1A Voltage Regulator ICs

1A Voltage Regulators

The 78xx and 79 series of three-terminal positive and negative voltage regulators. Although designed primarily as fixed voltage regulators, these devices can be used with external components to obtain adjustable voltages and currents.

TO-220 package
Internal current limiting & thermal shut-down
1A rating subject to sufficient heatsinking

The LM2940 series of 1A (subject to sufficient heatsinking) positive regulator:

Dropout voltage 0.5V typ. (1V max. over the entire temperature range)
Low quiescent current
Designed for automotiver applications, protected against reverse battery connection and 2-battery jumps
Short circuit and thermal overload protection
Supplied in a plastic TO-220 package

£1.16 £0.58 (£0.70 UK, incl VAT)
2230-120
Voltage Regulator LM2940-5 Low Dropout +5V The LM2940 1A positive regulator features the ability to source 1A output current. Dropout voltage 0.5V...
2 item(s)
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£2.00 £1.00 (£1.20 UK, incl VAT)
2230-122
A monolithic 1A step-down (buck) voltage regulator that is a high efficiency replacements for the more conventional 3-pin linear regulators. These...
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£0.44 £0.22 (£0.26 UK, incl VAT)
2230-145
Voltage Regulator L78185CV +18V The 7900 series of three-terminal negative voltage regulators can deliver over 1A of regulated output current (subject...
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£1.13 £0.57 (£0.68 UK, incl VAT)
2230-150
Voltage Regulator LM2940-12 Low Dropout +12V The LM2940 1A positive regulator features the ability to source 1A output current. Dropout voltage...
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£0.44 £0.22 (£0.26 UK, incl VAT)
2230-160
Voltage Regulator L7912CV -12V The 7900 series of three-terminal negative voltage regulators can deliver over 1A of regulated output current (subject...
6 item(s)
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£0.21 (£0.25 UK, incl VAT)
2230-110
Voltage Regulator L7805CV +5V The 7800 series of three-terminal positive voltage regulators can deliver over 1A of regulated output current (subject...
In stock
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£0.37 (£0.44 UK, incl VAT)
2230-124
Voltage Regulator L7806CV +6V The 7800 series of three-terminal positive voltage regulators can deliver over 1A of regulated output current (subject to...
In stock
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£0.44 (£0.53 UK, incl VAT)
2230-128
Voltage Regulator L7808CV +8V The 7800 series of three-terminal positive voltage regulators can deliver over 1A of regulated output current (subject to...
In stock
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£0.30 (£0.36 UK, incl VAT)
2230-140
Voltage Regulator L7812CV +12V The 7800 series of three-terminal positive voltage regulators can deliver over 1A of regulated output current (subject...
In stock
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£0.72 (£0.86 UK, incl VAT)
2230-170
Voltage Regulator L7824CV +24V The 7800 series of three-terminal positive voltage regulators can deliver over 1A of regulated output current (subject...
In stock
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£0.44 (£0.53 UK, incl VAT)
2230-130
Voltage Regulator L7905CV -5V The 7900 series of three-terminal negative voltage regulators can deliver over 1A of regulated output current (subject to...
In stock
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£0.44 (£0.53 UK, incl VAT)
2230-135
Voltage Regulator L7908CV -8V The 7900 series of three-terminal negative voltage regulators can deliver over 1A of regulated output current (subject to...
In stock
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£0.44 (£0.53 UK, incl VAT)
2230-165
Voltage Regulator L7915CV -15V The 7900 series of three-terminal negative voltage regulators can deliver over 1A of regulated output current (subject...
In stock
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£0.55 (£0.66 UK, incl VAT)
2230-168
Voltage Regulator L7918CT -18V The 7900 series of three-terminal negative voltage regulators can deliver over 1A of regulated output current (subject...
In stock
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