Product Details
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DESCRIPTION The LTC?3539/LTC3539-2 are synchronous, 2A step-up DC/DC converters with output disconnect. Synchronous rectification enables high efficiency in the low profile 2mm × 3mm DFN package. Battery life is extended with a 700mV start-up voltage and operation down to 500mV once started. FEATURES ■ Delivers 3.3V at 900mA From 2 Alkaline/NiMH Cells ■ Delivers 5V at 900mA From a Lithium-Polymer Battery ■ VIN Start-Up Voltage: 700mV ■ 1.5V to 5.25V VOUT Range ■ Up to 94 Efficiency ■ VIN > VOUT Operation ■ ±1.5 Feedback Voltage Tolerance ■ 1MHz (LTC3539) or 2MHz (LTC3539-2) Fixed Frequency Operation ■ Output Disconnect ■ Selectable Burst Mode? or PWM Operation ■ 10μA Quiescent Current ■ Logic Controlled Shutdown: <1μA ■ Requires Only 6 External Components ■ Low Profile (2mm × 3mm × 0.75mm) DFN Package APPLICATIONS ■ Medical Instruments ■ Portable Bar Code Scanners ■ Noise Canceling Headphones ■ Portable GPS Navigation ■ Handheld PCs |
Product Description
| TYPE | DESCRIPTION |
| ANSC PART# | ANSC - LTC3026EMSE#TRPBF |
| Category | Integrated Circuits (ICs) |
| Power Management (PMIC) | |
| Voltage Regulators - Linear, Low Drop Out (LDO) Regulators | |
| Mfr | Original |
| Series | - |
| Packaging | Tape & Reel (TR) |
| Cut Tape (CT) | |
| Part Status | Active |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 3.5V, 5.5V |
| Voltage - Output (Min/Fixed) | 0.4V |
| Voltage - Output (Max) | 2.6V |
| Voltage Dropout (Max) | 0.25V @ 1.5A |
| Current - Output | 1.5A |
| PSRR | - |
| Control Features | Enable, Power Good |
| Protection Features | Over Current, Over Temperature, Reverse Polarity, Short Circuit |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package / Case | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad |
| Supplier Device Package | 10-MSOP-EP |
| Base Product Number | LTC3026 |
Product Photos
Product datasheet
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