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ULN2003LV

更新时间： 2024-11-18 11:44:23
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德州仪器 - TI 驱动器
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19页 1261K
描述
7-Channel Relay and Inductive Load Sink Driver

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ULN2003LV 数据手册

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ULN2003LV  
www.ti.com  
SLRS059A –APRIL 2012–REVISED APRIL 2012  
7-Channel Relay and Inductive Load Sink Driver  
Check for Samples: ULN2003LV  
1
FEATURES  
DESCRIPTION  
•
•
•
7-Channel High Current Sink Drivers  
The ULN2003LV is a low-voltage and low power  
upgrade of TI’s popular ULN2003 family of 7-channel  
Darlington transistor array. The ULN2003LV sink  
driver features 7 low output impedance drivers to  
support low voltage relay and inductive coil  
applications. The low impedance drivers minimize on-  
chip power dissipation; up to 5 times lower for typical  
3V relays. The ULN2003LV driver is pin-to-pin  
compatible with ULN2003 family of devices in similar  
packages.  
Supports up to 8V Ouput Pull-up Voltage  
Supports a Wide Range of 3V-to-5V Relay and  
Inductive Coils  
•
Low Output VOL of 0.4V (Typical) with  
–
100mA (Typical) Current Sink per Channel  
at 3.3V Logic Input(1)  
–
140mA (Typical) Current Sink per Channel  
at 5.0V Logic Input(1)  
•
•
•
•
Compatible to 3.3V and 5.0V Micro-controllers  
and Logic Interface  
The ULN2003LV supports 3.3V to 5V CMOS logic  
input interface thus making it compatible to a wide  
range of micro-controllers and other logic interfaces.  
The ULN2003LV features an improved input interface  
that minimizes the input DC current drawn from the  
external drivers. The ULN2003LV features an input  
RC snubber that greatly improves its performance in  
noisy operating conditions. The ULN2003LV channel  
inputs feature an internal input pull-down resistor thus  
allowing input logic to be tri-stated. The ULN2003LV  
may also support other logic input levels, e.g. TTL  
and 1.8V, refer to the Application Information section  
for details.  
Internal Free-wheeling Diodes for Inductive  
Kick-back Protection  
Input Pull-down Resistors Allows3-stating the  
Input Driver  
Input RC-Snubber to Eliminate Spurious  
Operation in Noisy Environment  
•
•
•
Low Input and Output Leakage Currents  
Easy to use Parallel Interface  
ESD Protection Exceeds JESD 22  
–
2kV HBM, 500V CDM  
As shown in Table 1, each output of the ULN2003LV  
features an internal free-wheeling diode connected in  
a common-cathode configuration at the COM pin.  
•
(1)  
Available in 16-pin SOIC and TSSOP Packages  
Total current sink may be limited by the internal junction  
temperature, absolute maximum current levels etc - refer to  
the Electrical Specifications section for details.  
The ULN2003LV provides flexibility of increasing  
current sink capability through combining several  
adjacent channels in parallel. Under typical conditions  
the ULN2003LV can support up to 1.0A of load  
current when all 7-channels are connected in parallel.  
APPLICATIONS  
•
Relay and Inductive Load Driver in Various  
Telecom, Consumer, and Industrial  
Applications  
The ULN2003LV can also be used in a variety of  
other applications requiring a sink drivers. The  
ULN2003LV is available in 16-pin SOIC and 16-pin  
TSSOP packages.  
•
•
Lamp and LED Displays  
Logic Level Shifter  
Table 1. ULN2003LV Function Table(1)  
Functional Diagram  
INPUT (IN1 – IN7)  
OUTPUT (OUT1–OUT7)  
OUT1  
16  
1
IN1  
L
H
Z
H+(2)  
2
3
4
5
6
15 OUT2  
IN2  
IN3  
L
H+(2)  
14  
OUT3  
OUT4  
OUT5  
13  
12  
11  
10  
IN4  
(1) L = Low-level (GND); H= High-level; Z= High-impedance;  
(2) H+ = Pull-up-level  
IN5  
IN6  
OUT6  
OUT7  
COM  
7
8
IN7  
9
GND  
ULN2003LV TSSOP/SOIC  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2012, Texas Instruments Incorporated  
 
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ULN2003LV 替代型号

型号 品牌 替代类型 描述 数据表
ULN2004A TI

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 HIGH-VOLTAGE HIGH-CURRENT DARLINGTON TRANSISTOR ARRAY
ULN2003AI TI

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 HIGH-VOLTAGE, HIGH-CURRENT DARLINGTON TRANSISTOR ARRAY
ULN2003A TI

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 HIGH-VOLTAGE HIGH-CURRENT DARLINGTON TRANSISTOR ARRAY

与ULN2003LV相关器件

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ULN2003LVDR TI

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 		7-Channel Relay and Inductive Load Sink Driver
ULN2003LVPWR TI

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 		7-Channel Relay and Inductive Load Sink Driver
ULN2003M UTC

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 		7ch darlington sink driver
ULN2003N PHILIPS

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 		Peripheral Driver, 7 Driver, BIPolar, PDIP16
ULN2003N-B PHILIPS

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 		Peripheral Driver, 7 Driver, BIPolar, PDIP16
ULN2003Q UTC

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 		7ch darlington sink driver
ULN2003R UTC

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 		HIGH VOLTAGE HIGH CURRENT DARLINGTON TRANSISTOR ARRAY
ULN-2003R VISHAY

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 		Peripheral Driver, 7 Driver, BIPolar, CDIP16
ULN2003RG-S16-R UTC

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 		HIGH VOLTAGE HIGH CURRENT DARLINGTON TRANSISTOR ARRAY
ULN2003TTR STMICROELECTRONICS

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 		7个达林顿阵列

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