LM2787BPX

LM2787BPX, CMOS Negative Regulated Switched Capacitor Voltage Inverter, BGA, 5.8V, 10mA, 600mW

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PartNumber:: LM2787BPX

Brand:: National Semiconductor - NS | Pack: BGA | D/C: 12+

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Products Upload time: 2012-11-15

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Part Number:LM2787BPX
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Product Summary

The LM2787BPX is a CMOS Negative Regulated Switched Capacitor Voltage Inverter. It delivers a very low noise adjustable output for an input voltage in the range of +2.7V to +5.5V. Four low cost capacitors are used in this circuit to provide up to 10mA of output current. The regulated output for the LM2787BPX is adjustable between -1.5V and -5.2V. The LM2787BPX operates at 260 kHz (typical) switching frequency to reduce output resistance and voltage ripple. With an operating current of only 400 μA (charge pump power efficiency greater than 90% with most loads) and 0.05 μA typical shutdown current, the LM2787BPX provides ideal performance for cellular phone power amplifier bias and other low current, low noise negative voltage needs. The LM2787BPX comes in a small 8-Bump micro SMD package.

Parametrics

LM2787BPX absolute maximum ratings: (1)Supply Voltage (VIN to GND or GND to OUT): + 5.8V; (2)SD: (GND - 0.3V) to (VIN + 0.3V); (3)VNEG and VOUT Continuous Output Current: 10mA; (4)VOUT Short-Circuit Duration to GND: 1 sec.; (5)Continuous Power Dissipation (TA = 25℃): 600mW; (6)TJMAX: 150℃; (7)θJA: 220℃/W; (8)Operating Input Voltage Range: 2.7V to 5.5V; (9)Operating Output Current Range: 0mA to 10mA; (10)Operating Ambient: 40℃ to 85℃; (11)Operating Junction Temp. Range: -40℃ to 110℃; (12)Storage Temperature: -65℃ to 150℃; (13)Lead Temp. (Soldering, 10 sec.): 300℃; (14)ESD Rating: 2kV.

Features

LM2787BPX features: (1)Inverts and regulates the input supply voltage; (2)Small 8-Bump micro SMD package; (3)91% typical charge pump power efficiency at 10mA; (4)Low output ripple; (5)Shutdown lowers Quiescent current to 0.05 μA (typical).