LB1840

LB1840M SANYO | Alldatasheet

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Features

.Wide operating voltage range (3.0 to 9.0 V). .Low saturation voltage V O(sat)= 0.40 V at IO = 200 mA. .Consumes almost no current in standby mode (0.1 µA or less). .Permits setting of bidirectional constant-voltage regulated value. .Three-input type that is ideal for a two-phase bipolar driver. .Permits switching between constant-voltage regulated output and saturated output. .Built in reference voltage coupled to input. .Compact MFP-14S package. Package Dimensions unit: mm 3111-MFP14S [LB1840M] SANYO : MFP14S Specifications Absolute Maximum Ratings a tT a=2 5° C Parameter Symbol Conditions Ratings Unit Maximum supply voltage V CC max 10.5 V Output current Im max 250 mA Applied input voltage V IN –0.3 to +10 V Allowable power dissipation Pd max With board ( 30 × 30 × 1.5 mm3 ) 800 mW Operating temperature Topr –20 to +80 °C Storage temperature Tstg –40 to +150 °C Allowable Operating Rangesa tT a=2 5° C Parameter Symbol Conditions Ratings Unit Supply voltage V CC 3.0 to 9.0 V IN pin high level voltage V INH 3.0 to 9.0 V IN pin low level voltage V INL –0.3 to +0.7 V Control voltage V C 0.2 to 6.0 V VM pin high level voltage VM H VCC – 0.3 to VCC V VM pin low level voltage VM L –0.3 to VCC –2.5 V Monolithic Digital IC LB1840M SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN O1596HA(II) No.4996-1/5

Electrical Characteristicsat Ta = 25 °C, VCC =6V Parameter Symbol Conditions min typ max Unit Supply current I CC 0 During standby 0.1 10 µA ICC 1 During bidirectional operation (for two channels): during control, load open during saturation, load open 3.5 5.0 mA I CC 2 4.5 6.5 mA Output saturation voltage V sat1 IO = 100 mA (upper side + lower side) 0.30 0.40 V Vsat2 IO = 200 mA (upper side + lower side) 0.40 0.55 V VOsat3 IO = 200 mA (lower side) 0.07 0.10 0.15 V Reference voltage V ref IVref= 1 mA 1.85 2.0 2.15 V Output voltage voltage characteristics ΔVO ΔVCC VO =5V ,V CC = 5.5 to 9 V, IO = 100 mA 20 mV Output voltage current characteristics ΔVO ΔIO VO =5V ,V CC =6V , IO =1 0t o1 0 0m A 50 mV Input current IIN VIN = 5 V 90 150 µA IVM VM = GND 210 300 µA Output voltage V O Between OUT and GND 2.45× VC 2.65× VC V Equivalent Circuit Block Diagram (For one channel) Pin Assignment Thermal Reference voltage Logic predriver Note: Both GND pins must be grounded. Top view LB1840M No.4996 -2/5

ENA IN 1/2 VM OUT 1/3 OUT 2/4 L — — OFF OFF Standby HLHHL Constant-voltage regulated forward operation HLLHL Saturated forward operation HHHLH Constant-voltage regulated reverse operation HHL LH Saturated reverse operation The constant-voltage regulated output VO (= voltage between H side output and GND) is controlled by VO = 2.5× V C . The output is in the saturated state when the VC input range is 0.2 to 6 V and VO ^V CC . Pin Functions Pin No. Symbol Equivalent Circuit Diagram Pin Function 14 V CC Power supply pin for output and controller. GND GND pins for output and controller. Both must be grounded. IN2 IN1 Input pins that determine the excitation of the outputs. IN1 control outputs OUT1 and OUT2; IN2 control outputs OUT3 and OUT4. L: –0.3 to +0.7 V or open H: 3.0 to 9.0 V There are no limitations on the magnitude relationships between the V CC and VIN supply voltages. OUT4 OUT3 OUT1 OUT2 Output pins. Have built-in spark killer diodes.

4 Vref

Reference voltage (= 2.0 V). Continued on next page. LB1840M No.4996 -3/5

Continued from preceding page. Pin No. Symbol Equivalent Circuit Diagram Pin Function 5V C Output Input pins that determine the constant- voltage regulated output level. The constant-voltage regulated output V O (= voltage between H side output and GND) is controlled by V O = 2.5× VC . There are no limitations on the magnitude relationships between the V CC and VC supply voltages.

2 ENA

Standby/drive control input pin. Current drain in standby mode is 10 µA or less. L: –0.3 to + 0.7 V or open H: 3.0 to 9.0 V There are no limitation on the magnitude relationships between V CC and VENA supply voltage. 7V M Control input pin for switching between constant voltage output and saturated output. L: –0.3 to V CC − 2.5 V (saturated output) H: VCC − 0.3 to VCC or open (constant-voltage regulated output) Sample Application Circuit If the outputs oscillate, insert capacitors of 0.001 to 0.1 µF between the outputs. Stepping motor LB1840M No.4996 -4/5

No products described or contained herein are intended for use in surgical implants, life-support systems, aerospace equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment and the like, the failure of which may directly or indirectly cause injury, death or property loss. Anyone purchasing any products described or contained herein for an above-mentioned use shall: 1 Accept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors and all their officers and employees, jointly and severally, against any and all claims and litigation and all damages, cost and expenses associated with such use: 2 Not impose any responsibility for any fault or negligence which may be cited in any such claim or litigation on SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors or any of their officers and employees jointly or severally. Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of October, 1996. Specifications and information herein are subject to change without notice. Specified board (30× 30 × 1.5 mm3 glass epoxy) Ambient temperature, Ta — °C Allowable power dissipation, Pd max — mW Output current, IO —m A Output saturation voltage, VO (sat) — V Input voltage, VIN —V Input current, IIN —µ A Supply voltage, VCC —V Output voltage, VO —V No load No load LB1840M No.4996 -5/5