MAX774CSA+ by Analog Devices

-5V/-12V/-15V or Adjustable, High-Efficiency, Low IQ Inverting DC-to-DC Controllers


The MAX774/MAX775/MAX776 inverting switching regulators deliver high efficiency over three decades of load current. A unique current-limited, pulse-frequency modulated (PFM) control scheme provides the benefits of pulse-width modulation (high efficiency with heavy loads), while using less than 100µA of supply current (vs. 2mA to 10mA for PWM converters). The result is high efficiency over a wide range of loads. These ICs also use tiny external components; their high switching frequency (up to 300kHz) allows for less than 5mm diameter surface-mount magnetics. The MAX774/MAX775/MAX776 accept input voltages from 3V to 16.5V, and have preset output voltages of -5V, -12V, and -15V, respectively. Or, the output voltage can be user-adjusted with two resistors. Maximum VIN - VOUT differential voltage is limited only by the break-down voltage of the chosen external switch transistor. These inverters use external P-channel MOSFET switches, allowing them to power loads up to 5W. If less power is required, use the MAX764/MAX765/MAX766 inverting switching regulators with on-board MOSFETs.

Where to Buy

Prices starting from US$2.46

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Features

85% Efficiency for 5mA to 1A Load Currents
Up to 5W Output Power
100µA (max) Supply Current
5µA (max) Shutdown Current
3V to 16.5V Input Range
-5V (MAX774), -12V (MAX775), -15V (MAX776), or Adjustable Output Voltage
Current-Limited PFM Control Scheme
300kHz Switching Frequency

Specifications

VIN (V) (min) 3
VIN (V) (max) 16.5
VOUT1 (V) (min) 0
VOUT1 (V) (max) -100
IOUT1 (A) (max) 1
Switch Type External
Preset VOUT (V) -5
Output Adjust. Method Resistor
# DC-DC Outputs 1
Switching Frequency (kHz) 300
Package/Pins PDIP/8SOIC (N)/8
BudgetaryPrice (See Notes) 2.71


MAX774CSA+ Semiconductors - ICs by Analog Devices

IC SWITCHING REG DC-DC SOIC8 774

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

Specifications

Supply Voltage Min 3V
Supply Voltage Max 16.5V
No. of Outputs 1 Output, 1Outputs
Duty Cycle (%) -
Controller IC Case Style SOIC
No. of Pins 8Pins
Switching Frequency 300kHz
Topology Inverting
Operating Temperature Min 0°C
Operating Temperature Max 70°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)
Base Number 774
Frequency 300kHz
IC Temperature Range Commercial
Logic Function Number 774
Operating Temperature Range 0°C to +70°C
Output Current 250mA
Output Current Max 1A
Output Voltage -5V
Power Supply IC Type Switching regulator
Primary Input Voltage 5V
Voltage Regulator Type Inverting

Alternative Descriptions

-5V/-12V/-15V or Adjustable, H | Analog Devices
Ic, Switching Reg Dc-Dc, Soic8, 774 | Newark Electronics
IC, SWITCHING REG DC-DC, SOIC8, 774 | element14
Adjustable Low IQ DC-to-DC Controllers | RS

Frequently Asked Questions

Where can I find additional details, specifications and documents for a MAX774CSA+ ?

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Is the MAX774CSA+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

Which authorised distributors for MAX774CSA+ have stock available?

Authorised distributors including Analog Devices, Newark Electronics, element14, Farnell and RS have stock available or on a lead time for MAX774CSA+ .

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