LTC7802JUFDM#WPBF vs LTC3899EFE Comparison
Detailed side-by-side comparison of LTC7802JUFDM#WPBF by Analog Devices and LTC3899EFE by Analog Devices. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Analog Devices
LTC7802JUFDM#WPBF - 40V Low IQ Dual Step-Down Controller | ADI
LTC7802JUFDM#WPBF ✓ ActiveAnalog Devices
LTC3899EFE - 60V Triple Output Buck/Buck/Boost Sync Controller | ADI
LTC3899EFE ✓ ActiveSpecification Comparison
| Parameter | LTC7802JUFDM#WPBF | LTC3899EFE |
|---|---|---|
| Brand | Analog Devices | Analog Devices |
| Category | DC-DC Converters | DC-DC Converters |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.32 | $7.81 |
| Topology | Dual synchronous buck controller | Triple-output synchronous buck + buck + boost controller |
| Number of Outputs | 2 | 3 (2 buck + 1 boost, boost can run PassThru) |
| Input Voltage Range | 4.5 V to 40 V | — |
| Output Voltage Range | 0.8 V to VIN (min 0.8 V) | 800 mV to 60 V |
| Output Current | Dependent on external MOSFETs | — |
| Switching Frequency Range | 100 kHz to 3 MHz (PLL-lockable) | — |
| Maximum Duty Cycle | 99 % | — |
| Feedback Voltage Accuracy | ±1 % over temperature | — |
| Reference Voltage | 0.8 V | — |
| Quiescent Current (Burst Mode) | [DATA_NEEDED: quiescent current spec] | — |
| Operating Temperature Range | -40 C to +150 C (TJ) | — |
| Package | 28-lead QFN (4x5 mm) with exposed pad | 38-pin TSSOP-EP (FE suffix) |
| MSL Level | [DATA_NEEDED: MSL rating] | 1 (unlimited floor life at <30C/85%RH) |
| RoHS Status | Compliant | Compliant (#PBF suffix) |
| Lead-Free | Yes | — |
| Wettable Flanks | Yes (UFDM suffix) | — |
| Spread-Spectrum Modulation | Selectable via PLLIN/SPREAD pin | — |
| Input Voltage Range (VIN) | — | 4.5 V to 60 V |
| Switching Frequency | — | Up to 850 kHz (phase-lockable) |
| Quiescent Current | — | 15 µA per channel (regulating) |
| Control Architecture | — | Constant-frequency current-mode |
| MOSFET Driver | — | N-channel synchronous, all channels |
| EXTVCC Internal LDO | — | 5 V (for gate drive from external 5V rail) |
| DRVSET Pin | — | Yes (adjustable gate drive voltage) |
| Protection Features | — | Cycle-by-cycle current limit, short-circuit hiccup, OVP, UV, thermal shutdown |
| Operating Junction Temperature | — | -40 C to +125 C (extended temp grade) |
| Mounting Type | — | Surface Mount |