High Voltage High Current Darlington
Found 9 free book(s)
ULN200x, ULQ200x High-Voltage, High-Current Darlington ...
www.ti.comThe ULx200xA devices are high-voltage, high-current Darlington transistor arrays. Each consists of seven NPN Darlington pairs that feature high-voltage outputs with common-cathode clamp diodes for switching inductive loads. The collector-current rating of a single Darlington pair is 500 mA. The Darlington pairs can be paralleled for
MC1413 - High Voltage, High Current Darlington Transistor ...
www.onsemi.comHigh Voltage, High Current Darlington Transistor Arrays The seven NPN Darlington connected transistors in these arrays are well suited for driving lamps, relays, or printer hammers in a variety of industrial and consumer applications. Their high breakdown voltage and internal suppression diodes insure freedom from problems associated with ...
Multiple stage amplifiers - Imperial College London
cas.ee.ic.ac.ukDarlington pair • The darlington pair is a high gain power amplifier it has: – Unity voltage gain – High current gain equal to the product of the two transistor current gains • Often used as a single transistor for higher beta. But : • has high input DC voltage drop • Good frequency response due to the absence of shunt Miller feedback.
ULN2003 LINEAR INTEGRATED CIRCUIT
www.unisonic.com.twThe UTC ULN2003 are high-voltage, high-current darlington drivers comprised of seven NPN Darlington pairs. All units feature integral clamp diodes for switching inductive loads. Applications include relay, hammer, lamp and display (LED) drivers. FEATURES *Output Current (Single Output): 500mA (Max.) *High Sustaining Voltage Output: 50V (Min.)
TIP140 - Darlington Complementary Silicon Power Transistors
www.onsemi.comDarlington Complementary Silicon Power Transistors TIP140, TIP141, TIP142, (NPN); TIP145, TIP146, TIP147, (PNP) Designed for general−purpose amplifier and low frequency switching applications. Features • High DC Current Gain − Min hFE = 1000 @ IC = 5.0 A, VCE = 4 V • Collector−Emitter Sustaining Voltage − @ 30 mA
AN170 NE555 and NE556 applications - 555 Timer Circuits
www.555-timer-circuits.comThe capacitor voltage is monitored by the threshold comparator (Q1-Q4) which is a Darlington differential pair. When the capacitor voltage reaches two thirds of the supply voltage, the current is directed from Q3 and Q4 thru Q1 and Q2. Amplification of the current change is provided by Q5 and Q6. Q5-Q6 and Q7-Q8 comprise a diode-biased amplifier.
CHAPTER 9: POWER MANAGEMENT - Analog Devices
www.analog.comLinear IC voltage regulators have long been standard power system building blocks. After an initial introduction in 5 V logic voltage regulator form, they have since expanded into other standard voltage levels spanning from less than 1 V to 24 V, handling output currents from as low as 25 mA (or less) to as high as 5 A (or more). For
AN-1148 Linear Regulators: Theory of Operation and ...
www.ti.comThe high gain of the Darlington in an NPN regulator means it requires very little drive to source IL, so it's ground pin current is very low (typically a few mA). The quasi-LDOalso has very good performance, with products like Texas Instrument's LM1085 being able to source more than 3A with less than 10 mA of ground pin current.
DC TO DC CONVERTER CONTROLLER
atta.szlcsc.comSupply Voltage V CC 40 V Comparator Input Voltage Range V IN(COMP)-0.3 ~ +40 V Switch Collector Voltage V C(SW) 40 V Switch Emitter Voltage V E(SW) 40 V Switch Collector to Emitter Voltage V CE(SW) 40 V Driver Collector Voltage V C(DR) 40 V Switch Current I SW 1.5 A DIP-8 1250 Power Dissipation (Ta=25°C) SOP-8 P D 625 mW Junction Temperature T