NCP1399APDR2G vs L6599DTR Comparison

Detailed side-by-side comparison of NCP1399APDR2G by onsemi and L6599DTR by STMicroelectronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.

Specification Comparison

Parameter NCP1399APDR2G L6599DTR
Brand onsemi STMicroelectronics
Category DC-DC Converters Voltage Regulators
Lifecycle Status Active Active
Stock Status In Stock In Stock
Unit Price (USD) $0.99 $1.55
Topology Half-Bridge Resonant (LLC) Resonant half-bridge (LLC, series resonant)
Control Mode Current Mode —
Switching Frequency Range 20 kHz to 750 kHz —
Integrated Gate Drivers 2 x 600 V half-bridge —
Package 16-SOIC (Pb-free) SO-16 (narrow body)
Mounting Type Surface Mount Surface Mount
PFC Interface Yes, dedicated output Yes (synchronization/output)
Brown-Out Protection Yes (built-in) —
Overcurrent Protection Yes Two-level (frequency shift + latched shutdown)
Overtemperature Protection Yes —
Dead-Time Control Adaptive, auto-adjusting —
Light-Load Mode Skip-mode function —
High-Side Driver Type Bootstrap with internal clamp —
Operating Temperature Range -40 C to +125 C —
MSL Level 1 [DATA_NEEDED: MSL rating]
RoHS Status Compliant —
Lead-Free Yes —
Duty Cycle — 50% complementary, 180° out-of-phase
Maximum Operating Frequency — 500 kHz
VCC Supply Voltage — 8.85 V to 16 V
High-Side Driver Rail — 600 V (bootstrap compatible)
High-Side Gate Driver — Integrated with bootstrap diode
Output Current (per driver) — 800 mA (max, per datasheet)
Oscillator Type — Voltage-controlled, variable frequency
Disable Input — Latched disable
Brown-out Protection — Yes (LINE pin)
Soft-Start — Programmable via soft-start pin
Operating Temperature — -40 °C to +150 °C
Lead Free / RoHS — Lead Free, RoHS Compliant

Datasheets & Resources

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