MAX853ESA+ by Analog Devices

Low-Noise, Regulated, Negative Charge Pump Power Supplies for GaAsFET Bias


The MAX850-MAX853 low-noise, inverting, charge-pump power supplies are ideal for biasing GaAsFETs in cellular telephone transmitter amplifiers. The MAX850-MAX852 offer both preset (-4.1V) and adjustable (-0.5V to -9.0V) output voltages. The MAX853 uses an external positive control voltage to set the negative output voltage. Input voltage range for all four devices is 4.5V to 10V. Output current is 5mA. An internal linear regulator reduces the output voltage ripple to 2mVP-P. With a well-filtered control voltage (VCTRL), the MAX853 achieves typical output ripple of less than 1mVP-P. Supply current is 3mA max, and shutdown current is less than 1µA max over temperature (5µA max for MAX851).

Where to Buy

Prices starting from US$2.73

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Features

Fixed -4.1V or Adjustable -0.5V to -9V Output at 5mA
4.5V to 10V Input Voltage Range
2mVP-P Output Voltage Ripple (MAX850-MAX852)
1mVP-P Output Voltage Ripple (MAX853)
100kHz Charge-Pump Switching Frequency (MAX850/MAX851/MAX853)
External Synchronizing Clock Input (MAX852)
Logic-Level Shutdown Mode: 1µA Max Over Temperature (MAX850/MAX852/MAX853)
Low Cost, 8-Pin SO Package

Specifications

Topology InverterRegulated
VIN (V) (min) 4.5
VIN (V) (max) 10
IOUT (A) (typ) 0.005
Unadj. VOUT (V) -9
Adj. VOUT (V) (min) -VIN-0.6
Adj. VOUT (V) (max) -0.5
IQ (mA) (max) 3
Switching Frequency (kHz) 100
Oper. Temp. (°C) -40 to +85-20 to +85
Package/Pins SOIC (N)/8
BudgetaryPrice (See Notes) 1.83


MAX853ESA+ Semiconductors - ICs by Analog Devices

CHARGE PUMP INVERTING -4.1V NSOIC-8

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Output Type Fixed
Input Voltage Min 4.5V
Input Voltage Max 10V
DC / DC Converter IC Case NSOIC
No. of Pins 8Pins
Output Current 5mA
Fixed Output Voltage Nom. -4.1V
Adjustable Output Voltage Min -
Adjustable Output Voltage Max -
Topology Inverting
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)
Output Voltage Nom. -4.1V

Alternative Descriptions

Low-Noise, Regulated, Negative | Analog Devices
CHARGE PUMP, INVERTING, -4.1V, NSOIC-8 | Farnell

Frequently Asked Questions

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Is the MAX853ESA+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

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Authorised distributors including Analog Devices, element14 and Farnell have stock available or on a lead time for MAX853ESA+ .

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