LTC3265MPDHC#PBF Analog Devices Integrated Circuit (Small Outline No-lead) In Stock
Analog Devices LTC3265MPDHC#PBF is an automotive-grade switched-capacitor charge pump regulator accepting 4.5 V to 16 V input and delivering inverting or step-up outputs up to ±32 V at 50 mA. Housed in an 18-pin DFN EP package, it generates dual-polarity rails for op-amp supplies and LCD bias in automotive and industrial systems.
- Manufacturer
- Analog Devices
- Package
- Small Outline No-lead
- Pin Count
- 18
- Lifecycle
- ACTIVE
- Datasheet
- LTC3265MPDHC#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $13.9600(MOQ 1)
- Temp Range
- -55.0°C to 150.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Wide input range 4.5 V to 16 V with output swing to ±32 V for dual-rail op-amp supplies
- 50 mA output current in a compact 18-pin DFN EP package suitable for automotive PCB designs
- Inverting and step-up charge pump modes in a single IC reducing external component count
- Automotive-grade rating for reliable operation in harsh thermal and electrical environments
Applications
The LTC3265MPDHC#PBF generates dual-polarity power rails for precision analog front ends, instrumentation amplifiers, and LCD bias generators in automotive infotainment and body electronics. Its switched-capacitor architecture eliminates inductors, reducing EMI and simplifying layout in noise-sensitive automotive sensor modules. The device also suits industrial 4 mA to 20 mA loop-powered transmitters and test equipment requiring bipolar ±15 V or ±20 V supply rails from a single input.
Specifications
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1955 |
| YTEOL | 10 |
| Additional Feature | ALSO VOUT=20 VOLT |
| Analog IC - Other Type | SWITCHED CAPACITOR REGULATOR |
| Input Voltage-Max | 16V |
| Input Voltage-Min | 4.5V |
| Input Voltage-Nom | 10V |
| JESD-30 Code | R-PDSO-N18 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Voltage-Nom | 18.8V |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Surface Mount | YES |
| Switcher Configuration | INVERTER |
| Switching Frequency-Max | 500kHz |
| Technology | CMOS |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Package | Small Outline No-lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LTC3265MPDHC#PBF:
suggested
Frequently Asked Questions
What input voltage range and output current does the LTC3265MPDHC#PBF support for automotive dual-rail power designs?
The LTC3265MPDHC#PBF accepts 4.5 V to 16 V input and delivers up to 50 mA output current on inverting or step-up charge pump outputs reaching ±32 V. This range covers 12 V automotive battery systems and supports dual-rail precision analog supplies for op-amps requiring symmetric ±15 V or ±20 V rails.
How does the switched-capacitor topology of the LTC3265MPDHC#PBF reduce EMI compared to inductor-based inverting converters?
The LTC3265MPDHC#PBF uses a switched-capacitor charge pump that transfers charge through flying capacitors rather than an inductor, eliminating magnetic field radiation and reducing conducted EMI on the 4.5 V to 16 V input rail. This inductorless design simplifies automotive EMC compliance by avoiding the large di/dt spikes associated with inductive boost-inverter topologies switching at hundreds of kilohertz.
For a precision op-amp circuit on an automotive PCB, why choose the LTC3265MPDHC#PBF over a split-rail DC-DC converter?
The LTC3265MPDHC#PBF generates dual-polarity rails up to ±32 V from a single 12 V automotive supply in an 18-pin DFN EP footprint, whereas a split-rail DC-DC converter typically requires two inductors, two control ICs, and substantially more board area. At 50 mA loads typical of precision analog front ends, the charge pump approach offers sufficient power with much simpler layout and fewer EMI mitigation components.
What makes the LTC3265MPDHC#PBF suitable for automotive temperature and reliability requirements?
The LTC3265MPDHC#PBF carries an automotive-grade rating, ensuring tested reliability over the extended automotive temperature range typically spanning -40°C to +125°C. Combined with a 16 V maximum input tolerance covering load-dump-clamped 12 V automotive rails and an 18-pin DFN EP package for efficient thermal dissipation, it meets the robustness demands of body electronics and infotainment applications.
Can the LTC3265MPDHC#PBF power a 4 mA to 20 mA loop transmitter that needs a negative supply rail?
Yes, the LTC3265MPDHC#PBF can generate the negative supply rail required by the op-amp input stage in a 4 mA to 20 mA loop-powered transmitter. Its inverting charge pump mode creates a negative voltage from a positive 4.5 V to 16 V loop supply at up to 50 mA, sufficient to bias precision current-output amplifiers while maintaining a compact 18-pin DFN EP footprint on the transmitter PCB.
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About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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| Qty. | Unit Price | Ext. Price |
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| 1+ | $24.8400 | $24.84 |
| 10+ | $17.8900 | $178.90 |
| 1000+ | $13.9600 | $13960.00 |
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