The OT1104 is a CMOS 75mA on-chip core voltage regulator designed for use when a pin for an external decoupling capacitor is not available.
A source follower output stage provides a low impedance at the output at high frequencies, minimizing on chip decoupling requirements for core logic.
Core Voltage Regulator
Overview
Key Features
- Input voltage range 3.0V – 3.3V.
- Output voltage 1.2V or 1.8V ±4%.
- Output short circuit protection.
- Bundled with Obsidian 1.2V bandgap reference.
- Power down/enable input.
- Fast response to current steps.
- 2% DC line and load regulation.
- PSRR 45dB @ 1MHz.
- -40°C to 120°C temperature operation.
- Base cell area 0.02mm2 in 0.18µ CMOS.
Block Diagram
Technical Specifications
Maturity
Silicon
Availability
Now
SMIC
Silicon Proven:
180nm
G
TSMC
In Production:
180nm
G
,
180nm
LP
Pre-Silicon: 150nm G
Silicon Proven: 180nm G , 180nm LP
Pre-Silicon: 150nm G
Silicon Proven: 180nm G , 180nm LP