5V Low Power RS232 Transceiver with Shutdown Features: Operates from a Single 5V Supply Low Supply Current: ICC = 220µA ICC = 0.2µA in Shutdown Mode ESD Protection Over ±10kV Uses Small Capacitors: 0.1µF Operates to 120kBaud Output Overvoltage Does Not Force Current Back into Supplies RS232 I/O Lines Can Be Forced to ±25V Without Damage Pin Compatible with LT1180A

5V Low Power RS232 Transceiver with 2 Receivers Active in Shutdown Features: Operates from a Single 5V Supply Low Supply Current: Icc = 220µA ICC = 35µA in Shutdown Mode with Both Receivers Kept Alive ESD Protection Over ±10kV Uses Small Capacitors: 0.1µF Operates to 120kBaud Output Overvoltage Does Not Force Current Back into Supplies RS232 I/O Lines Can Be Forced to ±25V Without Damage Pin Compatible with LT1180A

5V Low Power RS232 Transceiver with 2 Receivers Active in Shutdown Features: Operates from a Single 5V Supply Low Supply Current: Icc = 220µA ICC = 35µA in Shutdown Mode with Both Receivers Kept Alive ESD Protection Over ±10kV Uses Small Capacitors: 0.1µF Operates to 120kBaud Output Overvoltage Does Not Force Current Back into Supplies RS232 I/O Lines Can Be Forced to ±25V Without Damage Pin Compatible with LT1180A

5V Low Power RS232 Transceiver with 2 Receivers Active in Shutdown Features: Operates from a Single 5V Supply Low Supply Current: Icc = 220µA ICC = 35µA in Shutdown Mode with Both Receivers Kept Alive ESD Protection Over ±10kV Uses Small Capacitors: 0.1µF Operates to 120kBaud Output Overvoltage Does Not Force Current Back into Supplies RS232 I/O Lines Can Be Forced to ±25V Without Damage Pin Compatible with LT1180A

3.3V Low Power EIA/TIA-562 Transceiver Features: Operates from a Single 3.3V Supply Low Supply Current: ICC = 200µA ICC = 35µA in Driver Disable Mode ICC = 0.2µA in Shutdown Mode ESD Protection Over ±10kV Uses Small Capacitors: 0.1µF Operates to 120kBaud Output Overvoltage Does Not Force Current Back into Supplies EIA/TIA-562 I/O Lines Can Be Forced to ±25V Without Damage Pin Compatible with LT 1180A

3.3V Low Power EIA/TIA-562 Transceiver Features: Operates from a Single 3.3V Supply Low Supply Current: ICC = 200µA ICC = 35µA in Driver Disable Mode ICC = 0.2µA in Shutdown Mode ESD Protection Over ±10kV Uses Small Capacitors: 0.1µF Operates to 120kBaud Output Overvoltage Does Not Force Current Back into Supplies EIA/TIA-562 I/O Lines Can Be Forced to ±25V Without Damage Pin Compatible with LT 1180A

3.3V Low Power EIA/TIA562 Transceiver Features: Operates from a Single 3.3V Supply Low Supply Current: ICC = 200µA ESD Protection Over ±10kV Available in 16-Pin SOIC Narrow Package Uses Small Capacitors: 0.1µF Operates to 120kBaud Output Overvoltage Does Not Force Current Back into Supplies EIA/TIA562 I/O Lines Can Be Forced to ±25V Without Damage Pin Compatible with LT1181A

Single 5V RS232/RS485 Multiprotocol Transceiver Features: Two RS232 Transceivers or One RS485 Transceiver Operates from a Single 5V Supply Guaranteed Receiver Output with Inputs Floating or Shorted to Ground Logic Selectable Fast/Slow RS485 Driver Slew Rate Low Supply Current: 7mA Typical 5µA Supply Current in Shutdown Self-Testing Capability in Loopback Mode Separate Driver and Receiver Enable Controls Driver Maintains High Impedance in Three-State, Shutdown or with Power Off Receiver Inputs Can Withstand ±25V

Single 5V RS232/RS485 Multiprotocol Transceiver Features: Two RS232 Transceivers or One RS485 Transceiver Operates from a Single 5V Supply Guaranteed Receiver Output with Inputs Floating or Shorted to Ground Logic Selectable Fast/Slow RS485 Driver Slew Rate Low Supply Current: 7mA Typical 5µA Supply Current in Shutdown Self-Testing Capability in Loopback Mode Separate Driver and Receiver Enable Controls Driver Maintains High Impedance in Three-State, Shutdown or with Power Off Receiver Inputs Can Withstand ±25V

Hot Swap Controller Features: Allows Safe Board Insertion and Removal from a Live Backplane System Reset and Power Good Control Outputs Programmable Electronic Circuit Breaker User Programmable Supply Voltage Power-Up Rate High Side Driver for Two External N-Channels Controls Supply Voltages from 3V to 12V Connection Inputs Detect Board Insertion or Removal Undervoltage Lockout Power-On Reset Input

Hot Swap Controller Features: Allows Safe Board Insertion and Removal from a Live Backplane System Reset and Power Good Control Outputs Programmable Electronic Circuit Breaker User Programmable Supply Voltage Power-Up Rate High Side Driver for Two External N-Channels Controls Supply Voltages from 3V to 12V Connection Inputs Detect Board Insertion or Removal Undervoltage Lockout Power-On Reset Input

Hot Swap Controller Features: Allows Safe Board Insertion and Removal from a Live Backplane System Reset and Power Good Control Outputs Programmable Electronic Circuit Breaker User Programmable Supply Voltage Power-Up Rate High Side Driver for Two External N-Channels Controls Supply Voltages from 3V to 12V Connection Inputs Detect Board Insertion or Removal Undervoltage Lockout Power-On Reset Input

High Power Step-Down Switching Regulator Controller Features: High Power 5V to 3.xV Switching Controller: Can Exceed 10A Output All N-Channel External MOSFETs Constant Frequency Operation - Small Inductors Excellent Output Regulation: ±1% Over Line, Load and Temperature Variations High Efficiency: Over 95% Possible Fixed Frequency Operation No Low Value Sense Resistor Needed Outputs Can Drive External FETs with Up to 10,000pF Gate Capacitance Quiescent Current: 350µA Typ, 1µA in Shutdown Fast Trasient Response Adjustable or fixed 3.3 V Output Available in 8- and 16- Lead PDIP and SO Packages

High Power Step-Down Switching Regulator Controller Features: High Power 5V to 3.xV Switching Controller: Can Exceed 10A Output All N-Channel External MOSFETs Constant Frequency Operation - Small Inductors Excellent Output Regulation: ±1% Over Line, Load and Temperature Variations High Efficiency: Over 95% Possible Fixed Frequency Operation No Low Value Sense Resistor Needed Outputs Can Drive External FETs with Up to 10,000pF Gate Capacitance Quiescent Current: 350µA Typ, 1µA in Shutdown Fast Trasient Response Adjustable or fixed 3.3 V Output Available in 8- and 16- Lead PDIP and SO Packages

High Power Step-Down Switching Regulator Controller Features: High Power 5V to 3.xV Switching Controller: Can Exceed 10A Output All N-Channel External MOSFETs Constant Frequency Operation - Small Inductors Excellent Output Regulation: ±1% Over Line, Load and Temperature Variations High Efficiency: Over 95% Possible Fixed Frequency Operation No Low Value Sense Resistor Needed Outputs Can Drive External FETs with Up to 10,000pF Gate Capacitance Quiescent Current: 350µA Typ, 1µA in Shutdown Fast Trasient Response Adjustable or fixed 3.3 V Output Available in 8- and 16- Lead PDIP and SO Packages

High Efficiency Low Noise Synchronous Step-Down Switching Regulator Features: Dual N-Channel MOSFET Synchronous Drive Programmable Fixed Frequency Wide VIN Range: 3.5V to 36V Operation Low Minimum On-Time (≤300ns) for High Frequency, Low Duty Cycle Applications Very Low Dropout Operation: 99% Duty Cycle Low Standby Current Secondary Feedback Control Programmable Soft Start Remote Output Voltage Sense Logic Controlled Micropower Shutdown: IQ <25µA Foldback Current Limiting (Optional) Current Mode Operation for Excellent Line and Load Transient Response Output Voltages from 1.19V to 9V Available in 16-Lead Narrow SO and SSOP Packages

High Efficiency Low Noise Synchronous Step-Down Switching Regulator Features: Dual N-Channel MOSFET Synchronous Drive Programmable Fixed Frequency Wide VIN Range: 3.5V to 36V Operation Low Minimum On-Time (≤300ns) for High Frequency, Low Duty Cycle Applications Very Low Dropout Operation: 99% Duty Cycle Low Standby Current Secondary Feedback Control Programmable Soft Start Remote Output Voltage Sense Logic Controlled Micropower Shutdown: IQ <25µA Foldback Current Limiting (Optional) Current Mode Operation for Excellent Line and Load Transient Response Output Voltages from 1.19V to 9V Available in 16-Lead Narrow SO and SSOP Packages

High Efficiency Low Noise Synchronous Step-Down Switching Regulator Features: Dual N-Channel MOSFET Synchronous Drive Programmable Fixed Frequency Wide VIN Range: 3.5V to 36V Operation Low Minimum On-Time (≤300ns) for High Frequency, Low Duty Cycle Applications Very Low Dropout Operation: 99% Duty Cycle Low Standby Current Secondary Feedback Control Programmable Soft Start Remote Output Voltage Sense Logic Controlled Micropower Shutdown: IQ <25µA Foldback Current Limiting (Optional) Current Mode Operation for Excellent Line and Load Transient Response Output Voltages from 1.19V to 9V Available in 16-Lead Narrow SO and SSOP Packages

High Efficiency Low Noise Synchronous Step-Down Switching Regulator Features: Dual N-Channel MOSFET Synchronous Drive Programmable Fixed Frequency Wide VIN Range: 3.5V to 36V Operation Ultrahigh Efficiency Very Low Dropout Operation: 99% Duty Cycle Low Standby Current Secondary Feedback Control Programmable Soft Start Remote Output Voltage Sense Logic Controlled Micropower Shutdown: IQ <25µA Foldback Current Limiting (Optional) Current Mode Operation for Excellent Line and Load Transient Response Output Voltages from 1.19V to 9V Available in 16-Lead Narrow SO and SSOP Packages

High Efficiency Low Noise Synchronous Step-Down Switching Regulator Features: Dual N-Channel MOSFET Synchronous Drive Programmable Fixed Frequency Wide VIN Range: 3.5V to 36V Operation Ultrahigh Efficiency Very Low Dropout Operation: 99% Duty Cycle Low Standby Current Secondary Feedback Control Programmable Soft Start Remote Output Voltage Sense Logic Controlled Micropower Shutdown: IQ <25µA Foldback Current Limiting (Optional) Current Mode Operation for Excellent Line and Load Transient Response Output Voltages from 1.19V to 9V Available in 16-Lead Narrow SO and SSOP Packages