Datasheet Linear Technology LTM4644MPY

LTM4644/LTM4644-1
Quad DC/DC µModule
Regulator with Configurable 4A Output Array
FEATURES DESCRIPTION Quad Output Step-Down µModule® Regulator with 4A
per Output
n Wide Input Voltage Range: 4V to 14V
n 2.375V to 14V with External Bias
n 0.6V to 5.5V Output Voltage
n 4A DC, 5A Peak Output Current Each Channel
n Up to 5.5W Power Dissipation (T = 60°C, 200 LFM,
A
No Heat Sink)
n ±1.5% Total Output Voltage Regulatio Current Mode Control, Fast Transient Response
n Parallelable for Higher Output Current
n Output Voltage Tracking
n Internal Temperature Sensing Diode Output
n External Frequency Synchronizatio Overvoltage, Current and Temperature Protectio 9mm × 15mm × 5.01mm BGA Package The LTM®4644/LTM4644-1 is a quad DC/DC step-down
µModule (micromodule) regulator with 4A per output.
Outputs can be paralleled in an array for up to 16A capability. Included in the package are the switching controllers,
power FETs, inductors and support components. Operating
over an input voltage range of 4V to 14V or 2.375V to 14V
with an external bias supply, the LTM4644/LTM4644-1
supports an output voltage range of 0.6V to 5.5V. Its …