Datasheet Texas Instruments PTQB425080N2AD — 数据表

Not Recommended for New Designs PTQB425080
www.ti.com SLTS269B – DECEMBER 2006 – REVISED NOVEMBER 2007 200-W 48-V INPUT, 8-V OUTPUT, SEMI-REGULATED, ISOLATED DC-DC BUS CONVERTER
Check for Samples: PTQB425080 FEATURES 1 DESCRIPTION 200-W Output
Input Voltage Range: 36 V to 75 V
Meets 100 V, 100 ms Input Transient
6:1 Input-to-Output DC Conversion Ratio:
36 V to 55 V Input
10.5 V Output Voltage Limit: > 55 V Input
93% Efficiency
1500 VDC Isolation
On/Off Control
Overcurrent Protection
Over-Temperature Shutdown
Undervoltage Lockout
SmartSync External Clock Drive (Optional)
AutoTrackв„ў Power-Up Sequencing (Optional)
Standard 1/4-Brick Bus Converter Footprint
UL Safety Agency Approval The PTQB425080 power module is single-output
isolated DC/DC converter, housed in an industry
standard quarter-brick package. The module is
nominally rated up to 200 W with a maximum load
current of 25 A. It delivers an output voltage of 1/6th
the input voltage for an input voltage range of 36 V to …