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reference designZSPM4012 | Demoboard ZSSC1750

Renesas ZSPM4012 | Demoboard ZSSC1750

High Efficiency 2A Synchronous Buck Converter

Overview

TopologyBuck Converter
Input voltage6-24 V
Output 15 V / 2 A
IC revision1.1

Description

The ZSPM4012 is a DC/DC synchronous switching regulator with fully integrated power switches, internal compensation, and full fault protection.The 1MHz switching frequency enables using small filter components, resulting in reduced board space and reduced bill-of-materials costs.The ZSPM4012 utilizes current mode feedback in normal regulation pulse-width modulation (PWM) mode. When the regulator is disabled (EN pin is low), the ZSPM4012 draws less than 10μA quiescentcurrent. The ZSPM4012 integrates a wide range of protection circuitry, including input supply undervoltage lockout, output voltage soft start, current limit, VOUT over-voltage, and thermal shutdown. The ZSPM4012 includes supervisory reporting through the PG (Power Good) open drain output to interface other components in the system.

Features

  • Output voltage options depending on ordercode
  • Fixed output voltages: 1.5V, 1.8V, 2.5V, 3.3V, or 5V with +/- 2% output tolerance
  • Adjustable output voltage range: 0.9V to 5V with +/- 1.5% reference
  • Wide input voltage range:6V to 24V
  • 1MHz +/- 10% fixed switching frequency
  • 2A continuous output current
  • High efficiency – up to 95%
  • Current mode PWM control with pulsefrequency modulation (PFM) mode for improved light load efficiency
  • Voltage supervisor for VOUT reported at the PG pin
  • Input supply under voltage lockout
  • Soft start for controlled startup with no overshoot
  • Full protection for over-current, overtemperature, and VOUT over-voltage
  • Less than 10μA in Disabled Mode
  • Low external component count

Typical applications

  • Printers
  • Portable products, including
  • Set-top boxes
  • Wireless access points, cable
  • DVD, LCD, LED supplies

More information

Parts approved by Renesas

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
λDom typ.(nm)
Emitting Color
λPeak typ.(nm)
IV typ.(mcd)
VF typ.(V)
Chip Technology
2θ50% typ.(°)
C
Tol. C
VR(V (DC))
Size
Operating Temperature
Q
DF(%)
RISO
Ceramic Type
L(mm)
W(mm)
H(mm)
Fl(mm)
Packaging
L(µH)
IR(A)
ISAT(A)
fres(MHz)
Mount
Pins
Version
Type
SamplesAvailability & Sample
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150080VS75000
SPECWL-SMCW SMT Mono-color Chip LED Waterclear, 570 nm, Bright Green
Simu­lation
Availability
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Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear
Dominant Wavelength [typ.]570 nm
Emitting ColorBright Green 
Peak Wavelength [typ.]572 nm
Luminous Intensity [typ.]40 mcd
Forward Voltage [typ.]2 V
Chip TechnologyAlInGaP 
Viewing Angle Phi 0° [typ.]140 °
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Size0805 
Operating Temperature -40 °C up to +85 °C
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Length2 mm
Width1.25 mm
Height0.7 mm
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PackagingTape and Reel 
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MountSMT 
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744028004
SPECWE-TPC SMT Tiny Power Inductor, –, –
Simu­lation
Availability
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Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-TPC SMT Tiny Power Inductor
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Size2811 
Operating Temperature -40 °C up to +125 °C
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Length2.78 mm
Width2.8 mm
Height1.1 mm
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Inductance4.7 µH
Rated Current0.85 A
Saturation Current0.7 A
Self Resonant Frequency70 MHz
MountSMT 
Pins2 
VersionSMT 
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885012006061
SPECWCAP-CSGP MLCCs 50 V(DC), –, –
Simu­lation
Availability
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Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 50 V(DC)
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–
–
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Capacitance470 pF
Capacitance±5% 
Rated Voltage50 V (DC)
Size0603 
Operating Temperature -55 °C up to +125 °C
Q-Factor1000 
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Insulation Resistance10 GΩ
Ceramic TypeNP0 Class I 
Length1.6 mm
Width0.8 mm
Height0.8 mm
Pad Dimension0.4 mm
Packaging7" Tape & Reel 
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885012206027
SPECWCAP-CSGP MLCCs 10 V(DC), –, –
Simu­lation
Availability
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Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 10 V(DC)
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Capacitance2.2 µF
Capacitance±10% 
Rated Voltage10 V (DC)
Size0603 
Operating Temperature -55 °C up to +125 °C
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Dissipation Factor10 %
Insulation Resistance0.05 GΩ
Ceramic TypeX7R Class II 
Length1.6 mm
Width0.8 mm
Height0.8 mm
Pad Dimension0.4 mm
Packaging7" Tape & Reel 
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885012206067
SPECWCAP-CSGP MLCCs 25 V(DC), –, –
Simu­lation
Availability
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Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 25 V(DC)
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Capacitance22 nF
Capacitance±10% 
Rated Voltage25 V (DC)
Size0603 
Operating Temperature -55 °C up to +125 °C
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Dissipation Factor3.5 %
Insulation Resistance10 GΩ
Ceramic TypeX7R Class II 
Length1.6 mm
Width0.8 mm
Height0.8 mm
Pad Dimension0.4 mm
Packaging7" Tape & Reel 
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885012206089
SPECWCAP-CSGP MLCCs 50 V(DC), –, –
Simu­lation
Availability
–
Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 50 V(DC)
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–
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Capacitance10 nF
Capacitance±10% 
Rated Voltage50 V (DC)
Size0603 
Operating Temperature -55 °C up to +125 °C
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Dissipation Factor2.5 %
Insulation Resistance10 GΩ
Ceramic TypeX7R Class II 
Length1.6 mm
Width0.8 mm
Height0.8 mm
Pad Dimension0.4 mm
Packaging7" Tape & Reel 
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885012206095
SPECWCAP-CSGP MLCCs 50 V(DC), –, –
Simu­lation
Availability
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Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 50 V(DC)
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Capacitance100 nF
Capacitance±10% 
Rated Voltage50 V (DC)
Size0603 
Operating Temperature -55 °C up to +125 °C
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Dissipation Factor3 %
Insulation Resistance5 GΩ
Ceramic TypeX7R Class II 
Length1.6 mm
Width0.8 mm
Height0.8 mm
Pad Dimension0.4 mm
Packaging7" Tape & Reel 
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885012208019
SPECWCAP-CSGP MLCCs 10 V(DC), –, –
Simu­lation
Availability
–
Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 10 V(DC)
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–
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Capacitance22 µF
Capacitance±10% 
Rated Voltage10 V (DC)
Size1206 
Operating Temperature -55 °C up to +125 °C
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Dissipation Factor10 %
Insulation Resistance0.005 GΩ
Ceramic TypeX7R Class II 
Length3.2 mm
Width1.6 mm
Height1.6 mm
Pad Dimension0.5 mm
Packaging7" Tape & Reel 
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885012208069
SPECWCAP-CSGP MLCCs 25 V(DC), –, –
Simu­lation
Availability
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Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 25 V(DC)
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Capacitance10 µF
Capacitance±10% 
Rated Voltage25 V (DC)
Size1206 
Operating Temperature -55 °C up to +125 °C
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Dissipation Factor10 %
Insulation Resistance0.01 GΩ
Ceramic TypeX7R Class II 
Length3.2 mm
Width1.6 mm
Height1.6 mm
Pad Dimension0.5 mm
Packaging7" Tape & Reel 
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61201421621
SPECWR-BHD 2.54 mm Male, –, –

PCN pending

Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff.

Simu­lation–
Availability
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Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWR-BHD 2.54 mm Male
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Operating Temperature -40 °C up to +105 °C
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Insulation Resistance1000 MΩ
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Length25.44 mm
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PackagingTray 
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Rated Current3 A
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MountTHT 
Pins14 
VersionLow Profile 
TypeStraight 
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