NX2147CMTR Microsemi Analog Mixed Signal Group, NX2147CMTR Datasheet
NX2147CMTR
Specifications of NX2147CMTR
Related parts for NX2147CMTR
NX2147CMTR Summary of contents
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... Device NX2147CMTR Rev. 1.6 Rev. 1.8 03/09/09 12/28/09 DYNAMIC VOLTAGE ADJUSTMENT PRODUCTION DATA SHEET n Output voltage can be dynamically changed n Internal Boost Schottky Diode n Ultrasonic mode operation available n Bus voltage operation from 4.5V to 24V n Less than 1uA VIN shutdown current with Enable ...
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ABSOLUTE MAXIMUM RATINGS VCC,PVCC to GND & BST to SW voltage ............ -0.3V to 6.5V VIN,TON to GND .................................................. -0.3V to 28V HDRV to SW Voltage .......................................... -0. GND ......................................................... -2V to 30V All other pins ...
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PARAMETER VCC UVLO Under-voltage Lockout V threshold Falling VCC threshold ON and OFF time TON operating current ON -time Minimum off time VREF_OC voltage VREF_OC voltage Line regulation OUTPUT voltage Output range VOUT shut down discharge resistance Soft start time ...
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PARAMETER ENSW/MODE threshold and bias current PFM/Non Synchronous Mode Ultrasonic Mode Synchronous Mode Shutdown mode Input bias current Under voltage protection Under voltage trigger point Over voltage protection Over voltage tripp point Internal Schottky Diode Forward voltage drop Rev. 1.6 ...
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PIN DESCRIPTIONS PIN NUMBER PIN SYMBOL This pin is directly connected to the output of the switching regulator and 1 VOUT senses the VOUT voltage. An internal MOSFET with 20ohms rdson dis- charges the output during turn off. This pin ...
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BLOCK DIAGRAM VCC(2) Bias TON(16) VIN ON time pulse genearation VOUT VREF_OC(10) VREF OCP_COMP R1 VP(3) R2 start soft start VCC ENSW 1M /MODE(15) MODE 1M SELECTION OVP AGND(PAD) FBUVLO_latch DO(5) SCHIMTTER TRIGGER GPIO0(14) D1(4) SCHIMTTER TRIGGER GPIO1(6) Figure 2 ...
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TYPICAL APPLICATION (VIN=7V to 22V, VOUT=1.09V/12A 100k C3 R3 0.1u 88.7k C4 10n Figure 3 - Demo board schematic Rev. 1.6 Rev. 1.8 03/09/09 12/28/09 9 PVCC 16 TON C5 2 VCC ...
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Bill of Materials Item Quantity Reference 1 2 CI1 2 1 CO1 3 2 C1, C3, ...
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Demoboard waveforms Fig.4 Start up( CH1 VOUT 1V/DIV, CH4 Output current 5A/DIV) Fig.6 Soft turn off(CH1 ENSW 2V/DIV, CH2 VOUT 0.5V/DIV) Fig.8 D1=0, D0 from low to high(CH1 D0 2V/DIV, CH2 VOUT 0.1V/DIV 0.8V OFFSET, CH3 INDUC- TOR CURRENT 5A/DIV, ...
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MLPQ 16 PIN PACKAGE OUTLINE DIMENSIONS SYMBOL Dimensions In Millimeters NAME MIN A 0.700 A1 0.000 A3 B 0.180 D 2.950 D2 1.600 E 2.950 E2 1.600 e L 0.325 M Rev. 1.6 Rev. 1.8 03/09/09 12/28/09 ...
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