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PTH08T221WAD
16-A, 4.5-V to 14-V Input, Ceramic Cap Version, Non-Iso, Wide Output Adj, Pwr Module w/TurboTrans
WIDE-OUTPUT, ADJUSTABLE POWER MODULE WITH TurboTrans™
1FEATURES
APPLICATIONS
DESCRIPTION
PTH08T220W, PTH08T221W
www.ti.com................................................................................................................................................... SLTS252K–NOVEMBER 2005–REVISED JUNE 2009
16-A, 4.5-V to 14-V INPUT, NON-ISOLATED, Upto 16-A Output Current •
TurboTrans™ Technology 4.5-Vto 14-V Input Voltage •
Designedto meet Ultra-Fast Transient
Requirements upto 300 A/μs•
Wide-Output Voltage Adjust (0.69Vto 5.5V) SmartSync Technology•
±1.5% Total Output Voltage Variation Auto-Track™ Sequencing•
Efficiencies upto 96% Output Overcurrent Protection
(Nonlatching, Auto-Reset) •
Complex Multi-Voltage Systems•
Operating Temperature: –40°Cto 85°C •
Microprocessors•
Safety Agency Approvals: •
Bus Drivers– UL/IEC/CSA-C22.2 60950-1 Prebias Startup On/Off Inhibit Differential Output Voltage Remote Sense Adjustable Undervoltage Lockout Ceramic Capacitor Version (PTH08T221W) POLA™ CompatibleThe PTH08T220/221Wisa high-performance 16-A rated, non-isolated power module. These modules represent
the 2nd generationof the popular PTH series power modules and includea reduced footprint and improved
features. The PTH08T221Wis optimizedtobe used withall ceramic capacitors.
Operating from an input voltage rangeof 4.5Vto 14V, the PTH08T220/221W requiresa single resistorto set
the output voltageto any value over the range, 0.69Vto 5.5V. The wide input voltage range makes the
PTH08T220/221W particularly suitable for advanced computing and server applications that utilizea loosely
regulated 8-Vto 12-V intermediate distribution bus. Additionally, the wide input voltage range increases design
flexibilityby supporting operation with tightly regulated 5-V, 8-V,or 12-V intermediate bus architectures.
The module incorporatesa comprehensive listof features. Output over-current and over-temperature shutdown
protects against most load faults.A differential remote sense ensures tight load regulation. An adjustable
under-voltage lockout allows the turn-on voltage thresholdto be customized. Auto-Track™ sequencingisa
popular feature that greatly simplifies the simultaneous power-up and power-downof multiple modulesina
power system.
The PTH08T220/221W includes new patent pending technologies,
TurboTrans™ and
SmartSync. The
TurboTrans feature optimizes the transient responseof the regulator while simultaneously reducing the quantity external output capacitors requiredto meeta target voltage deviation specification. Additionally, fora target
output capacitor bank, TurboTrans can be usedto significantly improve the regulators transient response by
reducing the peak voltage deviation. SmartSync allows for switching frequency synchronizationof multiple
The module uses double-sided surface mount constructionto providea low profile and compact footprint. options include both through-hole and surface mount configurations that are lead (Pb)- free and RoHS
