# 75 Watts APA18 Power Module

## Features

· Point of Load (POL) applications
· High Current slew rate (1A/uS)
· High efficiency (91% @ 3.3V typical)
· Open frame SIP design
· Operating temperature: -40°C to +85°C
· Positive enable function
· Low output ripple and noise
· Adjustable output voltage (external resistor)
· Regulation to zero load

## Electrical Specifications

Input

· Input Voltage Range: 10.0V to 14.0V
· Input Surge: 15V
· Efficiency: 92% @ 3.3V (typical)

Output

· Line Regulation: <0.5%
· Load Regulation:
- 0.75V_o: 7mV
- 0.75V < V_o < 3.3V: 15mV
- 3.3V ≤ V_o: 25mV
· Regulation: < 1.0%
· Load Current: 18A max (airflow required)
· Noise/Ripple:
- 0.75V - 5.0V: 60mV
- >5.0V: 75mV
· Current Slew Rate: Up to 1A/uS
· Transient Response: 200mV deviation (50% load step, 10% to 100%), 200uS recovery
· Remote Sense: 0.25V
· Turn-On Input Voltage: 8.7V - 9.7V (typical)
· UVLO Hysteresis: 1V (typical)
· OCP/OTP: Hiccup auto recovery
· Isolation: Non-isolated module

## Environmental

· Operating Temperature: -40°C to +85°C
· Storage Temperature: -55°C to +125°C
· MTBF: >1 million hours

## Safety

· UL, cUL 60950 Recognized (Pending)
· TUV EN60950 Licensed (Pending)

## Ordering Information

· Model: APA18T12-9, APA18T12-9H (Horizontal pins)
· Input Voltage: 10.0V - 14.0V
· Output Voltage: 0.75V to 5.5V
· Output Current: 18A (max, 75W)
· Efficiency: 92% (typical @ 3.3V)

## Pin Functions

· P1, P2, P4: Output Voltage (Vo)
· P3: Sense
· P5, P6: Ground (GND)
· P7, P8: Input Voltage (Vin)
· P9: Trim (Output Voltage Adjustment)
· P10: Enable (Output Voltage Enable)



## Contact Information

· North America: 1-888-41-ASTEC
· Europe (UK): 44 (1384) 842-211
· Asia (HK): 852-2437-9662