ML4825CP Micro Linear, ML4825CP Datasheet
ML4825CP
Available stocks
Related parts for ML4825CP
ML4825CP Summary of contents
Page 1
High Frequency Power Supply Controller GENERAL DESCRIPTION The ML4825 High Frequency PWM Controller controller optimized for use in Switch Mode Power Supply designs running at frequencies to 1MHz. Propagation delays are minimal through the comparators and logic ...
Page 2
ML4825 PIN CONFIGURATION ML4825 16-Pin PDIP 16-Pin SOIC INV E/A OUT 3 14 CLOCK RAMP TOP VIEW PIN DESCRIPTION (Pin ...
Page 3
ABSOLUTE MAXIMUM RATINGS Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. Supply Voltage ( ........................................... 30V C, CC ...
Page 4
ML4825 ELECTRICAL CHARACTERISTICS PARAMETER ERROR AMPLIFIER (Continued) CMRR PSRR Output Sink Current Output Source Current Output High Voltage Output Low Voltage Unity Gain Bandwidth Slew Rate PWM COMPARATOR Ramp Bias Current Duty Cycle Range E/A OUT Zero DC Threshold Delay ...
Page 5
FUNCTIONAL DESCRIPTION OSCILLATOR The ML4825 oscillator charges the external capacitor (C with a current (I ) equal to 3/R . When the capacitor SET SET voltage reaches the upper threshold (Ramp Peak), the comparator changes state and the capacitor discharges ...
Page 6
ML4825 ERROR AMPLIFIER The ML4825 error amplifier is a 5.5MHz bandwidth 12V/ s slew rate op-amp with provision for limiting the positive output voltage swing (Output Inhibit line) for ease in implementing the soft start function. OUTPUT DRIVER STAGE The ...
Page 7
TIME (ns) Figure 9. Rise/Fall Time (C = 1000pF –60 –40 – 100 TEMPERATURE (°C) Figure ...
Page 8
PHYSICAL DIMENSIONS 16 PIN 0.02 MIN (0.50 MIN) (4 PLACES) 0.170 MAX (4.32 MAX) 0.125 MIN (3.18 MIN) 0.400 - 0.414 (10.16 - 10.52) 16 PIN 0.024 - 0.034 (0.61 - 0.86) (4 PLACES) ...
Page 9
... BSC (1.27 BSC) 0.026 - 0.032 (0.66 - 0.81) 0.013 - 0.021 (0.33 - 0.53) ORDERING INFORMATION PART NUMBER ML4825CP ML4825CS ML4825CQ ML4825IP ML4825IS ML4825IQ © Micro Linear 1997 is a registered trademark of Micro Linear Corporation Products described in this document may be covered by one or more of the following patents, U.S.: 4,897,611; 4,964,026; 5,027,116; 5,281,862; 5,283,483; 5,418,502; 5,508,570; 5,510,727; 5,523,940; ...