Industry’s Highest Current DC/DC Converter.
48V or 24V Input, 250W, 120A Output,
3.3V 90A, 2.5V 100A, 1.8V 120A, 1.5V 120A, 1.2V 120A
standard with extra wide trim range
LEO Series
The Leo is a 3/4 brick
CoolConverter
™
in the Galaxy family of high-efficiency
DC/DC converters.
Typical Efficiency:
91% at 1.8V, 60A; 88% at 1.8V, 120A
Highest Ripple Frequency, 600kHz,
for Low EMI
Industry Compatible Footprint
Democratic Secondary-side Current Sharing
Ultra High Initial Setpoint Accuracy,
±0.2%
Wide Trim Range, +10 to -70%
Single Pole Transient Response (No Ringing)
Rapid Turn-on from Valid Input Voltage
Two Year Warranty
The open frame 3/4 brick Leo
is also available with an optional heatsink.
Control Functions
Uses Patented Power Supply Control
and Architecture
Primary/Secondary Microprocessor
Controlled
Three Enable Signals Standard for
Maximum Flexibility
Differential Remote Sense
Active High Power-Good Signal
Protection Features
Over Temperature Protection
Over Voltage Protection
Under Voltage Lockout
Delayed Lockout for Over Input Voltage
Continuous Constant Current Limit
Typical Characteristics
Output Setpoint Accuracy:
±0.2%
Load Regulation:
±0.25%
Line Regulation:
±0.25%
Regulation over Line, Load, and
Temperature:
±1%
Leo Series, Page 1
PRELIMINARY
Part No. 99–001 Rev. 4.0–120902