nx2158 Microsemi Corporation, nx2158 Datasheet
nx2158
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nx2158 Summary of contents
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... PGOOD EN Device NX2158CMTR Package Marking : NX2158XXX XXX is date code. For example, 935 means that this NX2158 is packaged in the 35th week of 2009 Rev.1.2 12/30/09 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 PWM BOOST CONTROLLER n Single Supply Voltage fom 3V to 5.5V ...
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... COMP AGND RT 9 =3.3V SYM Test Condition V REF V = switching,ENBUS=0V COMP=2.4V _UVLO V Rising CC CC _Hyst V Falling CC CC Microsemi Analog Mixed Signal Group NX2158 =1.5V, V =5V Low duty ENBUS BST A Min TYP MAX Units 0.8 0.793 0.808 0 3.5 mA 2.8 2.6 3 0.2 0.1 0.355 ...
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... I=200mA sink THdrv(Rise) THdrv(Fall) Tdead(L to Ldrv going Low to Hdrv R (Ldrv) I=200mA source R (Ldrv) I=200mA sink T Ldrv(Rise) TLdrv(Fall) Tdead going Low to Ldrv L) going High, 10% to 10% Microsemi Analog Mixed Signal Group NX2158 M in TYP MAX Un its 1 1.2 1.4 V 0.05 0.1 0. 640 kHz 550 720 0.5 V 0.4 ...
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... Oscillator's frequency can be set by using an external resistor from this pin GND. Power good indicator. 8 PGOOD PAD should be connected to ground. 17 PAD Not used. 13,16 NC Rev.1.2 12/30/09 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 PIN DESCRIPTION Microsemi Analog Mixed Signal Group NX2158 4 ...
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... BLOCK DIAGRAM ENBUS VCC 1.25V Bias Generator 0.8V COMP 0.3V RT START 0.8V Digital ramp start Up FB COMP START GND Figure 2 - Simplified block diagram of the NX2158 Rev.1.2 12/30/09 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 SS_finished 1.2V UVLO POR START OC Latch OVP OSC Thermal S Q Shutdown R 0.6V CLAMP 1 ...