AT1528 AT1529 致新代理商 GMT DC-DC系列 同步降压转换器

Part Number	Vin (V)min.	Vin (V) max.	IOUT (A)	FSW (k Hz)	FB (V)	Dmax (%)	IQ(uA)	Note	Package
AT1528/9	2.5	6	2/3.2	1000	0.8	100	450	VCC, REF, GND, FB, EN, PGND, LX, VIN, VIN OVP(VCC> 6.3V)	SOP-8/ SOP-8(FD)

 

1MHz, All-Ceramic, 2A PWM Buck DC/DC Converter

General Description
The  AT1528  high-efficiency,  DC/DC  buck  converter  delivers  up  to  2A  of  output  current.  The  device  oper-ates from an input voltage of 2.5V to 6V and provides an output voltage from 0.8V to VIN, making the AT1528 ideal for on-board post-regulation applications.

The AT1528 operate at a fixed frequency of 1MHz with an  efficiency  of  up  to  94%.  The  high  operating  fre-quency  minimizes  the  size  of  external  components.  Internal  soft-start  control  circuitry  reduces  inrush  cur-rent.   Short-circuit   and   thermal-overload   protections   improve design reliability.

The  AT1528  are  available  in  a  space-saving  8-pin  SOP and MSOP package.

Features
„Ceramic Input and Output Capacitors „
Efficiency Up to 94%
„Guaranteed 2A Output Current
„Operate from 2.5V to 6V Supply „
Adjustable Output from 0.8V to VIN„
Internal Soft-Start „
Short-Circuit and Thermal-Overload Protection
„Input Over Voltage Protection
RoHS Compliant

Applications
„ASIC/DSP/μP/FPGA Core and I/O Voltages „
Set-Top Boxes „
Cellular Base Stations
„Networking and Telecommunications

Ordering Information

ORDER NUMBER	MARKING	TEMP.RANGE	PACKAGE (Green)
AT1528P11U	A1528	40°C±85°C	SOP-8
AT1528P81U	A1528	40°C±85°C	MSOP-8

Note:  P1:SOP-8      P8:  MSOP-8            
1:  Bonding  Code  U: Tape & Reel

Pin  Configuration  Typical  Application  Circuit 

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