Product Information

A5973D

Name: A5973D
Brand: STMicroelectronics
SKU: A5973D_STMicroelectronics
Availability: OutOfStock
Rating: 5 (11 reviews)

A5973D electronic component of STMicroelectronics

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See Product Specifications
Datasheet

Driver; DC/DC converter; 2A; 1.235÷35V; Channels:1; Uoper:4÷36V

Manufacturer: STMicroelectronics

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges

Price (USD)

N/A

Obsolete

More Buying Options & Price Grid(s)

Availability	Price	Quantity
0 - WHS 1 MOQ : 2000 Multiples : 1 A5973D STMicroelectronics	2000 : USD 1.9102	N/A Obsolete

0 - WHS 2 MOQ : 2000 Multiples : 2000 A5973D STMicroelectronics	2000 : USD 1.7264 4000 : USD 1.7264	N/A Obsolete

0 - WHS 3 MOQ : 2000 Multiples : 2000 A5973D STMicroelectronics	2000 : USD 1.8523	N/A Obsolete

0 - WHS 4 MOQ : 2000 Multiples : 2000 A5973D STMicroelectronics	2000 : USD 2.0172 4000 : USD 2.0172 6000 : USD 1.9791 10000 : USD 1.8649	N/A Obsolete

0 - WHS 5 MOQ : 1 Multiples : 1 A5973D STMicroelectronics	1 : USD 4.2504 5 : USD 3.7903 6 : USD 2.5373 15 : USD 2.3923	N/A Obsolete

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Additional Infomation About Product

A5973D Up to 2 A step-down switching regulator for automotive applications Datasheet - production data Applications Dedicated to automotive applications Description HSOP8 - exposed pad The A5973D is a step-down monolithic power switching regulator with a minimum switch current Features limit of 2.25 A so it is able to deliver up to 2 A DC current to the load depending on the application Qualified following the AEC-Q100 conditions. The output voltage can be set from requirements (see PPAP for more details) 1.235 V to 35 V. The high current level is also 2 A DC output current achieved thanks to an HSOP8 package with exposed frame, that allows to reduce the R th(JA) Operating input voltage from 4 V to 36 V down to approximately 40 C/W. The device uses 3.3 V / ( 2%) reference voltage an internal P-channel DMOS transistor (with Output voltage adjustable from 1.235 V to 35 V a typical R of 250 m) as switching element DS(on) to minimize the size of the external components. Low dropout operation: 100% duty cycle An internal oscillator fixes the switching frequency 250 kHz internally fixed frequency at 250 kHz. Having a minimum input voltage of Voltage feedforward 4 V only it fits the automotive applications requiring the device operation even in cold crank Zero load current operation conditions. A pulse-by-pulse current limit with the Internal current limiting internal frequency modulation offers an effective Inhibit for zero current consumption constant current short-circuit protection. Synchronization Protection against feedback disconnection Thermal shutdown Figure 1. Application schematic November 2015 DocID13957 Rev 9 1/41 This is information on a product in full production. www.st.comContents A5973D Contents 1 Pin settings 4 1.1 Pin connection 4 1.2 Pin description 4 2 Electrical data 5 2.1 Maximum ratings 5 2.2 Thermal data . 5 3 Electrical characteristics . 6 4 Datasheet parameters over the temperature range 8 5 Functional description . 9 5.1 Power supply and voltage reference . 9 5.2 Voltages monitor 10 5.3 Oscillator and synchronization . 10 5.4 Current protection 11 5.5 Error amplifier 12 5.6 PWM comparator and power stage . 13 5.7 Inhibit function . 14 5.8 Thermal shutdown 14 6 Additional features and protection 15 6.1 Feedback disconnection 15 6.2 Output overvoltage protection . 15 6.3 Zero load . 15 7 Closing the loop . 16 7.1 Error amplifier and compensation network 17 7.2 LC filter . 18 7.3 PWM comparator . 19 2/41 DocID13957 Rev 9

HS Compliance

Tariff Desc

8542.31.00 51 No ..Application Specific (Digital) Integrated Circuits (ASIC)

Electronic integrated circuits: Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
Monolithic integrated circuits:

Stmicroelectronics may also be referenced as

C-Max
C-Max (VA)
SG3
ST
ST MICROELECTRONICS
ST2
ST7
STM
STMICRELECTRONICS
STN

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