LT1930

PRODUCTION

1A, 1.2MHz/2.2MHz, Step-Up DC/DC Converters in ThinSOT

Part Models
4
1ku List Price
Starting From $2.69
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Part Details

  • 1.2MHz Switching Frequency (LT1930)
  • 2.2MHz Switching Frequency (LT1930A)
  • Low VCESAT Switch: 400mV at 1A
  • High Output Voltage: Up to 34V
  • 5V at 480mA from 3.3V Input (LT1930)
  • 12V at 250mA from 5V Input (LT1930A)
  • Wide Input Range: 2.6V to 16V
  • Uses Small Surface Mount Components
  • Low Shutdown Current: <1µA
  • Low Profile (1mm) ThinSOT Package
  • Pin-for-Pin Compatible with the LT1613
LT1930
1A, 1.2MHz/2.2MHz, Step-Up DC/DC Converters in ThinSOT
Figure 1. 5V to 12V, 300mA Step-Up DC/DC Converter Efficiency Product Package 1
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Documentation

Data Sheet

This is the most up-to-date revision of the Data Sheet.

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Hardware Ecosystem

Parts Product Life Cycle Description
Surge Stopper, Overvoltage, and Overcurrent Protection 1
LTC4365 RECOMMENDED FOR NEW DESIGNS Overvoltage, Undervoltage and Reverse Supply Protection Controller
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Tools & Simulations

LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.


Evaluation Kits

eval board
DC634A

LT1930AES5 Demo Board | APD Bias Supply, 3V to 5.5V Input, VOUT = 30V to 90V @ Up to 2mA

Product Details

Demonstration circuit 634 is a low noise avalanche photodiode (APD) bias supply featuring the LT1930A. This circuit takes an input voltage from 3V to 5.5V and provides 90V@2mA at the output (0V control voltage). The output voltage can be adjusted from 90V down to 30V by increasing the control voltage (4.5V max), which effectively changes the current into the feedback node to adjust the output voltage.

eval board
DC383B

LTC1930ES5/LTC1931ES5 Demo Board | 3 Circuits: Boost/SEPIC/Inverter, 5VIN to 12VOUT1 @300mA, 10V-16VIN to 12VOUT2 @300mA, 12VIN to -12VOUT3 @350mA

Product Details

Demonstration Circuit 383B is multipurpose demonstration board featuring the LT1930 and LT1931. The demo board offers three separate DC/DC converters. The Boost circuit is designed to convert a 5V input to 12V output at 300mA maximum load. The SEPIC circuit generates a 12V/300mA output from a 10V~16V variable input. The Inverter circuit is designed for applications requiring -12V/350mA from a positive 12V input.

eval board
DC397A

LT1930AES5/LT1931AES5 Demo Board | 3 Circuits: Boost/SEPIC/Inverter: 5VIN to 12VOUT1 @ 250mA, 10V-16VIN to 12VOUT2 @ 250mA, 12VIN to -12VOUT3 @ 250mA

Product Details

Demonstration circuit 397 is a multipurpose DC/DC switching regulator using the LT1930A and LT1931A voltage regulators in a SOT-23 package. The demo board offers three separate DC/DC converters for different applications needs. The boost circuit is designed to convert a 5V input to 12V output at 250mA maximum load. The SEPIC circuit generates a constant 12V/250mA (max load) output with a 10V~16V variable input. The inverter circuit is de-signed for applications requiring negative 12V/250mA (max load) from a positive 12V input. All three circuits are designed to demonstrate fast switching frequency (2.2MHz), an internal 36V/1A switch, wide input range, and small circuit size.

DC634A
LT1930AES5 Demo Board | APD Bias Supply, 3V to 5.5V Input, VOUT = 30V to 90V @ Up to 2mA
DC634A Demo Board DC634A Demo Board DC634A Demo Board DC634A Demo Board DC634A Demo Board DC634A - Schematic
DC383B
LTC1930ES5/LTC1931ES5 Demo Board | 3 Circuits: Boost/SEPIC/Inverter, 5VIN to 12VOUT1 @300mA, 10V-16VIN to 12VOUT2 @300mA, 12VIN to -12VOUT3 @350mA
DC383B - Schematic
DC397A
LT1930AES5/LT1931AES5 Demo Board | 3 Circuits: Boost/SEPIC/Inverter: 5VIN to 12VOUT1 @ 250mA, 10V-16VIN to 12VOUT2 @ 250mA, 12VIN to -12VOUT3 @ 250mA
DC397A - Schematic

Reference Designs

Figure 1. CN0556 Simplified Block Diagram
CN0556 Circuits from the lab

Programmable High Current and Voltage Source/Sink Power Supply

Features and Benefits

  • High Efficiency Buck or Boost DC-DC Converter
  • 14 V to 56 V Buck Input Voltage and 8 V to 14 V Boost Input Voltage
  • Fully Programmable Bidirectional Control and Monitoring
  • Seamless Buck-to-Boost Transition and Vice Versa
  • Buck Mode: 35 A Maximum Output Current
  • Boost Mode: 10 A Maximum Output Current
  • Undervoltage, Overvoltage, Overcurrent, and Reverse Current Protection
CN0556
Programmable High Current and Voltage Source/Sink Power Supply
Figure 1. CN0556 Simplified Block Diagram
EVAL-CN0556-EBZ Evaluation Board - Angle View
EVAL-CN0556-EBZ Evaluation Board  - Top View
EVAL-CN0556-EBZ Evaluation Board - Bottom View

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