Datasheet LTC7060 (Analog Devices)
| Fabricante | Analog Devices |
| Descripción | 100V Half Bridge Driver with Floating Grounds and Programmable Dead-Time |
| Páginas / Página | 18 / 1 — FEATURES. DESCRIPTION. Unique Symmetric Floating Gate Driver … |
| Formato / tamaño de archivo | PDF / 1.4 Mb |
| Idioma del documento | Inglés |
FEATURES. DESCRIPTION. Unique Symmetric Floating Gate Driver Architecture. High Noise Immunity,Tolerates ±10V Ground
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LTC7060 100V Half Bridge Driver with Floating Grounds and Programmable Dead-Time
FEATURES DESCRIPTION
n
Unique Symmetric Floating Gate Driver Architecture
The LTC®7060 drives N-Channel MOSFETs in a half-bridge n
High Noise Immunity,Tolerates ±10V Ground
configuration with supply voltages up to 100V. It features
Difference between Input and Output Grounds
supply independent 3-state PWM input logic. The unique n
100V Maximum Input Voltage Independent of IC
floating architecture makes the gate driver outputs robust
Supply Voltage VCC
and less sensitive to ground noise. The symmetric design n
6V to 14V VCC Operating Voltage
allows the half bridge switching node to be inverting or n
4V to 14V Gate Driver Voltage
non-inverting of the input logic. n
0.8Ω Pull-Down, 1.5Ω Pull-Up for Fast Turn-On/Off
With 0.8Ω pull-down and 1.5Ω pull-up capability, the n
Adaptive Shoot-Through Protection
strong outputs easily drive the large gate capacitances of n
Programmable Dead-Time
high voltage MOSFETs with very short transition times. n
Three-State PWM Input with Enable Pin
The adjustable turn-on and turn-off delays allow system n
VCC UVLO/OVLO and Floating Supplies UVLO
optimization for high efficiency and reliability. Adaptive n Drives Dual N-Channel MOSFETs shoot-through protection prevents current resulting from n Open-Drain Fault Indicator MOSFET cross-conduction. n Available in Thermally Enhanced 12-LEAD MSOP n AEC-Q100 Automotive Qualification in Progress Undervoltage lockout (UVLO) circuits on both the VCC supply and floating driver supplies turn off correspond- ing external MOSFETs and pull down the FLT pin when an
APPLICATIONS
undervoltage condition is present. n Automotive and Industrial Power Systems All registered trademarks and trademarks are the property of their respective owners. n Telecommunication Power Systems n Half-Bridge and Full-Bridge Converters
TYPICAL APPLICATION
VIN 40V VCC BGVcc BST 10V Vcc TG EN 40V 51k SW FLT SW1 LTC7060 0V PWM BG DT BGRTN SGND 5V PWM VIN 0V 40V VCC BST BGVCC 10V Vcc BG EN 40V 51k BGRTN FLT SW2 LTC7060 PWM TG 0V DT SW SGND 7060 TA01 Rev. 0 Document Feedback For more information www.analog.com 1 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagram Operation Applications InformatioN Typical Applications Package Description Typical Application Related Parts
FEATURES DESCRIPTION
n
Unique Symmetric Floating Gate Driver Architecture
The LTC®7060 drives N-Channel MOSFETs in a half-bridge n
High Noise Immunity,Tolerates ±10V Ground
configuration with supply voltages up to 100V. It features
Difference between Input and Output Grounds
supply independent 3-state PWM input logic. The unique n
100V Maximum Input Voltage Independent of IC
floating architecture makes the gate driver outputs robust
Supply Voltage VCC
and less sensitive to ground noise. The symmetric design n
6V to 14V VCC Operating Voltage
allows the half bridge switching node to be inverting or n
4V to 14V Gate Driver Voltage
non-inverting of the input logic. n
0.8Ω Pull-Down, 1.5Ω Pull-Up for Fast Turn-On/Off
With 0.8Ω pull-down and 1.5Ω pull-up capability, the n
Adaptive Shoot-Through Protection
strong outputs easily drive the large gate capacitances of n
Programmable Dead-Time
high voltage MOSFETs with very short transition times. n
Three-State PWM Input with Enable Pin
The adjustable turn-on and turn-off delays allow system n
VCC UVLO/OVLO and Floating Supplies UVLO
optimization for high efficiency and reliability. Adaptive n Drives Dual N-Channel MOSFETs shoot-through protection prevents current resulting from n Open-Drain Fault Indicator MOSFET cross-conduction. n Available in Thermally Enhanced 12-LEAD MSOP n AEC-Q100 Automotive Qualification in Progress Undervoltage lockout (UVLO) circuits on both the VCC supply and floating driver supplies turn off correspond- ing external MOSFETs and pull down the FLT pin when an
APPLICATIONS
undervoltage condition is present. n Automotive and Industrial Power Systems All registered trademarks and trademarks are the property of their respective owners. n Telecommunication Power Systems n Half-Bridge and Full-Bridge Converters
TYPICAL APPLICATION
VIN 40V VCC BGVcc BST 10V Vcc TG EN 40V 51k SW FLT SW1 LTC7060 0V PWM BG DT BGRTN SGND 5V PWM VIN 0V 40V VCC BST BGVCC 10V Vcc BG EN 40V 51k BGRTN FLT SW2 LTC7060 PWM TG 0V DT SW SGND 7060 TA01 Rev. 0 Document Feedback For more information www.analog.com 1 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagram Operation Applications InformatioN Typical Applications Package Description Typical Application Related Parts