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NTE1749 Integrated Circuit Push-Pull Four Channel Driver
Description: The NTE1749 is a quad push-pull driver capable of delivering output currents to 1A per channel. Each channel is controlled by a TTL-compatible 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. Features: D Output Current 1A Per Channel D Peak Output Current 2A Per Channel (Non Repetitive) D Inhibit Facility D High Noise Immunity D Separate Logic Supply D Overtemperature Protection Absolute Maximum Ratings: Supply Voltage, VS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36V Logic Supply Voltage, VSS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36V Input Voltage, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V Inhibit Voltage, Vinh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V Peak Output Current (Non-Repetitive, t = 5ms), IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2A Total Power Dissipation (Tground-pins = +80C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5W Operating Junction Temperature Range, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40 to +150C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40 to +150C Maximum Thermal Resistance, Junction-to-Case RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14C/W Thermal Resistance, Junction-to-Ambient, RthJA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80C/W
Electrical Characteristics: (Per Channel, VS = 24V, VSS = 5V, TA = +25C, unless otherwise specified)
Parameter Supply Voltage Logic Supply Voltage Total Quiescent Supply Current Symbol VS VSS IS Vi = L, IO = 0, Vinh = H Vi = H, IO = 0, Vinh = H Vinh = L Total Quiescent Logic Supply Current IS Vi = L, IO = 0, Vinh = H Vi = H, IO = 0, Vinh = H Vinh = L Input Low Voltage Input High Voltage Low Voltage Input Current High Voltage Input Current Inhibit Low Voltage Inhibit High Voltage Low Voltage Inhibit Current High Voltage Inhibit Current Source Output Saturation Voltage Sink Output Saturation Voltage Rise Time Fall Time Turn-On Delay Time Turn-Off Delay Time VIL VIH IIL IIH VinhL VinhH IinhL IIHhH VSS 7V Vss > 7V VinhL = 1.5V 2.3V VinhH VSS -0.6V VSS 7V VSS > 7V VIL = 1.5V 2.3V VIH VSS - 0.6V Test Conditions Min VSS 4.5 - - - - - - -0.3 2.3 2.3 - - -0.3 2.3 2.3 - - - - - - - - Typ - - 2 16 - 44 16 16 - - - - 30 - - - -30 - 1.4 1.2 250 250 750 200 Max 36 36 6 24 4 60 24 24 1.5 Vss 7 -10 100 1.5 Vss 7 100 10 1.8 1.8 - - - - Unit V V mA mA mA mA mA mA V V V A A V V V A A V V ns ns ns ns
VCEsatH IO = -1A VCEsat L IO = 1A tr tf ton toff 0.1 to 0.9 Vo 0.9 to 0.1 Vo 0.5 Vi to 0.5 Vo 0.5 Vi to 0.5 Vo
Truth Table
Pin Connection Diagram
Vo H L X (Note 1) X (Note 1) Vinh (Note 2) H H L L
Vi (Each Channel) H L H L
CE 1 1 Input 1 2 Output 1 3 GND 4 GND 5 Output 2 6 Input 2 7 VS 8
16 VSS 15 Input 4 14 Output 4 13 GND 12 GND 11 Output 3 10 Input 3 9 CE 2
Note 1. High Output Impedance Note 2. Relative to the Considerate Channel
16
9
.260 (6.6) Max
1
8
.785 (19.9) Max .200 (5.08) Max .245 (6.22) Min
.300 (7.62)
.100 (2.54) .700 (17.7)

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