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APW7138
High-Performance Notebook PWM Controller
Features
General Description
• Adjustable Output Voltage from +0.6V to +3.3V
The APW7138 is a single-phase, constant-on-time, and
- 0.6V Reference Voltage
synchronous PWM controller which drives N-channel
- ±1% Accuracy Over Temperature
MOSFETs. The APW7138 steps down high voltage of a
• Operates from an Input Battery Voltage Range of battery to generate low-voltage chipset or RAM supplies
+3V to +25V
in notebook computers.
• Wide Output Load Range from 0A to 25A
The APW7138 provides excellent transient response and
• Power-On-Reset Monitoring on VCC Pin
accurate DC voltage output in either PFM or PWM Mode.