Product Information

PM6680A

PM6680A electronic component of STMicroelectronics

Datasheet
Switching Controllers Dual sync controller
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)

2940: USD 1.4292 ea
Line Total: USD 4201.85

0 - Global Stock
MOQ: 2940  Multiples: 2940
Pack Size: 2940

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Ships to you between Tue. 28 May to Thu. 30 May

MOQ : 2940
Multiples : 2940

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PM6680A
STMicroelectronics

2940 : USD 1.4292
5880 : USD 1.4188

Read More Specifications

     
Manufacturer
Product Category
RoHS - XON
Icon ROHS
Topology
Number of Outputs
Switching Frequency
Input Voltage
Output Voltage
Output Current
Minimum Operating Temperature
Maximum Operating Temperature
Mounting Style
Package / Case
Packaging
Series
Type
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Cnhts
Hts Code
Mxhts
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Additional Infomation About Product

PM6680A Dual synchronous step-down controller with adjustable output voltages plus LDO Features 6 V to 36 V input voltage range Adjustable output voltages 5V LDO delivers 100 mA peak current 1.237 V 1 % reference voltage available externally VFQFPN-32 5X5 Current sensing using low side MOSFETs R DS(on) Valley current sensing Description Soft-start internally fixed at 2ms PM6680A is a dual step-down controller Soft output discharge specifically designed to provide extremely high Latched OVP and UVP efficiency conversion, with loss less current Selectable pulse skipping at light loads sensing technique. The constant on-time architecture assures fast load transient response Selectable minimum frequency (33 kHz) in and the embedded voltage feed-forward provides pulse skip mode nearly constant switching frequency operation. An 5mW maximum quiescent power embedded integrator control loop compensates Independent power good signals the DC voltage error due to the output ripple. Pulse skipping technique increases efficiency at Output voltage ripple compensation very light load. Moreover a minimum switching Thermal shutdown frequency of 33 kHz is selectable to avoid audio noise issues. The PM6680A provides a selectable Applications switching frequency, allowing three different values of switching frequencies for the two Embedded computer system switching sections. The output voltages OUT1 FPGA system power and OUT2 can be adjusted from 0.9 V to 5 V and from 0.9 V to 3.3 V respectively. Industrial applications on 24 V High performance and high density DC/DC modules Table 1. Device summary Order codes Package Packaging PM6680A Tube VFQFPN-32 5X5 (exposed pad) PM6680ATR Tape and reel December 2007 Rev 2 1/48 www.st.com 48Contents PM6680A Contents 1 Block diagram 3 2 Pin settings 4 2.1 Connections 4 2.2 Functions 5 3 Electrical data 8 3.1 Maximum rating . 8 3.2 Thermal data . 8 4 Electrical characteristics . 9 5 Typical operating characteristics . 12 6 Application schematic 17 7 Device description . 18 7.1 Constant On time PWM control 18 7.2 Constant On time architecture . 20 7.3 Output ripple compensation and loop stability . 21 7.4 Pulse skip mode 22 7.5 No-audible skip mode 23 7.6 Current limit . 24 7.7 Soft start and soft end . 25 7.8 Gate drivers . 26 7.9 Reference voltage and bandgap . 27 7.10 Internal linear regulator 27 7.11 Power up sequencing and operative modes . 28 8 Monitoring and protections 29 2/48

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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