LB1935T SANYO | Alldatasheet

Document overview

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Technical content

Features

  • Low saturation voltage, VO(sat) = 0.3V typ at IO = 150mA
  • Built-in shoot-through current protection circuit
  • No standby current consumption (or zero)
  • Built-in thermal shutdown circuit
  • MSOP10 small-sized package (3.0mm×4.9mm×1.1mm typ) [LB1935T]
  • ECSP2828-10 ultraminiature leadless package (2.8mm×2.8mm×0.8mm typ) [LB1935CL] Absolute Maximum Ratings at Ta = 25°C Parameter Symbol Conditions Ratings Unit Maximum Power Source Voltage VCC max -0.3 to +8.0 V Applied Output Voltage VOUT max OUT1, OUT2, OUT3, OUT4 pin VCC+VSF V Applied Input Voltage VIN max ENA, IN1, IN2 pin -0.3 to +8.0 V GND Pin Outflow Current I GND Per channel 400 mA Pd max With substrate* [LB1935T] 400Allowable Power Consumption Pd max With substrate* [LB1935CL] 450 mW Operating Temperature Topr -20 to +75 °C Storage Temperature Tstg -40 to +150 °C * Specified substrate : 20.0mm×10.0mm×0.8mm paper phenol Allowable Operating Range at Ta = 25°C Parameter Symbol Conditions Ratings Unit Source Voltage V CC 2.2 to 7.5 V Input High Level Voltage V IH ENA, IN1, IN2 pin 1.8 to 7.5 V Input Low Level Voltage V IL ENA, IN1, IN2 pin -0.3 to +0.7 V Monolithic Digital IC Stepping Motor Driver IC

LB1935T, LB1935CL No.7932-2/6 Electric Characteristics at Ta = 25°C, VCC = 3.3V Ratings Parameter Symbol Conditions min typ max Unit ICC0 ENA = 0V, V IN = 3V or 0V 0.1 1 µA Power Source Current ICC1 ENA = 3V, V IN = 3V or 0V 13 19 mA VOUT1 ENA = 3V, V IN = 3V or 0V, IOUT = 100mA 0.2 0.3 V Output Saturation Voltage VOUT2* ENA = 3V, V IN = 3V or 0V, IOUT = 200mA [LB1935T only] 0.4 0.6 V IIN V IN = 3V 40 60 µA Input Current IENA VENA = 3V 40 60 µA Spark killer diode Reverse Current IS(leak) 1 µA Forward Voltage VSF* I OUT = 200mA [LB1935T only] 1.7 V Note : *For LB1935CL, it is a design assured value. Package Dimensions unit : mm 3297 [LB1935T] Package Dimensions unit : mm 3301 [LB1935CL]

LB1935T, LB1935CL No.7932-3/6 Pin Assignments LB1935T

2 IN2

3 ENA

4 IN1

5 (NC) 6 GND

7 OUT2

8 OUT1

10 OUT4

9 OUT3

1 VCC

5(NC) 6 GND

LB1935T, LB1935CL No.7932-4/6 Block Diagram Truth Table Input Output ENA IN1 IN2 OUT1 OUT2 OUT3 OUT4 Remarks L - - OFF OFF OFF OFF Stdby L L H L H L L H H L L H H H L H L H H H L L H H L 2-phase excitation

LB1935T, LB1935CL No.7932-5/6 Timing Chart Timing chart below shows the 2 phase excitation stepping motor.

LB1935T, LB1935CL No.7932-6/6 PS