HT7544 Voltage Regulator EOL Holtek SOT-89

Product Details

Product Description

Product Description
Factory
HT7530/33/36/44/50 EOL Notification
EOL Notification
Holtek hereby formally gives End Of Life (EOL) notification that the HT7530, HT7533, HT7536, HT7544 and HT7550
(hereinafter denoted as HT75XX) 100mA Voltage Regulator will be phased out of production with a latest purchase
date of July 31st 2003. The suggested replacement device will be known as the HT7530-1, HT7533-1, HT7536-1,
HT7544-1 and HT7550-1 (hereinafter denoted as HT75XX-1) and will offer superior performance by providing lower
output voltage tolerance of 3% in addition to having an additional SOT25 packaging type.
The following shows the phase out schedule for the HT75XX and the cross references between the phased out devices
and the new release devices:
 Last time buy date: July 31st 2003
 Order placement deadline
 Production stops: October 31st 2003
 Cease production
 Last delivery
 Product reaches end of life status
 Suggested replacement device: HT75XX-1
 Output voltage tolerance of
3%
 Additional SOT25 package release
 All devices are now available
 Refer to the following tables for cross reference information
General Information
This EOL notification announces the cessation of manufacture of the devices mentioned herein. The process of product discontinuation will be implemented in accordance with Holteks product EOL procedure. The device EOL information is supplied prior to cessation of manufacture to enable related customers to make the necessary adjustments to
their present and future purchasing plans. Users of these devices should review this material carefully and ensure that
final purchases are made within the schedule as defined in the following terms and conditions.
Last purchase date
This is the final date at which orders will be accepted for deliveries of the mentioned devices. After this date Holtek cannot enter into negotiations regarding the purchase of these phased out devices.
Production stops
After this specified date no more devices will be manufactured and last deliveries made. At this point the device can be
said to have reached their end of life status.
Suggested replacement device
The alternative devices are the recommended replacement devices for the phased-out devices. The suggested devices should functionally replace the original device however this is offered as reference information only. Holtek offers
no guarantee that the suggested replacement device will have exactly the same form, function or specification of the
phased-out device.
Device pricing
The subject of pricing for the specified devices under notice of phase-out is one that must be discussed with the Holtek
Sales Department. Quotations for devices will depend on several factors and can only be given upon individual requests.
Limited Warranty
All devices under notice of phase-out shall be subject to the Holtek Standard Limited Warranty.
Phased-out device future manufacture
Holtek reserves the right to re-introduce at any time in the future the manufacture of devices that may have gone
through the full phase-out procedure. All new re-introductions of previously phased-out devices will be announced on
the Holtek website.

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