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A7987 on a board, in 3D

A7987

STMicroelectronics

-40℃~+150℃ 1 250kHz~1.5MHz 3A 4.5V~61V Adjustable Buck Buck Built-in Yes HTSSOP-16-EP DC-DC Converters ROHS

Extended
DatasheetJLCPCBLCSCst/A7987
Category
DC DC Converters
Package
HTSSOP-16-EP
Pins
16

Overview

The A7987 is a DC DC Converter made by STMicroelectronics in a HTSSOP-16-EP package with 17 pins. -40℃~+150℃ 1 250kHz~1.5MHz 3A 4.5V~61V Adjustable Buck Buck Built-in Yes HTSSOP-16-EP DC-DC Converters ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:L7987LTR, from EasyEDA) and its footprint (EasyEDA_Cloud:HTSSOP-16_L5.0-W4.4-P0.65-LS6.4-BL-EP, from EasyEDA), ready for a KiCad board. 32 are in stock at JLCPCB (part C2658021).

Symbol

VBIAS1VIN2VIN3VCC4EN5SS6SYNCH7COMP8FB9FSW10ILIM11PGOOD12LX13LX14BOOT15GND16EP17
EasyEDA_Cloud:L7987LTRFrom EasyEDA

Footprint

123456789101112131415161717171717
EasyEDA_Cloud:HTSSOP-16_L5.0-W4.4-P0.65-LS6.4-BL-EPFrom EasyEDA

Parameters

13
Features
Operating status indication
Frequency - Switching
250kHz~1.5MHz
Function
Step-down type
Number of Outputs
1
Operating Temperature
-40℃~+150℃
Output Current
3A
Output Type
Adjustable
Output Voltage
800mV~61V
Quiescent Current
1mA
Switch tube (built-in/external)
Built-in
Synchronous Rectifier
Yes
Topology
Buck
Voltage - Supply
4.5V~61V

Order codes

1

Pinout

17
The pins of the A7987
PinNameType
1VBIASUnspecified
2VINUnspecified
3VINUnspecified
4VCCUnspecified
5ENUnspecified
6SSUnspecified
7SYNCHUnspecified
8COMPUnspecified
9FBUnspecified
10FSWUnspecified
11ILIMUnspecified
12PGOODUnspecified
13LXUnspecified
14LXUnspecified
15BOOTUnspecified
16GNDUnspecified
17EPUnspecified

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Questions

Is there a KiCad symbol and footprint for the A7987?

Yes. The symbol is EasyEDA_Cloud:L7987LTR and the footprint EasyEDA_Cloud:HTSSOP-16_L5.0-W4.4-P0.65-LS6.4-BL-EP, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the A7987?

HTSSOP-16-EP, with 17 pins. Its footprint is drawn on this page.

Where is the A7987 datasheet?

STMicroelectronics publishes it: the Datasheet link on this page opens it.

Where can I order the A7987?

JLCPCB lists it as part C2658021, with 32 in stock; the sellers' links on this page open their listings.

What can replace the A7987?

Parts like it in the library: the TPS54394PWP by Texas Instruments, the LM53603AMPWP by Texas Instruments, the TPS55386PWP by Texas Instruments and the TPS54352PWP by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8