PB137 Просмотр технического описания (PDF) - STMicroelectronics
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PB137 Datasheet PDF : 14 Pages
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PB137
Positive voltage regulator for battery charger
Features
■ Reverse leakage current less than 10 µA
■ Three terminal fixed version (13.7 V) output
current in excess of 1.5 A
■ Available in ± 1 % (AC) selection at 25 °C
■ Typical dropout voltage 2 V
■ Temperature range 0 to 150 °C
Description
The PB137 is a positive voltage regulator able to
provide 1.5 A, at VO = 13.7 V and is intended as a
charger for lead acid battery. The main feature is
a reverse leakage current (Max 10 µA at TJ = 0 to
40 °C VI = floating and VO = 13.7 V). It is available
in TO-220 and it employs internal current limiting,
thermal shut-down and safe area protection,
making it essentially indestructible. If adequate
heat-sinking is provided, they can deliver over 1 A
output current.
TO-220
Table 1.
Device summary
Order code
PB137ACV
November 2010
Package
TO-220
Doc ID 6278 Rev 5
Output voltage
1.5 V
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