NJM3545 Datasheet, PDF (1/9 Pages) New Japan Radio – UNIVERSAL SINK DRIVER

UNIVERSAL SINK DRIVER
NJM3545
s GENERAL DESCRIPTION
s PACKAGE OUTLINE
NJM3545 is a bipolar universal high-current highly protected
low side driver with transparent input and 2000mA continuous
-current sink capability. A high-level input activates the output.
The driver is equipped with extensive electrical protection;
such as over current protection and thermal protection,
which makes the device virtually indestructible.
Furthermore it can detect open circuit and short circuit to ground.
A special feature is the Error indicating output function pin
which signals to the host system if the protection or the load
check functions is activated.
The NJM3545 and NJM3548 are complementary drivers and
have similar data.
NJM3545TA2
s FEATURES
• 2000mA continuous-output current
• Short circuit to V_CC protection
• Error signal to host system
• Open circuit detection
• Short circuit to ground detection
• Thermal protection
• Built-in protection diodes
• Package TO-220 (5-pin)
s BLOCK DIAGRAM
NJM3545
To logic
Input
Supply
Voltage reference
Output
Error
QS
R
Thermal
protection
Short-circuit to
Vcc protection
Short-circuit to
GND detection
Open circuit
detection
GND
Figure 1. Block Diagram