L6574 STMicroelectronics, L6574 Datasheet
L6574
Specifications of L6574
L6574
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L6574 Summary of contents
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... An integrated bootstrap section, eliminating the nor- mally required bootstrap diode and the zener clamp- ing on Vs, makes the L6574 well suited for low cost applications where few additional components are needed to build a high performance ballast. V ...
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... L6574 PIN CONNECTION (top view) THERMAL DATA Symbol R Thermal Resistance Junction to ambient th j-amb PIN DESCRIPTION N° Pin 1 CPRE Preheat Timing Capacitor. The capacitor C according to the relations: t 0.15s/ F). This feature is obtained by charging CPRE with two different currents. During tPRE this current is independent of the external components, so CPRE is charged up to 3.5V (preheat timing comparator threshold) ...
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... T Ambient Temperature amb (*) The device has an internal Clamping Zener between GND and the V a Low Impedance Voltage Source. Note: ESD immunity for pins 14, 15 and 16 is guaranteed up to 900V (Human Body Model) Function Parameter L6574 Value Unit VBOOT -18 V ...
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... L6574 RECOMMENDED OPERATING CONDITIONS Symbol V Supply Voltage S V (*) High Side Reference OUT V (*) Floating Supply Voltage BOOT (*) If the condition Vboot - Vout < guaranteed, Vout can range from -3 to 580V. ELECTRICAL CHARACTERISTCS (V = 12V 12V BOOT OUT Symbol Pin Parameter Supply Voltage Turn On Threshold suvp ...
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... Test Condition C = 330nF pre C = 330nF pre V = 0.2V out V = 4.5V out L6574 Min. Typ. Max. Unit 1.15 1.5 1. 0.115 0.15 0.185 s/ F 3.3 3.5 3.7 V ...
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... Short pulses (>200nsec) at the comparator inputs are rec- ognized. The EN1 input (active high) forces the L6574 in the shut down state (e.g. LVG low, HVG low, oscillator stopped) in the event of an undervoltage condition. Normal operating condition is resumed after a power- off power-on sequence or when EN2 input is high ...
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... Figure 5. f ING f D98IN868 ING (KHz) 100 PRE = 50k Figure 6. f ING f D98IN869 PRE (KHz) 130 120 110 100 100 PRE , with R = 100k PRE ING f RING=100K 100 R vs. temperature. ING - 100 vs. temperature. PRE - 100 L6574 D98IN870 (KH ) PRE D98IN871 T(˚C) D98IN872 T(˚C) 7/10 ...
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... L6574 mm DIM. MIN. TYP. MAX. A 1.75 a1 0.1 0.25 0.004 a2 1.6 b 0.35 0.46 0.014 b1 0.19 0.25 0.007 C 0.5 c1 45˚ (typ.) D (1) 9.8 10 0.386 E 5.8 6.2 0.228 e 1.27 e3 8.89 F (1) 3.8 4 0.150 G 4.6 5.3 0.181 L 0.4 1.27 0.016 M 0.62 8˚(max.) S (1) D and F do not include mold flash or protrusions. Mold flash or potrusions shall not exceed 0.15mm (.006inch). ...
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... DIM. MIN. TYP. MAX. MIN. a1 0.51 0.020 B 0.77 1.65 0.030 b 0 8.5 e 2.54 e3 17.78 F 7.1 I 5.1 L 3.3 Z 1.27 inch MECHANICAL DATA TYP. MAX. 0.065 0.020 0.010 0.787 0.335 0.100 0.700 0.280 0.201 0.130 0.050 L6574 OUTLINE AND DIP16 9/10 ...
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... L6574 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice ...