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Electrical Performance Specifications

3 Electrical Performance Specifications

Table 1 presents the electrical performance specifications of the TPS92075.

Table 1. TPS92075 Buck-Boost REF DESIGN-001 Electrical Performance Specifications

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Parameter Test Conditions MIN TYP MAX Units

Input Characteristics

Input Voltage range 90 120 135 V

Maximum Input current 0.140 A

Output Characteristics

Output voltage, VOUT Output current will change with LED stack. Nominal 18 50 V

output is 35V, 360mA (12.6W)

Output voltage regulation Line Regulation: Input voltage = 110 to 130 ±4 %

Line Regulation: Input voltage = 90 to 135 ±8 %

Output voltage ripple 120Hz LED Ripple, typical with 35V output 300 mApp

Systems Characteristics

Switching frequency 100 kHz

Peak efficiency 88 %

Peak Power Factor .986

Operating temperature 25 125 ºC

Solution Volume 18.5 cm

Solution Volume per Watt Based on 17W maximum 1.1 W/cm

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All performance results are for this design configuration only. Many opportunities exist to balance one performance factor for

another in this design.

4 Schematic

Figure 1 is the EVM schematic, and Figure 2 shows suggested dimming connections.

Figure 1. TPS92075 Buck-Boost Schematic

SLVU813A–November 2012–Revised June 2013 Using the TPS92075 Buck-Boost Converter

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