PM-500A series is a high performance switching regulator that provides 500mA output current with ultra-high efficiency of up to 96%. This unit can also be used to convert a positive voltage into a negative voltage.
FEATURES
PIN OUT COMPATIBLE WITH LM78XX LINEAR REGULATORS
SMALL AND LOW PROFILE (0.46 x 0.30 x 0.40 INCH)
HIGH EFFICIENCY: UP TO 96%
LOW STANDBY CURRENT
SHORT CIRCUIT PROTECTION
OVER TEMPERATURE PROTECTION
LOW OUTPUT RIPPLE NOISE
RoHS COMPLIANT
Model
Input
Nominal
Output Voltage
Output Current
Efficiency
Efficiency
PM-500A33
4.75 - 28VDC 24VDC 3.3VDC 500mA 91%
81%
PM-500A50
6.5 - 32VDC 24VDC 5VDC
500mA 94%
86%
PM-500A65 8 - 32VDC
24VDC 6.5VDC
500mA 94%
87%
PM-500A90 11 - 32VDC
24VDC 9VDC
500mA 95%
91%
PM-500A120 15 - 32VDC
24VDC 12VDC
500mA 95%
92%
PM-500A150 18 - 32VDC
24VDC 15VDC
500mA 96%
93%
Electrical Specifications All specifications are typical at nominal input, full load
Input Specifications Input Voltage Range 4.75 ~ 32VDC Input Filter C Filter Max Input Current 500mA Input Reflected Ripple Current 100mA Start up Time 0.5mS
Output Specifications Output Current 500mA max Voltage Accuracy ±2% Minimum Load See Above Line Regulation ±0.2% Vo Load Regulation
(10% to 100% of FL) ±0.4% Ripple and Noise
20Mhz BW Typ: 20mVp-p Short Circuit Protection Continuous, Auto Protection Cooling Method Free Air Flow
General Specifications Isolation Voltage none Isolation resistance 85Ω MTBF
MIL-HDBK-217F @ 25°C 2000K hours Switching Frequency 280 - 450 Khz max
Environmental Specifications Operating Temperature -40ºC ~ +85ºC (with derating) Storage Temperature -55ºC ~ +125ºC Temperature Coefficient ±0.02% / ºC max Over Temperature Protection(Internal IC Junction) 160°C Relative Humidity 5% ~ 95% Rh
Physical Specification Case Materials Non-Conductive Black Plastic Base Materials none Potting Materials Silicon (UL94-V0) Dimensions 0.476 x 0.30 x 0.40 inch (L x W x H) Weight 2.0g
