SP6652

Synchronous Step-Down Converter
Data Sheets OBS (Obsolete)

Overview

Information Synchronous Step-Down Converter
# of Outputs 1
IOUT (A) 1
VIN MIN (V) 2.7
VIN MAX (V) 5.5
IQ (µA) 1000
VOUT MIN (V) 0.9
VOUT MAX (V) 5
Frequency (kHz) 1400
Accuracy (%) <4.0
Efficiency (%) 97
Package MSOP-10
X x Y Package Dimension (mm) -
Control Mode Current Mode PWM
Special Features Light Load PFM, Enable, Over Current Protection, Power Sequencing, Synchronous Rectification, Thermal Shutdown, UVLO, Clock Sync, Soft Start Adjustable, 100% Duty Cycle
Operating Temperature (°C) -40 to 85
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The SP6652 is a high efficiency, synchronous buck regulator ideal for portable applications using one Li-ion cell, with up to 1A of output current. The 1.4MHz switching frequency and PWM control loop are optimized for a small value inductor and ceramic output capacitor for space constrained portable designs. The input voltage range of 2.7V to 5.5V, excellent transient response, output accuracy and ability to transition into 100% duty cycle operation extending the battery life makes the SP6652 a superior choice for a wide range of portable power applications. A logic level shutdown control, external clock synchronization and forced-PWM or automatic control inputs are provided. Other features include soft-start, overcurrent protection and 140°C over temperature shutdown.

  • 1A output current
  • 1.4MHz constant frequency operation
  • 97% efficiency possible
  • 0.5µA (maximum) shutdown current
  • Adjustable output down to 0.75V
  • No external FETs or Schottky diode required
  • Uses small value inductors and ceramic output capacitors
  • Low dropout operation: 100% duty cycle
  • Soft-start and thermal shutdown protection
  • Easy frequency synchonization
  • Small (3mm x 3mm) 10-pin DFN or MSOP package

Documentation & Design Tools

Type Title Version Date File Size
Data Sheets SP6652 1A, High Efficiency, Fixed 1.4 MHz Current Mode PWM Buck Regulator J October 2007 941.4 KB
Application Notes AN200, Downloading and Installing CAD Symbols and Footprints with Ultra Librarian April 2019 1.2 MB
Application Notes ANI-12, RS-485 Isolated Interface Rev B September 2017 89.5 KB
Application Notes ANP-22, Filter Design in Continuous Conduction Mode B January 2007 270.6 KB
Application Notes ANP-09, Using SP6652 For a Positive to Negative Buck Boost Converter B November 2006 184.7 KB
User Guides & Manuals SP6652LED Evaluation Board Manual A May 2006 505.9 KB
User Guides & Manuals SP6652EB Evaluation Board Manual 1.0.0 March 2006 87.2 KB
Design Solutions DS-42, Using Sipex High Efficiency PFM Synchronous Buck Regulator to Convert 3.3V or 5V Input to 1.3V/1A Output With Small PCB Area and Only 5mV Output Ripple Voltage November 2007 124.3 KB
Design Solutions DS-54, 1.4MHz PWM Synchronous Buck Regulator Provides 1A Output At 1.2V With Less Than 10mV Output Ripple Using A Tiny Ripple Reduction Capacitor November 2007 235.8 KB
Product Brochures Power Management Brochure October 2020 2.4 MB
Symbols & Footprints SP6652EU-L/TR CAD File (.bxl) September 2018 85.1 KB
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Parts & Purchasing

Part Number Pkg Code Min Temp Max Temp Status Suggested Replacement PDN
SP6652ER DFN10 3x3 OPT1 -40 85 OBS
SP6652ER-L DFN10 3x3 OPT1 -40 85 OBS SP6652ER-L/TR
SP6652ER-L/TR DFN10 3x3 OPT1 -40 85 OBS SP6652EU-L/TR
SP6652ER/TR DFN10 3x3 OPT1 -40 85 OBS
SP6652EU MSOP10 -40 85 OBS
SP6652EU-ES MSOP10 -40 85 OBS
SP6652EU-L MSOP10 -40 85 OBS SP6652EU-L/TR
SP6652EU-L/TR MSOP10 -40 85 OBS
SP6652EU/TR MSOP10 0 70 OBS
Show obsolete parts
Part Status Legend
Active - the part is released for sale, standard product.
EOL (End of Life) - the part is no longer being manufactured, there may or may not be inventory still in stock.
CF (Contact Factory) - the part is still active but customers should check with the factory for availability. Longer lead-times may apply.
PRE (Pre-introduction) - the part has not been introduced or the part number is an early version available for sample only.
OBS (Obsolete) - the part is no longer being manufactured and may not be ordered.
NRND (Not Recommended for New Designs) - the part is not recommended for new designs.

Packaging

Pkg Code Details Quantities Dimensions PDF
MSOP10
  • JEDEC Reference: MO-187
  • MSL Pb-Free: L1 @ 260ºC
  • MSL SnPb Eutectic: n/a
  • ThetaJA: 214.0ºC/W
  • Bulk Pack Style: Tube
  • Quantity per Bulk Pack:
  • Quantity per Reel: 2500
  • Quantity per Tube: 50
  • Quantity per Tray: n/a
  • Reel Size (Dia. x Width x Pitch): 330 x 12 x 8
  • Tape & Reel Unit Orientation: Pin 1 at sprocket hole.
  • Dimensions: mm
  • Length: 3
  • Width: 3
  • Thickness: 1.1
  • Lead Pitch: 0.50
DFN10 3x3 OPT1
  • JEDEC Reference:
  • MSL Pb-Free: L1 @ 260ºC
  • MSL SnPb Eutectic:
  • ThetaJA: 40.5C/W
  • Bulk Pack Style: n/a
  • Quantity per Bulk Pack: n/a
  • Quantity per Reel: 3000
  • Quantity per Tube: n/a
  • Quantity per Tray: n/a
  • Reel Size (Dia. x Width x Pitch): 330 x 12 x 8
  • Tape & Reel Unit Orientation: Quadrant 1
  • Dimensions: mm
  • Length: 3
  • Width: 3
  • Thickness: 1.00
  • Lead Pitch: 0.5

Notifications

Distribution Date Description File
12/12/2018 Product Discontinuation Notice
07/11/2017 Product Discontinuation Notification
01/27/2017 Qualification of alternate assembly subcon, ANST, China.
07/26/2016 Product discontinuation notification. Discontinued.
10/04/2013 Addition of an alternate qualified assembly site, UTAC Thailand, for assembly using copper or gold wire bonding. Material change and alternate assembly site.
08/29/2011 Material change: Mold compound and die attach material are changed and the listed parts will be fully Green (halogen-free). Migrating to green environment and material standardization.
02/28/2007 Product Obsolescence Letter and Discontinuation Notification. Discontinued.

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