(China (Mainland))
Product Summary
The L149 is a general purpose power booster in Pentawatt package consisting of a quasi-complentary darlington output stage with the associated biasing system an inhibit facility. The L149 is particularly suited for use with an operational amplifier inside a closed loop configuration to increase output current.
Parametrics
L149 absolute maximum ratings: (1)Supply Voltage: ±20 V; (2)Upper Power Transistor: 40 V; (3)Lower Power Transistor: 40 V; (4)DC Output Current: 3 A; (5)Peak Output Current (internally limited): 4 A; (6)Input Inhibit Voltage: - Vs + 5 V; (7)Total Power Dissipation at Tcase = 75 ℃): 25 W.
Features
L149 features: (1)high output current (4A peak); (2)high current gain (10.000 typ.); (3)operation up TO ± 20 V; (4)thermal protection; (5)short circuit protection; (6)operation within SOA; (7)high slew-rate (30 V/ms).
Diagrams
| Image | Part No | Mfg | Description |  |
Pricing (USD) |
Quantity | ||||
|---|---|---|---|---|---|---|---|---|---|---|
 |
 L149 |
Other |
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Data Sheet |
Negotiable |
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L149H |
STMicroelectronics |
Motor / Motion / Ignition Controllers & Drivers 4A Linear Driver |
Data Sheet |
Negotiable |
|
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|
L149V |
STMicroelectronics |
Motor / Motion / Ignition Controllers & Drivers 4A Linear Driver |
Data Sheet |
Negotiable |
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