TPS60240DGKR ,170 uVrms Zero-Ripple Switched Cap Boost Converter With Fixed 3.3V Output For VCO SupplyFeatures 3 DescriptionThe TPS6024x devices are a family of switched1• Wide Input Voltage Range from ..
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TPS60240DGKR
170 uVrms Zero-Ripple Switched Cap Boost Converter With Fixed 3.3V Output For VCO Supply
Efficiency- %100 =2.4V V =3.3VIN OUT =3.6V V =3.3VIN OUT
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TPS60240, TPS60241, TPS60242, TPS60243SLVS372C –JUNE 2001–REVISED OCTOBER 2015
TPS6024x 170-µVrms Zero-Ripple Switched Capacitor Buck-Boost
Converter for VCO Supply Features 3 DescriptionThe TPS6024x devices area family of switched Wide Input Voltage Range from 1.8Vto 5.5V ideally suited for• Regulated 2.7-V, 3-V, 3.3-Vor 5-V Output Voltage (VCO) and phase-lockedWith ±2.5% Accuracy Over Load that require low noise and Upto 25-mA Output Current tight tolerances. Its dual-cap design uses four
ceramic capacitorsto provide ultra-low output ripple• 170-µVrms Zero Ripple Output: with high efficiency, while eliminating the need forat20 Hzto10 MHz Bandwidth inefficient linear regulators.• Upto 90% Efficiency
The TPS6024x devices operate down to 1.8 V,• Minimum Numberof External Components supportinga 3.3-V, 2.7-V, 3-V output from two-cell,– No Inductors nickel- or alkaline-based chemistries, whereas the Only Small Ceramic Chip Capacitors TPS60241 works with 2.7-Vto 5.5-V input voltage
providinga 5-V output. The devices work equally well• Shutdown Mode: 0.1 µA Typical for low EMI DC–DC step-up conversion without the• Thermal Protection and Current Limit need for an inductor. The high switching frequency Micro-Small 8-Pin VSSOP Package (typical 160 kHz) promotes the useof small surface-
mount capacitors, saving board space. The shutdown• EVM Available TPS60241EVM-194 modeof the converter conserves battery energy.
Applications The devices are thermally protected and current-
limited for reliable operation even under persisting• VCO and PLL Power for: fault conditions. Normal quiescent current (ground pin– Smart Phones current)is only 250 µA, and typically 0.1 µA in Mobile Phones shutdown mode. The TPS6024x devices comeina
thin, 8-pin VSSOP package witha component height– PCMCIA Modems of only 1.1 mm.• Smartcard Readers Digital Cameras
Device Information(1) MP3 Players SIM Modules• Electronic Games• Memory Backup• Handheld Meters
(1) Forall available packages, see the orderable addendumat• Bias Supplies the endofthe data sheet.
Typical Application Schematic Efficiencyvs Output Current
