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 Range
Nominal Input
Output Voltage
Output Current (Max Load)
Efficiency Min. Vin
Efficiency Max. Vin
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
Max: 30mVp-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