L293B Integrated Circuit Chip PUSH PULL FOUR CHANNEL DRIVERS
electronics ic chip
,integrated circuit components
L293B L293E
PUSH-PULL FOUR CHANNEL DRIVERS
■ OUTPUT CURRENT 1A PER CHANNEL
■ PEAK OUTPUT CURRENT 2A PER CHANNEL (non repetitive)
■ INHIBIT FACILITY
■ HIGH NOISE IMMUNITY
■ SEPARATE LOGIC SUPPLY
■ OVERTEMPERATURE PROTECTION
DESCRIPTION
The L293B and L293E are quad push-pull drivers capable of delivering output currents to 1A per channel. Each channel is controlled by a TTLcompatible logic input and each pair of drivers (a full bridge) is equipped with an inhibit input which turns off all four transistors. A separate supply input is provided for the logic so that it may be run off a lower voltage to reduce dissipation.
Additionally, the L293E has external connection of sensing resistors, for switchmode control.
The L293B and L293E are package in 16 and 20- pin plastic DIPs respectively ; both use the four center pins to conduct heat to the printed circuit board.
ABSOLUTE MAXIMUM RATINGS
| Symbol | Parameter | Value | Unit |
|---|---|---|---|
| Vs | Supply Voltage | 36 | V |
| Vss | Logic Supply Voltage | 36 | V |
| Vi | Input Voltage | 7 | V |
| Vinh | Inhibit Voltage | 7 | V |
| Iout | Peak Output Current (non repetitive t = 5ms) | 2 | A |
| Ptot | Total Power Dissipation at Tground-pins = 80°C | 5 | W |
| Tstg, Tj | Storage and Junction Temperature | –40 to +150 | ℃ |
PIN CONNECTION (Top view)
Stock Offer (Hot Sell)
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| PIC16F876A-I/SP | 3000 | MICROCHI | 15+ | DIP |
| PS8802-1 | 3000 | NEC | 16+ | SOP8 |
| RL207 | 3000 | MIC | 16+ | DO-15 |
| RUEF500 | 3000 | TYCO/RAYC | 14+ | DIP-2 |
| SHT15 | 3000 | SENSIRION | 14+ | SMD |
| SK84 | 3000 | MCC | 14+ | SMC |
| SMCJ10A | 3000 | VISHAY | 16+ | DO-214A |
| SMP1322-017 | 3000 | SKYWORKS | 16+ | SOT-143 |
| SN65HVD251DR | 3000 | TI | 13+ | SOP8 |
| SR05 TCT | 3000 | SEMTECH | 15+ | SOT143 |
| STM809LWX6F | 3000 | ST | 16+ | SOT-23 |
| STP80NS04Z | 3000 | ST | 16+ | TO-220 |
| TC54VN3002ECB713 | 3000 | MICROCHIP | 14+ | SOT23-3 |
| TDA2003 | 3000 | ST | 14+ | TO-220 |
| TMBYV10-40FILM | 3000 | ST | 14+ | DO-213 |
| TNY274PN | 3000 | POWER | 16+ | DIP-7 |
| TPS2051BDBVR | 3000 | TI | 16+ | SOT23-5 |
| TPS61222DCKR | 3000 | TI | 13+ | SOT363 |
| UCLAMP0511P | 3000 | SEMTECH | 15+ | SLP1006P2 |
| ZTX651 | 3000 | ZETEX | 16+ | TO-92 |
| ZXTN2038FTA | 3000 | ZETEX | 16+ | SOT-23 |
| HCNW2201 | 3002 | AVAGO | 14+ | SOP-8 |
| VN46AFD | 3008 | VISHAY | 14+ | TO-220 |
| LD7552BPS | 3031 | LEADTREND | 14+ | SOP8 |
| DM9000EP | 3100 | DAVICOM | 16+ | TQFP100 |
| EPM3064ATC44-10N | 3100 | ALTERA | 16+ | QFP-44 |
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