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HWD20012

Features: 94% Efficient at 200mA Output Current16A Quiescent Supply Current Internal Synchronous Rectifier (no external diode) 0.1A Logic-Controlled Shutdown LBI/LBO Low-Battery Detector Selectable Current Limit for Reduced RippleLow-Noise, Anti-Ringing Feature (HWD20012) 8-Pin and 10-Pin MSOP Pa...

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SeekIC No. : 004367968 Detail

HWD20012: Features: 94% Efficient at 200mA Output Current16A Quiescent Supply Current Internal Synchronous Rectifier (no external diode) 0.1A Logic-Controlled Shutdown LBI/LBO Low-Battery Detector Selectable...

HWD20012 Data Sheet

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Part Number:
HWD20012
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

94% Efficient at 200mA Output Current
16A Quiescent Supply Current
Internal Synchronous Rectifier (no external diode)
0.1A Logic-Controlled Shutdown
LBI/LBO Low-Battery Detector
Selectable Current Limit for Reduced Ripple
Low-Noise, Anti-Ringing Feature (HWD20012)
8-Pin and 10-Pin MSOP Packages
 Preassembled Evaluation Kit (HWD20012EVKIT


Application

Pagers
Wireless Phones
Medical Devices
Hand-Held Computers
PDAs
RF Tags
1 to 3-Cell Hand-Held Devices


Pinout

Connection Diagram


Specifications

Supply Voltage (OUT to GND) ..............................-0.3V to +6.0V
Switch Voltage (LX to GND) .....................-0.3V to (VOUT + 0.3V)
Battery Voltage (BATT to GND).............................-0.3V to +6.0V
SHDN, LBO to GND ..............................................-0.3V to +6.0V
LBI, REF, FB, CLSEL to GND ...................-0.3V to (VOUT + 0.3V)
Switch Current (LX) ...............................................-1.5A to +1.5A
Output Current (OUT) ...........................................-1.5A to +1.5A
Continuous Power Dissipation (TA = +70)
8-Pin MSOP (derate 4.1mW/above +70) ....... .330mW
10-Pin MSOP (derate 5.6mW/ above +70) ..... ..444mW
Operating Temperature Range ...........................-40 to +85
Junction Temperature......................................................+150
Storage Temperature Range .............................-65 to +165
Lead Temperature (soldering, 10s) .................................+300


Description

The HWD20011/HWD2001/HWD20012 compact, high effIciency, step-up DC-DC converters fit in small MSOP packages. They feature a built-in synchronous rectifier, which improves efficiency and reduces size and cost y eliminating the need for an external Schottky diode. Quiescent supply current is only 16A.

The input voltage ranges from 0.7V to VOUT, where VOUT can be set from 2V to 5.5V. Start-up is guaranteed from 1.1V inputs. The HWD20011/HWD2001/ HWD20012 have a preset, pin-selectable output for 5V or 3.3V. The outputs can also be adjusted to other voltages using two external resistors.

All three devices have a 0.3 N-channel MOSFET power switch. The HWD20011 has a 1A current limit. The HWD2001 has a 0.5A current limit, which permits the use of a smaller inductor. The HWD20012 comes in a 10-pin MSOP package and features an adjustable current limit and circuitry to reduce inductor ringing.




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