ISL78307 Datasheet, PDF (7/20 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
Evalboard
Available!
Single Ended Controller
for Positive and Negative
Isolated Supplies
Key Features
• 1A MOSFET Gate Driver
• 60μA Start-up Current, 100μA Maximum
• 25ns Propagation Delay Current Sense to Output
• Fast Transient Response with Peak Current Mode Control
• Adjustable Switching Frequency to 2MHz
• 20ns Rise and Fall Times with 1nF Output Load
• Trimmed Timing Capacitor Discharge Current for Accurate
Deadtime/Maximum Duty Cycle Control
• High Bandwidth Error Amplifier
• Tight Tolerance Voltage Reference Over Line, Load, and
Temperature
• Tight Tolerance Current Limit Threshold
• Pb-Free Available (RoHS Compliant)
Refer to application note AN1612 to generate
positive and negative isolated supplies.
Single-Ended PWM Controller: ISL6844
Tight Tolerance Voltage Reference Over Line, Load, and
Temperature
1.001
1.000
0.999
0.998
0.997
0.996
0.995
-40 -25 -10
5 20 35 50 65 80 95 110
TEMPERATURE (°C)
Isolated HV Dual Power Supply
VIN
CIN
CS
RS
DS
1
n
n
OUT
CS
ISL6844
VDD
VIN
VREG
RSENSE
n
D1
COUT1
COUT2
D2
FB
CAUX
GND
+15V
-15V
40V, Low Quiescent
Current, 50mA Linear
Regulator
Key Features
• 18μA Typical Quiescent Current
• Guaranteed 50mA Output Current
• 1.8μA of Typical Shutdown Current
• Low Dropout Voltage of 120mV at 50mA
• Fixed +3.3V, +5.0V and Adjustable Output Voltage Options
• Thermal Shutdown and Current Limit Protection
• -40°C to +125°C Operating Temperature Range
• Thermally Enhanced 8 Ld Exposed Pad SOIC Package
• 6kV ESD HBM Rated
Linear Regulator: ISL78307
High Input Voltage (VIN = 40V)
VIN = 14V
CIN
0.1µF
IN
EN
(ISL78307)
OUT
VOUT = 12V
R1
ADJ
COUT
10µF
R2
GND
Low Quiescent Current (Iq = 18µA)
70
60
50
40
30
20
10
0
-50
LOAD = 50mA
LOAD = 0mA
0
50
100
150
TEMPERATURE (°C)
www.intersil.com/industrial_process_control | 7