• Peak Efficiency: 95% (VO = 3.3 V)
• Integrated 55-mΩ/50-mΩ MOSFETs
• Split Power Rail: 1.6 to 6.3 V on PVIN
• Power Rail: 3 to 6.3 V on VIN
• TPS50301-HT: 3 A
• TPS50601-SP: 6 A
• Flexible Switching Frequency Options:
  • 100-kHz to 1-MHz Adjustable Internal Oscillator
  • External Sync Capability: 100 kHz to 1 MHz
  • Sync Pin can be Configured as a 500-kHz Output for Master/Slave Applications
• 0.795-V ±1.258% Voltage Reference at 25°C
• Monotonic Start-Up into Prebiased Outputs
• Adjustable Slow Start and Power Sequencing
• Power Good Output Monitor for Undervoltage and Overvoltage
• Adjustable Input Undervoltage Lockout (UVLO)
• 20-Pin Thermally-Enhanced Ceramic Flatpack Package (HKH)
• See www.ti.com/swift for SWIFT™ Documentation
• 5962R10221:
  • Radiation Hardness Assurance (RHA) up to TID 100 krad (Si)
  • ELDRS Free 100 krad (Si) – 10 mRAD(Si)/s
  • Single Event Latchup (SEL) Immune to LET = 85 MeV-cm2/mg (See Radiation Report)
  • SEB and SEGR Immune to 85 MeV-cm2/mg, SOA Curve Available (See Radiation Report)
  • SET/SEFI Cross-Section Plot Available (See Radiation Report)

Efficiency vs Load Current, Vin = 5 V

• Point of Load Regulation
• TPS50601-SP: Rad Tolerant Applications
• TPS50301-HT: Down-Hole Drilling
• Supports Harsh Environment Applications
• TPS50301-HT Available in Extreme (–55°C to 210°C) Temperature Range
• TPS50601-SP Available in Military (–55°C to 125°C) Temperature Range (1)
• TPS50301-HT: TI's High Temperature Products use Highly-Optimized Silicon (Die) Solutions With Design and Process Enhancements to Maximize Performance over Extended Temperatures
• Engineering Evaluation (/EM) Samples are Available (2)

(1) Custom temperature ranges available(2) These units are intended for engineering evaluation only. They are processed to a non-compliant flow (that is no burn-in, and so forth) and are tested to temperature rating of 25°C only. These units are not suitable for qualification, production, radiation testing or flight use. Parts are not warranted for performance on full MIL specified temperature range of –55°C to 125°C or operating life.

The TPS50301-HT is a 6.3-V, 3-A and the TPS50601-SP is a 6.3-V, 6-A synchronous step-down converter, which is optimized for small designs through high efficiency and integrating the high-side and low-side MOSFETs. Further space savings are achieved through current mode control, which reduces component count, and a high switching frequency, reducing the inductor's footprint. The devices are offered in a thermally enhanced 20-pin ceramic, dual in-line flatpack package.

PART NUMBER	PACKAGE	BODY SIZE (NOM)
TPS50301-HT	CFP (20)	7.38 × 12.70 mm
TPS50601-SP	CFP (20)	7.38 × 12.70 mm
	KGD	N/A(2)

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