Three-terminal NEGATIVE VOLTAGE REGULATORS 1.5 A Output Current available in TO-220, TO-220FP and D2PAK L7912CV
npn smd transistor
,silicon power transistors
L79xxC
Negative voltage regulators
Features
■ Output current up to 1.5 A
■ Output voltages of -5; -8; -12; -15; -20 V
■ Thermal overload protection
■ Short circuit protection
■ Output transition SOA protection
Description
The L79XXC series of three-terminal negative regulators is available in TO-220, TO-220FP and D2PAK packages and several fixed output voltages, making it useful in a wide range of applications. These regulators can provide local on-card regulation, eliminating the distribution problems associated with single point regulation; furthermore, having the same voltage option as the L78XX positive standard series, they are particularly suited for split power supplies. If adequate heat sinking is provided, they can deliver over 1.5 A output current. Although designed primarily as fixed voltage regulators,
these devices can be used with external components to
obtain adjustable voltages and currents.
Table 1. Device summary
Part numbers | Order codes |
Output voltages |
||
TO-220 voltages (A type) |
D2PAK | TO-220FP | ||
L7905C | L7905CV | L7905CD2T-TR | L7905CP | -5 V |
L7908C | L7908CV | -8 V | ||
L7912C | L7912CV | L7912CD2T-TR | L7912CP | -12 V |
L7915C | L7915CV | L7915CD2T-TR | L7915CP | -15 V |
L7920C | L7920CD2T-TR (1) | -20 V |
Diagram
Pin configuration
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