The ULQ200xA-Q1 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 higher current capability.
The ULQ2003A-Q1 has a 2.7-kΩ series base resistor for each Darlington pair, for operation directly with TTL or 5-V CMOS devices. The ULQ2004A-Q1 has a 10.5-kΩ series base resistor to allow operation directly from CMOS devices that use supply voltages of 6 V to 15 V. The required input current of the ULQ2004A-Q1 is below that of the ULQ2003A-Q1.
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| Drivers per package | 7 |
| Switching voltage (max) (V) | 50 |
| Output voltage (max) (V) | 50 |
| Peak output current (A) | 0.5 |
| Delay time (typ) (ns) | 1000 |
| Input compatibility | CMOS, TTL |
| Vol at lowest spec current (typ) (mV) | 900 |
| Iout/ch (max) (mA) | 500 |
| Iout_off (typ) (µA) | 100 |
| Rating | Automotive |
| Operating temperature range (°C) | -40 to 125 |
| FET | Internal |
| Imax (A) | 0.5 |
| Device type | Low-side switches |
| Function | Automotive load dump compatibility, Inductive load compatibility |
| SOIC (D) | 16 | 59.4 mm² 9.9 x 6 |
| TSSOP (PW) | 16 | 32 mm² 5 x 6.4 |
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