ADP1148-5, ADP1148A5, ADP1148AN-3.3 Selling Leads, Datasheet
MFG:ADI Package Cooled:N/A D/C:09+
ADP1148-5, ADP1148A5, ADP1148AN-3.3 Datasheet download
Part Number: ADP1148-5
MFG: ADI
Package Cooled: N/A
D/C: 09+
ADP1148-5, ADP1148A5, ADP1148AN-3.3
- Table of contents:
Info of ADP1148-5
Info of ADP1148A5
Info of ADP1148AN-3.3
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About ADP1148-5
PDF/DataSheet Download
Datasheet: ADP1148-5
File Size: 168150 KB
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About ADP1
PDF/DataSheet Download
Datasheet: ADP1
File Size: 73864 KB
Manufacturer: ETC [ETC]
Download : Click here to Download
About ADP1
PDF/DataSheet Download
Datasheet: ADP1
File Size: 73864 KB
Manufacturer: ETC [ETC]
Download : Click here to Download
ADP1148-5 General Description
The ADP1148 is part of a family of synchronous step-down switching regulator controllers featuring automatic sleep mode to maintain high efficiencies at low output currents. These devices drive external complementary power MOSFETs at switching frequencies up to 250 kHz using a constant off-time current-mode architecture.
The constant off-time architecture maintains constant ripple current in the inductor, easing the design of wide input range converters. Current-mode operation provides excellent line and load transient response. The operating current level is user programmable via an external current sense resistor. The ADP1148 incorporates automatic Power Saving Sleep Mode operation when load currents drop below the level required for continuous operation. In sleep mode, standby power is reduced to only about 2 mW at VIN = 10 V. In shutdown, both MOSFETs are turned off.
ADP1148-5 Maximum Ratings
Input Supply Voltage (Pin 3) . . . . . . . . . . . . . 0.3 V to +20 V
Continuous Output Currents (Pins 1, 14) . . . . . . . . . . 50 mA
Sense Voltages (Pins 7, 8) . . . . . . . . . . . . . . . .0.3 V to VCC
Operating Temperature Range . . . . . . . . . . . . 0°C to +70°C
Extended Commercial Temperature Range . .40°C to +85°C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . 150°C
Storage Temperature Range . . . . . . . . . . . 65°C to +150°C
Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . . 300°C
Continuous Output Currents (Pins 1, 14) . . . . . . . . . . 50 mA
Sense Voltages (Pins 7, 8) . . . . . . . . . . . . . . . .0.3 V to VCC
Operating Temperature Range . . . . . . . . . . . . 0°C to +70°C
Extended Commercial Temperature Range . .40°C to +85°C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . 150°C
Storage Temperature Range . . . . . . . . . . . 65°C to +150°C
Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . . 300°C
ADP1148-5 Features
Operation From 3.5 V to 18 V Input Voltage
Ultrahigh Efficiency > 95%
Low Shutdown Current
Current Mode Operation for Excellent Line and Load Transient Response
High Efficiency Maintained Over Wide Current Range
Logic Controlled Micropower Shutdown
Short Circuit Protection
Very Low Dropout Operation
Synchronous FET Switching for High Efficiency
Adaptive Nonoverlap Gate Drives
Ultrahigh Efficiency > 95%
Low Shutdown Current
Current Mode Operation for Excellent Line and Load Transient Response
High Efficiency Maintained Over Wide Current Range
Logic Controlled Micropower Shutdown
Short Circuit Protection
Very Low Dropout Operation
Synchronous FET Switching for High Efficiency
Adaptive Nonoverlap Gate Drives
ADP1148-5 Typical Application
Notebook and Palmtop Computers
Portable Instruments
Battery Operated Digital Devices
Industrial Power Distribution
Avionics Systems
Telecom Power Supplies
GPS Systems
Cellular Telephones
Portable Instruments
Battery Operated Digital Devices
Industrial Power Distribution
Avionics Systems
Telecom Power Supplies
GPS Systems
Cellular Telephones
ADP1148-5 Connection Diagram
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