Product Details
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DESCRIPTION The LTC® 1871-7 is a current mode, boost, flyback and SEPIC controller optimized for driving 6V-rated MOSFETs in high voltage applications. The LTC1871-7 works equally well in low or high power applications and requires few components to provide a complete power supply solution. The switching frequency can be set with an external resistor over a 50kHz to 1MHz range, and can be synchronized to an external clock using the MODE/SYNC pin. FEATURES ■ Optimized for High Input Voltage Applications ■ Wide Chip Supply Voltage Range: 6V to 36V ■ Internal 7V Low Dropout Voltage Regulator Optimized for 6V-Rated MOSFETs ■ Current Mode Control Provides Excellent Transient Response ■ High Maximum Duty Cycle (92 Typ) ■ ±2 RUN Pin Threshold with 100mV Hysteresis ■ ±1 Internal Voltage Reference ■ Micropower Shutdown: IQ= 10µA ■ Programmable Operating Frequency (50kHz to 1MHz) with One External Resistor ■ Synchronizable to an External Clock Up to 1.3 ×fOSC ■ User-Controlled Pulse Skip or Burst Mode® Operation ■ Output Overvoltage Protection ■ Can be Used in a No RSENSETM Mode for VDS< 36V ■ Small 10-Lead MSOP Package APPLICATIONS ■ Telecom Power Supplies ■ 42V Automotive Systems ■ 24V Industrial Controls ■ IP Phone Power Supplies |
Product Description
| Type | Description |
| ANSC PART# | ANSC- LTC3402EMS |
| Category | Integrated Circuits (ICs) |
| Power Management (PMIC) | |
| Voltage Regulators - DC DC Switching Regulators | |
| Mfr | Original |
| Series | - |
| Packaging | Tube |
| Part Status | / |
| Function | Step-Up |
| Output Configuration | Positive |
| Topology | Boost |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 0.5V |
| Voltage - Input (Max) | 5V |
| Voltage - Output (Min/Fixed) | 2.6V |
| Voltage - Output (Max) | 5.5V |
| Current - Output | 2A (Switch) |
| Frequency - Switching | 2MHz |
| Synchronous Rectifier | No |
| Mounting Type | Surface Mount |
| Package / Case | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) |
| Supplier Device Package | 10-MSOP |
| Base Product Number | LTC3402 |
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