Powersolve TSR1 User Manual

DC-DC Switching Regulator

TSR1 Series, 1Amp

Features

• High performance switching regulator

• High efficiency up to 96%

• No heatsink required

• Low standby current, low output ripple & noise

• Wide input voltage range 4.75 to 36VDC

• Output voltages from 1.5 to 15VDC

• Drop in replacement for 3 pin linear regulators (78 series)

• Short circuit protection

Electrical Specification

Short Circuit Protection continuous, automatic recovery
Current Limitation 2.5A typical
Operating Temperature Range -40°C to +85°C (derate at 2.4%/°C above 60°C)
I/O isolation voltage non-isolated
Standby input current 2mA typical
Casing plastic (UL94V-0 rated)

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Output Voltage and Current Ratings

MODEL INPUT OUTPUT OUTPUT  RIPPLE & LINE LOAD EFFICIENCY

TSR1-2412 4.6 - 36VDC 1.2VDC 1000mA 50mV pk-pk max. 0.2% 0.6% 74% 62%
TSR1-2415 4.6 - 36VDC 1.5VDC 1000mA 50mV pk-pk max. 0.2% 0.6% 78% 65%
TSR1-2418 4.6 - 36VDC 1.8VDC 1000mA 50mV pk-pk max. 0.2% 0.4% 82% 69%
TSR1-2425 4.6 - 36VDC 2.5VDC 1000mA 50mV pk-pk max. 0.2% 0.4% 87% 75%
TSR1-2433 4.75 - 36VDC 3.3VDC 1000mA 50mV pk-pk max. 0.2% 0.4% 91% 78%
TSR1-2450 6.5 - 36VDC 5.0VDC 1000mA 50mV pk-pk max. 0.2% 0.4% 94% 84%
TSR1-2465 9.0 - 36VDC 6.5VDC 1000mA 50mV pk-pk max. 0.2% 0.4% 93% 87%
TSR1-2490 12 - 36VDC 9.0VDC 1000mA 75mV pk-pk max. 0.2% 0.4% 95% 90%
TSR1-24120 15 - 36VDC 12VDC 1000mA 75mV pk-pk max. 0.2% 0.4% 95% 92%
TSR1-24150 18 - 36VDC 15VDC 1000mA 75mV pk-pk max. 0.2% 0.4% 96% 94%

*For an input voltage higher than 32VDC an input capacitor of 22µF/50V is required.

VOLTAGE VOLTAGE CURRENT NOISE REG. REG.

@ Vin min. @ Vin max.

Mechanical and Connection Details

Pin Function

1 +Vin (Vcc)
2 GND
3 +Vout

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