ISL78307 Datasheet, PDF (9/20 Pages) Intersil Corporation – Intersil’s Solutions for Industrial Process Control

INTERSIL SELECTION GUIDE | INDUSTRIAL PROCESS CONTROL SOLUTIONS
PLC
Analog Input
Analog Output
Control
Sensors
Power
High Performance
Single Ended
Current Mode PWM
Controller
Key Features
• 1A MOSFET Gate Driver
• 90μA Start-up Current, 125μA Maximum
• 35ns Propagation Delay Current Sense to Output
• Fast Transient Response with Peak Current Mode Control
• 30V Operation
• Adjustable Switching Frequency
• 20ns Rise and Fall Times with 1nF Output Load
• Trimmed Timing Capacitor Discharge Current for Accurate
Deadtime/Maximum Duty Cycle Control
• 1.5MHz Bandwidth Error Amplifier
• Tight Tolerance Voltage Reference Over Line, Load and
Temperature
• ±3% Current Limit Threshold
Single-Ended PWM Controller: ISL8840A
Tight Tolerance Voltage Reference Over Line, Load, and
Temperature
1.001
1.000
0.999
0.998
0.997
0.996
0.995-60 _{-40 -20}
0 20 40 60 80 100 120 140
TEMPERATURE (°C)
REFERENCE VOLTAGE vs TEMPERATURE
Evalboard
Available!
40V Precision Op Amp: ISL28208
40V Precision,
Low Power, Single
Supply, RRO Op Amp
Intersil’s ISL28208 is a high voltage precision,
low power op amp, featuring single power supply
operation and rail-to-rail output to provide full
output dynamic range to take take full advantage
of the ADC performance in precision applications
without compromise.
Key Features
• Wide Input Range
• Rail-to-Rail Output
• Single or Dual Supply
Operating
• Low Power - 250µA max
• Precision
-- Low Offset Voltage: 230µV max
-- Low Drift: 0.1µV/°C typ
• Low Noise
-- 15.8nV/√Hz @ 1kHz
-- 80fA/√Hz @ 1kHz
Typical Application Circuit
LOAD
R_IN-
R_SENSE
10kΩ
R_IN+
10kΩ
V_REF
R_F
100kΩ
IN- _-
V+
ISL28208
IN+ ₊
V-
+3V
to 40V
V_OUT
R_REF+
100kΩ
GAIN = 10
SINGLE-SUPPLY, LOW-SIDE
CURRENT SENSE AMPLIFIER
www.intersil.com/industrial_process_control | 9