Ordering number : EN1188F
Monolithic Digital IC
LB1231 Series
High-Voltage, Large Current
Darlington Transistor Array
Overview
The circuit configuration of this IC is of 7-channel Darlington transistor array consisting of NPN transistors. It is especially
suited for use in hammer drivers and lamp, relay drivers. It contains spark killer diodes against L load.
Features
• High-voltage (VCEO ≥ 50V), large-current (IC max = 500mA) drive
LB1231
• Drivable by TTL, MOS output.
LB1232
• Contains base current limiting resistors, Zener diodes for level shift.
• Direct drivable by 24V PMOS.
LB1233
• Contains base current limiting resistors.
• Direct drivable by TTL, CMOS output.
LB1234
• Contains base current limiting resistors.
• Direct drivable by CMOS, PMOS output.
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
Output supply voltage
Output current
IOUT
Per unit
Input supply voltage
VIN
LB1232/33/34
Input current
IIN
GND pin current
IGND
Allowable power dissipation
Pd max
Operating temperature
Storage temperature
Ratings
VOUT
Unit
50
V
500
mA
30
V
LB1231 only
25
mA
7ch simultaneously on, f = 10Hz, duty = 23%
2.8
A
1.5
W
Topr
-20 to +75
°C
Tstg
-40 to +150
°C
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"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer' s products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer' s products or
equipment.
O0108 MS PC/O1995YK/7067KI/4055KI/0152KI, TS No.1188-1/4
