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LM27762DSST
LM27762DSST
815-LM27762DSST
12-WFDFN Exposed Pad
12 Terminals 2.7V 12-Pin LM2776 DC DC Voltage Regulator SWITCHED CAPACITOR CONVERTER 2 - Dual Outputs 1.7MHz~2.3MHz Tape & Reel (TR) 250mA 12-WFDFN Exposed Pad
In Stock : 999
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Product Details
Purchasing and Inquiry
Description
The LM27762DSST provides low-noise positive and negative outputs that can be adjusted between ±1.5 and ±5 volts. The input voltage ranges from 2.7 to 5.5 V, with a maximum output current of ±250 mA. The LM27762DSST delivers outstanding performance for power amplifier and DAC bias, as well as other high-current, low-noise negative voltage needs, with an operating current of just 390 μA and a typical shutdown current of 0.5 μA. With only a few external components, the gadget provides a tiny solution size.
A regulated inverting charge pump is used to generate negative voltage, which is then followed by a low-noise negative LDO. The LM27762DSST device's inverting charge pump runs at a 2-MHz (typical) switching frequency to reduce output resistance and voltage ripple. A low-noise positive LDO generates positive voltage from the input.
The LM27762DSST has separate enable inputs for positive and negative outputs. For unique system power-sequence needs, these outputs provide independent timing for the positive and negative rails. Enable inputs can also be connected to the input voltage by shorting them together. The LM27762DSST features a Power Good feature that may be turned on or off.
Features
? 390-μA Quiescent Current (Typical)
? Shutdown Quiescent Current to 0.5 μA (Typical)
? Current Limit and Thermal Protection
? Power Good Pin (Active Low)
? Create a Custom Design Using the LM27762 With the WEBENCH? Power Designer
? 2-MHz Low-Noise Fixed-Frequency Operation
? 2.5-? Inverter Output Impedance, VIN = 5 V
? Negative LDO Dropout Voltage 30 mV at 100 mA, VOUT = –5 V
? Positive LDO with 45-mV Dropout Voltage at 100 mA, VOUT = 5 V
? Generates Low-Noise Adjustable Positive Supply Voltage Between 1.5 V and 5 V and Negative Supply Voltage Between –1.5 V and –5 V
? Input Voltage Range 2.7 V to 5.5 V
? ±250-mA Output Current
? Inverting Charge Pump Followed by Negative LDO
Applications
? Wireless Communication Systems
? Interface Power Supplies
? Handheld Instrumentation
? Hi-Fi Audio Headphone Amplifiers
? Operational Amplifier Power Biasing
? Powering Data Converters
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Email for receiving inquiries: jindawei@hkjdwchip.com
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Shipping starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.)
The basic freight (for package ≤0.5kg or corresponding volume) depends on the time zone and country.
Currently, our products are shipped through DHL, FedEx, SF, and UPS.
Delivery TimeOnce the goods are shipped, estimated delivery time depends on the shipping methods you chose:
FedEx International, 5-7 business days.
The following are some common countries' logistic time.
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| The fee is charged according to the rule of PayPal. | |
| East West Bank charge US$30.00 banking fee. | |
| The fee is charged according to the rule of PayPal. | |
| Western Union charge US$0.00 banking fee. |
Shipping
| DHL(www.dhl.com) From $40.00 basic shipping fee depend on zone and country. |
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| UPS(www.ups.com) From $40.00 basic shipping fee depend on zone and country. |
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| FedEx(www.fedex.com) From $40.00 basic shipping fee depend on zone and country. |
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| Registered Mail(www.singpost.com) From $10.00 basic shipping fee depend on different zone and country. |
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LM27762DSST
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