ML4830CP MICRO-LINEAR [Micro Linear Corporation], ML4830CP Datasheet
ML4830CP
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ML4830CP Summary of contents
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GENERAL DESCRIPTION The ML4830 is a complete solution for a dimmable, high power factor, high efficiency electronic ballast. Contained in the ML4830 are controllers for “boost” type power factor correction as well as for a dimming ballast. The Power factor ...
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ML4830 PIN CONFIGURATION ML4830 20-PIN PDIP (P20) IA– OUT 2 19 I(SINE IA+/I(LIM LAMP F. LFB OUT 6 15 R(SET MODE 8 13 R(T)/C( INTERRUPT 10 11 ...
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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 Current (I ) ............................................... 75mA CC Output Current, ...
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ML4830 ELECTRICAL CHARACTERISTICS PARAMETER Oscillator Initial accuracy Voltage stability Temperature stability Total Variation Ramp Valley to Peak C(T) Charging Current (FM Modes) C(T) Discharge Current Output Drive Deadtime R(SET) Voltage Reference Section Output Voltage Line regulation Load regulation Temperature stability ...
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ELECTRICAL CHARACTERISTICS PARAMETER OVP/Inhibit Comparator (Pin 11) OVP Threshold Hysteresis Input Bias Current Propagation Delay Shutdown Threshold Shutdown Hysteresis PWM Comparator (PWM Mode) Start Period Duty Cycle Outputs Output Voltage Low Output Voltage High Output Voltage Low in UVLO Output ...
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ML4830 The output of the gain modulator appears as a voltage across the 14K resistor (Figure 1) on the positive terminal form the reference for the current error amplifier. When the loop is in regulation, the negative ...
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Mode Pin 8 Definition VCO GND Frequency Modulation VCO-O OPEN Overlapping VCO F.M. PWM VREF Pulse Width Modulation Table 1. ML4830 Operating Modes OSCILLATOR In Table 1 above, the two VCO frequency ranges are controlled by the output of the ...
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ML4830 IC BIAS, UNDER-VOLTAGE LOCKOUT AND THERMAL SHUTDOWN The IC includes a shunt regulator which will limit the voltage at VCC to 13 The IC should be fed with CCZ a current limited source, typically derived from the ...
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ON(MAX) CLOCK t CLK OUT OUT B Figure 6. Definition of Duty Cycles 6.8 3.4 R(X)/C(X) 1.2 0.65 0 HEAT DIMMING LOCKOUT 7.5 INT INHIBIT SEMI-STANDARD CAPABILITIES The ML4830 is designed to work in ...
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ML4830 APPLICATIONS Figure. 8 Typical Application: 2-Lamp Isolated Dimming Ballast with Active Power Factor Correction for 120VAC Input 10 IC1 ...
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APPLICATIONS (continued) The schematic (Figure 8) and the bill of materials on the following pages represents a complete parts list for the schematic (Figure 8). Designators refer to Micro Linear’s “rev B” PCB. TABLE 1: PARTS LIST FOR THE ML4830 ...
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... Secondary = 50 turns 30AWG magnet wire, start pin #5, end pin #8 12 MFR. Yageo Yageo Dale Tageo Yageo Bourns Motorola Motorola GI Motorola Micro Linear IR = 3mH, Custom Coils P/N 5037 or Coiltronics P/N CTX05-12539-1 PRI (Continued) PART NUMBER 100K-Q 681K-Q SMA4-10K-1 681K-Q 33-Q 3386P-253-ND 1N4007TR 1N4001TR BYV26C 1N4148TR ML4830CP IR720 ...
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TABLE 1: PARTS LIST FOR ML4830 TYPICAL APPLICATION MAGNETICS: (Continued) QTY. REF. DESCRIPTION Inductor, L PRI E24/25 core set, TDK PC40 material 10 pin horizontal bobbin (Plastron #0722B-31-80) Wind as follows: 1st: 170T of 25AWG magnet wire; ...
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ML4830 PHYSICAL DIMENSIONS 20 PIN 0.060 MIN (1.52 MIN) (4 PLACES) 0.170 MAX (4.32 MAX) 0.125 MIN (3.18 MIN) 14 inches (millimeters) Package: P20 20-Pin PDIP 1.010 - 1.035 (25.65 - 26.29) 0.240 - 0.260 (6.09 - ...
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... ORDERING INFORMATION PART NUMBER ML4830CP (EOL) ML4830CS (Obsolete) © 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; 5,546,017; ...