Semiconductor Group 25 1998-11-01
Short Description TLE 4470
Features
• Dual low-drop voltage regulator
• Main output adjustable
• Very low quiescent current consumption
• Early warning comparator
• Adjustable reset time
• Adjustable reset threshold
• Short-circuit protection
• Over temperature protection
• Inhibit disables main output
• Reverse polarity proof
• Reset function down to 1V (output voltage)
SMD = Surface Mounted Device
Type Ordering Code Package
TLE 4470 GS Q67006-A9309 P-DSO-14-4
TLE 4470 G Q67006-A9308 P-DSO-20-6
Operating Range
Parameter Symbol Limit Values Unit
Supply voltage VS45 V
Output current IQ1 180 mA
Output current IQ2 350 mA
Absolute Maximum Ratings
Parameter Symbol Limit Values Unit
Supply voltage VS– 42 to 45 V
Junction temperature Tj– 40 to 150 °C
Electrical Characteristics
Parameter Symbol Limit Values Unit Remarks
min. typ. max.
Output voltage VQ1 4.90 5.00 5.10 V –
Output voltage main regulator VQ2 VQ1-25 – VQ1+25 mV –
Accuracy – – 2 – + 2 % –
Drop voltage VDr1 – 0.3 0.5 V IQ= 200 mA
Quiescent current main output off Iq1 – 100 200 µAIQ=1mA
Block Diagram
AEB02278
Self protection
Over temperature
Reverse polarity
Short circuit
Linear regulator
Main output
disable
ESD protection
Early warning
Comparator Threshold adjust
Time adjust
Reset
P-DSO-20-6 P-DSO-14-4