Product Information

MAX1775EEE+

MAX1775EEE+ electronic component of Analog Devices

Datasheet
Switching Controllers Dual-Output Step-Down DC-DC Converter for PDA/Palmtop Computers

Manufacturer: Analog Devices
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)

1: USD 10.638 ea
Line Total: USD 10.64

0 - Global Stock
MOQ: 1  Multiples: 1
Pack Size: 1
Availability Price Quantity
0 - WHS 1


Ships to you between Tue. 28 May to Mon. 03 Jun

MOQ : 100
Multiples : 100

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MAX1775EEE+
Analog Devices

100 : USD 5.6382
200 : USD 5.3362
400 : USD 5.2597
600 : USD 5.1832
800 : USD 5.1067
1000 : USD 5.0302
10000 : USD 4.9536

0 - WHS 2


Ships to you between Mon. 03 Jun to Wed. 05 Jun

MOQ : 1
Multiples : 1

Stock Image

MAX1775EEE+
Analog Devices

1 : USD 10.638
10 : USD 9.412
20 : USD 8.983
100 : USD 7.7
200 : USD 7.3625
500 : USD 6.7875
1000 : USD 6.675
2000 : USD 6.45

0 - WHS 3


Ships to you between Tue. 28 May to Mon. 03 Jun

MOQ : 1
Multiples : 1

Stock Image

MAX1775EEE+
Analog Devices

1 : USD 3.7375
3 : USD 2.7746
10 : USD 2.574

     
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Input Voltage
Output Voltage
Output Current
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Mounting
Kind Of Integrated Circuit
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MAX1775 19-1811 Rev 2 4/09 Dual-Output Step-Down DC-DC Converter for PDA/Palmtop Computers General Description Features The MAX1775 dual, step-down DC-DC converter gen- Dual, High-Efficiency, Synchronous Rectified erates both the main (+3.3V at over 2A) and core Step-Down Converter (+1.8V at up to 1.5A) supplies for a complete power Main Power solution for PDAs, subnotebooks, and other hand-held Adjustable from +1.25V to +5.5V devices. The main output is adjustable from +1.25V to Over 2A Load Current +5.5V. The core output is adjustable from 1V to 5V. Up to 95% Efficiency Both switching converters operate at up to 1.25MHz for small external components and use synchronous recti- Core Power fiers to achieve efficiencies up to 95%. Operation with Adjustable from 1V to 5V up to 100% duty cycle provides the lowest possible Internal Switches dropout voltage to extend useful battery life. Up to 1.5A Load Current The MAX1775 accepts inputs from +2.7V up to +28V, Up to 92% Efficiency allowing use with many popular battery configurations as 100% (max) Duty Cycle well as AC-DC wall adapters. Digital soft-start reduces Up to 1.25MHz Switching Frequency battery current surges at power-up. Both the main and Input Voltage Range from +2.7V to +28V core converters have separate shutdown inputs. The MAX1775 comes in a small 16-pin QSOP package. 170A Quiescent Current The MAX1775 evaluation kit is available to help reduce 55A Shutdown Current design time. Digital Soft-Start Independent Shutdown Inputs Ordering Information Applications PART TEMP RANGE PIN-PACKAGE Hand-Held Computers MAX1775EEE -40C to +85C 16 QSOP PDAs Internet Access Tablets Typical Operating Circuit POS Terminals Subnotebooks IN 2.7V TO 5.5V (28V IN CASCADE) IN CVH INC ON Pin Configuration OFF SHDNM PDRV ON OFF SHDNC MAIN TOP VIEW 3.3V OVER 2A NDRV SHDNM 1 16 LXC CVL SHDNC 2 15 INC MAX1775 CS+ PGND 3 14 GND CS- REF FBM MAX1775 NDRV 4 13 FBC CORE CVL 5 12 CS- LXC 1.8V PGND 1.5A GND IN 6 11 CS+ PDRV 7 10 FBM FBC CVH 8 9 REF 16 QSOP Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim s website at www.maxim-ic.com. EVALUATION KIT AVAILABLEDual-Output Step-Down DC-DC Converter for PDA/Palmtop Computers ABSOLUTE MAXIMUM RATINGS IN, SHDNM, CVH to GND.......................................-0.3V to +30V Continuous Power Dissipation 16-Pin QSOP (derate 7.1mW/C above +70C)..........571mW IN to CVH, PDRV ......................................................-0.3V to +6V PDRV to GND..................................(V - 0.3V) to (V + 0.3V) Operating Temperature .......................................-40C to +85C CVH IN Storage Temperature.........................................-65C to +150C PGND to GND .......................................................-0.3V to +0.3V Lead Temperature (soldering, 10s) .................................+300C All Other Pins to GND...............................................-0.3V to +6V Core Output Short Circuit...........................................Continuous Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ELECTRICAL CHARACTERISTICS (V = +12V, V = V = V = V = +3.3V, V = +1.8V, Circuit of Figure 4, T = 0C to +85C, unless otherwise noted. IN MAIN INC CS- CS+ CORE A Typical values are at T = +25C.) A PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Input Voltage V 2.7 28 V IN V = +1.5V, V = +1.5V, FBM FBC Input Quiescent Supply Current I 15 30 A IN V = V = +3.3V SHDNM SHDNC V = +1.5V, V = +1.5V, FBM FBC CS- Quiescent Supply Current I - 110 220 A CS V = V = +3.3V SHDNM SHDNC Core Regulator Quiescent V = +1.5V, V = +1.5V, FBM FBC I 60 120 A INC Supply Current V = V = +3.3V SHDNM SHDNC IN Shutdown Supply Current SHDNM = SHDNC = GND 5 30 A MAIN REGULATOR Main Output Voltage Adjust 1.25 5.5 V Range FBM Regulation Threshold V V = 0 to +60m V , V = + 2.7V to +2 8V 1.21 1.25 1.29 V FBM (C S + - C S - ) IN FBM Input Current I V = +1.3V -0.1 0.1 A FBM FBM Current-Limit Threshold V V - V 60 80 100 mV CLM CS+ CS- Minimum Current-Limit V V - V 615 24 mV MIN CS+ CS- Threshold Valley Current Threshold V V - V 40 50 60 mV VALLEY CS+ CS- Zero Current Threshold V V - V 015mV ZERO CS+ CS- PDRV, NDRV Gate Drive V = +3.3V, I = 50mA 2 4.4 CS- LOAD Resistance CS- to CVL Switch Resistance I = 50mA 4.5 8 CVL PDRV, NDRV Dead Time 50 ns Maximum Duty Cycle 100 % Minimum On-Time 200 400 650 ns Minimum Off-Time 200 400 650 ns 2 MAX1775

Tariff Desc

8542.31.00 51 No ..Application Specific (Digital) Integrated Circuits (ASIC)

Electronic integrated circuits: Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
Monolithic integrated circuits:
AD4
ANALOG DEVICES
Analog Devices Hittite
ANALOG DEVICES (LINEAR TECHNOLOGY)
ANALOG DEVICES (MAXIM INTEGRATED)
ANALOG DEVICES (TRINAMIC)
Analog Devices / Hittite
Analog Devices / Linear Technology
Analog Devices Inc
Analog Devices Inc.
Analog Devices, Inc.
DA4
Dallas
DALLAS / MAXIM
Dallas Semiconductor (VA)
LINEAR
LINEAR TECH
Linear Technology
Linear Technology (part of ADI)
LT
LT4
MAXIM
Maxim Integrated
MAXIM INTEGRATED / ANALOG DEVICES
Maxim Integrated Products
MAXIM-DALLAS
MX4
Technology
Trinamic
TRINAMIC / ANALOG DEVICES
Trinamic Motion Control
Trinamic Motion Control GmbH

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