CM3706AGIM25 CHAMP [Champion Microelectronic Corp.], CM3706AGIM25 Datasheet
CM3706AGIM25
Available stocks
Related parts for CM3706AGIM25
CM3706AGIM25 Summary of contents
Page 1
GENERAL DESCRIPTION The CM3706A is a high efficiency monolithic synchronous buck regulator using a constant frequency, current mode architecture. The device is available in an adjustable version. Supply current with no load is 300uA and drops to <1uA in shutdown. ...
Page 2
PIN CONFIGURATION BLOCK DIAGRAM 2008/03/07 Rev. 1.0 1.5MHz, 600mA Synchronous Step-Down Regulator TSOT23-5 Top View Champion Microelectronic Corporation CM3706A Page 2 ...
Page 3
... VFB (CM3706A): Feedback Input Pin. Connect FB to the center point of the external resistor 5 FB divider. The feedback threshold voltage is 0.6V. ORDERING INFORMATION/ MARKING Part Number CM3706AGIM25 2008/03/07 Rev. 1.0 1.5MHz, 600mA Synchronous Step-Down Regulator Description In shutdown, all functions are disabled drawing <1µA supply ...
Page 4
ABSOLUTE MAXIMUM RATINGS Absolute maximum ratings are those values beyond which the device could be permanently damaged. Input Supply Voltage...................................................–0.3V to 7.0V Peak SW Sink and Source Current………...…………….. 1.5A RUN, VFB Voltages ………………………...…– 0.3V to (VIN + 0.3V) Junction Temperature ...
Page 5
ELECTRICAL CHARACTERISTICS VIN=+3.6V) maximum ratings are stress ratings only and functional device operation is not implied. Parameter Input Voltage Range Input DC Supply Current V Active Mode Shutdown Mode V T Regulated Feedback Voltage Input Bias Current ...
Page 6
FUNCTIONAL DESCRIPTION Operation CM3706A is a monolithic switching mode Step-Down DC-DC converter. It utilizes internal MOSFETs to achieve high efficiency and can generate very low output voltage by using internal reference at 0.6V. It operates at a fixed switching frequency, ...
Page 7
Typical Performance Characteristics (Test Figure 1 above unless otherwise specified) 2008/03/07 Rev. 1.0 1.5MHz, 600mA Synchronous Step-Down Regulator Champion Microelectronic Corporation CM3706A Page 7 ...
Page 8
Pulse Skipping Mode Operation Load step 2008/03/07 Rev. 1.0 1.5MHz, 600mA Synchronous Step-Down Regulator Output Voltage vs Temperature Discontinuous Operation Load step Champion Microelectronic Corporation CM3706A Start-Up from shutdown Load step Page 8 ...
Page 9
APPLICATIONS INFORMATION Setting the Output Voltage Figure 2 above shows the basic application circuit with CM3706A adjustable output version. The external resistor sets the output voltage according to the following equation: ⎛ ⎜ ...
Page 10
PACKAGE DIMENSION Note5: Package outline exclusive of mold flash and metal burr. 2008/03/07 Rev. 1.0 1.5MHz, 600mA Synchronous Step-Down Regulator b1 With Plating b Base Metal Section B See ...
Page 11
Champion Microelectronic Corporation (CMC) reserves the right to make changes to its products or to discontinue any integrated circuit product or service without notice, and advises its customers to obtain the latest version of relevant information to verify, before placing ...