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reference designTS30041

Semtech TS30041

High E! ciency 1A/2A Current-Mode Synchronous Buck Converter, 1MHz

Overview

TopologyBuck Converter
Input voltage4.5-40 V
Switching frequency900-1100 kHz
Output 13.3 V / 1 A
Output 22.5 V / 1 A
Output 31.5 V / 1 A
Output 45 V / 1 A
Output 51.8 V / 1 A
IC revision2.1

Description

he TS30041 (1A) and TS30042 (2A) are DC/DC synchronousswitching regulators with fully integrated power switches,internal compensation, and full fault protection. The switchingfrequency of 1MHz enables the use of small ! lter componentsresulting in minimal board space and reduced BOM costs.

Features

Fixed output voltage choices: 1.5V, 1.8V, 2.5V, 3.3V, and 5Vwith +/- 2% output tolerance

  • Adjustable version output voltage range: 0.9V to (VCC -1V) with +/- 1.5% reference
  • Wide input voltage range: 4.5V to 40V (42V Abs Max)
  • 1MHz +/- 10% ! xed switching frequency
  • Continuous output current: 1A (TS30041), 2A (TS30042)
  • High e" ciency up to 95%
  • Current mode PWM control with PFM mode for improvedlight load e" ciency
  • Voltage supervisor for VOUT reported at the Power Good(PG) pin
  • Input supply under voltage lockout
  • Soft start for controlled startup with no overshoot
  • Full protection for over-current, over-temperature, andVOUT over-voltage
  • SYNC function on EN/SYNC pin to control switching frequency
  • Less than 10uA in standby mode
  • Low external component count

Typical applications

  • Set-top box, DVD, LCD, LED supply
  • Industrial power supplies
  • On-card switching regulators

More information

Products

Order Code
Data­sheet
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Status
Product series
C
Tol. C
VR(V (DC))
Size
Operating Temperature
DF(%)
RISO
Ceramic Type
L(mm)
W(mm)
H(mm)
Fl(mm)
Packaging
L(µH)
IR(A)
ISAT(A)
RDC max.(Ω)
fres(MHz)
Samples
885012205033
WCAP-CSGP MLCCs 16 V(DC), 22 nF, ±10%
Simu­lation
Downloads9 files

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CAD files ZIP

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Download all 9 files as zip archive
ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 16 V(DC)
Capacitance22 nF
Capacitance±10% 
Rated Voltage16 V (DC)
Size0402 
Operating Temperature -55 °C up to +125 °C
Dissipation Factor3.5 %
Insulation Resistance10 GΩ
Ceramic TypeX7R Class II 
Length1 mm
Width0.5 mm
Height0.5 mm
Pad Dimension0.25 mm
Packaging7" Tape & Reel 
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885012208019
WCAP-CSGP MLCCs 10 V(DC), 22 µF, ±10%
Simu­lation
Downloads9 files

EDA models: Components ZIP

CAD files ZIP

Electric models ZIP

Download all 9 files as zip archive
ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 10 V(DC)
Capacitance22 µF
Capacitance±10% 
Rated Voltage10 V (DC)
Size1206 
Operating Temperature -55 °C up to +125 °C
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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744774047
WE-PD2 SMT Power Inductor, –, –
Simu­lation
Downloads9 files

EDA models: Components ZIP

CAD files ZIP

Electric models ZIP

Download all 9 files as zip archive
ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-PD2 SMT Power Inductor
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Size5848 
Operating Temperature -40 °C up to +125 °C
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Length5.2 mm
Width5.8 mm
Height4.5 mm
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Inductance4.7 µH
Rated Current3 A
Saturation Current5.5 A
DC Resistance0.071 Ω
Self Resonant Frequency33 MHz