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LD1084V12 数据手册 - ST Microelectronics（意法半导体）
制造商:
ST Microelectronics（意法半导体）
分类:
稳压芯片
封装:
TO-220-3
描述:
5低压降正稳压器可调和固定 5 A low drop positive voltage regulator adjustable and fixed
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LD1084V12数据手册
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This is information on a product in full production.
September 2013 DocID9035 Rev 10 1/16
16
LD1084
5 A low-drop positive voltage regulator adjustable
Datasheet
-
production data
Features
• Typical dropout 1.3 V (at 5 A)
• Three-terminal adjustable output voltage
• Guaranteed output current up to 5 A
• Output tolerance ± 1% at 25 °C and ± 2% in full
temperature range
• Internal power and thermal limit
• Wide operating temperature range -40 °C to
125 °C
• Package available: TO-220
• Pinout compatibility with standard adjustable
VREG
Description
The LD1084 is a low-drop voltage regulator
providing up to 5 A of output current. Dropout is
guaranteed at a maximum of 1.5 V at the
maximum output current, decreasing at lower
loads. The LD1084 is pin-to-pin compatible with
the older 3-terminal adjustable regulators, but it
has better performances in terms of drop and
output tolerance.
Unlike PNP regulators, where a part of the output
current is wasted as quiescent current, the
LD1084 quiescent current flows into the load, so
to increase the efficiency. A minimum capacitor of
10 µF is needed for stability.
The device is supplied in TO-220. The on-chip
trimming allows the regulator to reach a very tight
output voltage tolerance, within ± 1% at 25 °C.
TO-220
Table 1. Device summary
Order code Output voltage
LD1084V adjustable
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