ST20 Datasheet, PDF (1/3 Pages) STMicroelectronics – ST20 software development and debugging tools

ST20 SERIES
KEY FEATURES
„ Power Module for PCB Mountable
„ 2:1 Input Range
„ Synchronous Rectifier Topology
„ Regulated Output
„ Low Ripple and Noise
„ Screw Terminal For Optional
„ Remote ON/OFF Control (Optional)
„ Standard 2” x 1” Package and Pinout
„ CE, UL Approval
„ 2 Years Product Warranty
ELECTRICAL SPECIFICATIONS
Model No.
Max. Output Wattage (W)
Input Voltage (V.DC.)
Outut Voltage (V.DC.)
Efficiency
ST20-24-2.5S
12.5W
24V (18-36V)
2.5V / 4000mA
83%
Model No.
Max. Output Wattage (W)
Input Voltage (V.DC.)
Outut Voltage (V.DC.)
Efficiency
ST20-48-2.5S
12.5W
48V (36-75V)
2.5V / 4000mA
83%
ST20-24-3.3S
14W
24V (18-36V)
3.3V / 4000mA
86%
ST20-48-3.3S
14W
48V (36-75V)
3.3V / 4000mA
86%
VER : B_1 update : 98.04.09
Encapsulated DC-DC Converter
20 Watts
ST20-24-5S
20W
24V (18-36V)
5V / 4000mA
87%
ST20-48-5S
20W
48V (36-75V)
5V / 4000mA
87%
Model No.
Max Output Wattage (W)
Input
Input Filter
Voltage (V.DC.)
Voltage Accuracy
Current (mA) max
Line Regulation (LL-HL) (typ.)
Output
Load Regulation (10-100%) (typ.)
Ripple
Noise
Efficiency
Switching Frequency
Over Power Protection
Protection
Over Voltage Protection
Short Circuit Protection
Transient Response
Voltage
Isolation
Resistance
Capacitance
Operating Temperature
Storage Temperature
Environment
Case Temperature
Temperature Coefficient
Humidity
MTBF
Dimension (L x W x H)
Physical
Case Material
Weight
Cooling Method
Safety
Agency Approvals
EMC
EMI (Conducted & Radiated Emission)
ST20-24-2.5S ST20-24-3.3S ST20-24-5S
ST20-48-2.5S
12.5W
14W
20W
12.5W
π type
2.5
3.3
5
2.5
±2%
4000
4000
4000
4000
±0.5%
±1%
110mV max (Vp-p)
200mV max (Vp-p)
83%
86%
87%
83%
400KHz
Works over 120% of rating and recovers automatically.
Zener diode clamp
Current limit, auto-recovery
Ù500 us (100% to 50% full load at ±1% error band)
1600 VDC.
10⁸ ohms
1000 pF
-25°C…+70°C (with derating)
-55°C…+105°C
+100°C max.
±0.02% Per°C
95% RH
>550,000 h @ 25°C (MIL-HDBK-217F)
1.97 x 1.0 x 0.425 Inches ( 50.1 x 25.4 x 10.8 mm ) Tolerance ±0.5 mm
Nickel-Coated Copper with Non-conductive Base, Six-side Shielded
32 g
Free-air convection
CE, UL
EN 55022 class A
ST20-48-3.3S
14W
3.3
4000
86%
ST20-48-5S
20W
5
4000
87%
All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
http://www.archcorp.com.tw
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