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Sie bitte die folgende URL:
http://www.google.com/search?q=cache:ZX0S5SZ87T4J:www.welch.com.cn/vimicro/product/ZA3020-SPEC-200203.pdf+ZA3020&hl=de&ie=UTF-8
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Page 1

ZA3020
Mar. 2002
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General Description
The ZA3020 is a monolithic step-down (buck) regulator with a built in
internal Power MOSFET. It achieves 2A
continuous output current over a wide input supply range with
excellent load and line regulation.
Current mode operation provides fast transient response and eases loop
stabilization.
Fault condition protection includes cycle-by-cycle current limiting
and thermal shutdown. In shutdown mode the
regulator draws less than 20uA current.
The ZA3020 requires a minimum number of readily available standard
external components. A synchronization pin
allows the part to be driven to 600KHz.
Features
2A Output Current
0.18? Internal Power MOSFET Switch
Stable with Low ESR Output Ceramic capacitors
Up to 90% Efficiency
Less than 20uA Shutdown Mode
Fixed 400kHz frequency
Thermal Shutdown
Cycle-by-cycle over current protection
Wide 4.75 to 30V operating input range
Output Adjustable from 1.22 to 21V
Programmable under voltage lockout
Frequency Synchronization Input
Available in 8 pin SO and DIP packages
Applications
Portable DVD, Car DVD, Hi-end DVD
LCD Monitor
GPS, Car Electronics
Communication Productions
Distributed Power Systems
Efficient Pre-Regulator for Linear Regulators
Battery Charger Phone, Databank, Toys, LED,
Display, Satellite Receiver.
DIP8
SOP8
PLASTIC
2A Step-Down PWM Switch-Mode DC-DC Regulator



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