Sanyo LB1249 Specifications

Ordering number:ENN1482C

Monolithic Digital IC

LB1249

Active-Low Input, 8-Unit, High-Current,

Low-Saturation Driver

Applications

•4-phase stepping motor driver of 2 channels.

•Especially suited for X-Y axis plotter printer driver.

•High current, low saturation voltage general-purpose 8- unit driver (relay, LED, lamp solenoid, etc.).

Features

•Low active input type.

•On-chip input protecting diodes.

•High current capacity (400mA) and low saturation voltage (0.5V max).

•On-chip spark killer diodes.

•Wide duty due to Pd of 3W max.

Specifications

Package Dimensions

unit:mm
3037A-DIP20H
				[LB1249]
	20			11
8.4	R1.7			12.7	11.2
					0.4
	1		20.0	10
			27.0
				4.0
				4.0
2.07		2.54	0.6	1.3
				SANYO : DIP20H

Absolute Maximum Ratings at Ta = 25˚C

Parameter	Symbol	Conditions	Ratings	Unit
Maximum supply voltage	VCC1,2		–0.3 to +7.0	V
Output supply voltage	VOUT		–0.3 to +10.0	V
Input supply voltage	VIN	GND≤VIN	VDD–7.0 to VDD+15	V
Output current	IOUT	Per unit	400	mA
Spark killer diode forward current	IFSM	Pulse width≤35ms, duty 5%	400	mA
GND pin current	IGND	Pulse width≤35ms	3.4	A
Instantaneous current drain	ICCP	Pulse width≤35ms, duty 5%	3.2	A
Allowable power dissipation	Pd max		3.0	W
Operating temperature	Topr		–20 to +75	˚C
Storage temperature	Tstg		–40 to +125	˚C

Allowable Operating Ranges at Ta = 25˚C

Parameter	Symbol	Conditions	Ratings	Unit
Supply voltage	VCC1		2.3 to 6.0	V
	VDD		2.3 to 6.0	V
Input H-level voltage	VIH	GND≤VIN, IOUT=200mA	VDD–6.0 to VDD–2.3	V
Input L-level voltage	VIL	IOUT≤100µA	VDD–0.7 to VDD+15	V

Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft’s control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO representative nearest you before using any SANYO products described or contained herein in such applications.

SANYO assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges,or other parameters) listed in products specifications of any and all SANYO products described or contained herein.

SANYO Electric Co.,Ltd. Semiconductor Company

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN

13101TN (KT)/O3095YK/7067KI/9144KI, TS No.1482–1/3

LB1249

Electrical Characteristics at Ta = 25˚C, VDD=VCC1=VCC

Parameter	Symbol	Conditions		Ratings		Unit
			min	typ	max
	VOUT1	VCC=2.3V, VIN=VCC–2.3V, IOUT=200mA			0.4	V
Output voltage	VOUT2	VCC=3.5V, VIN=VCC–3.0V, IOUT=200mA			0.25	V
	VOUT3	VCC=6.0V, VIN=VCC–5.5V, IOUT=400mA			0.5	V
Output sustain voltage	VO(SUS)	IOUT=400mA, t ≤10µs	10			V
Input current	IIN	VIN=VCC–6.0V, IOUT=0	–1.0			mA
Supply leakage current	ICC(OFF)	VCC=6.0V, VIN=VCC			20	µA
Output leakage current	IOFF	VOUT=VCC=6.0V, VIN=VCC=–0.7V			100	µA
Spark killer diode forward voltage	VF(S)	IF(S)=400mA			3.0	V
Spark killer diode reverse voltage	IR(S)	VOUT=0V, VCC2=6.0V			30	µA

Pin Assignment

Equivalent Circuit

No.1482–2/3