UBA2211APN1 NXP [NXP Semiconductors], UBA2211APN1 Datasheet
UBA2211APN1
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UBA2211APN1 Summary of contents
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UBA2211 Half-bridge power IC family for CFL lamps Rev. 2 — 3 January 2011 1. General description The UBA2211 family of integrated circuits are a range of high voltage monolithic ICs for driving Compact Fluorescent Lamps (CFL) in half-bridge configurations. ...
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NXP Semiconductors 2.2 Burner lifetime Current controlled preheat with adjustable preheat time and preheat current Minimum glow time control to support cold start Lamp power independent from mains voltage variations Lamp inductor saturation protection during ignition 2.3 Safety Overtemperature protection ...
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NXP Semiconductors 5. Block diagram UBA2211 O(ref)RMS OTP osc RC 8(7) CONTROLLED OSCILLATOR C osc SW 1( burn state 2 X SGND 2( 10, 13) n.p. in the ...
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NXP Semiconductors 6. Pinning information 6.1 Pinning 1 SW SGND 2 UBA2211P 3 FS SENSE 4 014aab092 Fig 2. Pin configuration for UBA2211XP (SOT97-1) 6.2 Pin description Table 2. Symbol SW SGND FS SENSE OUT DVDT ...
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NXP Semiconductors 7. Functional description 7.1 Supply voltage The UBA2211 family is powered using the start-up current source and the V When the voltage on pin HV increases, the V internal Junction gate Field-Effect Transistor (JFET) current source. The voltage ...
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NXP Semiconductors The output voltage of the bridge changes with the falling edge of the signal on pin RC. The nominal half-bridge frequency is shown osc nom The maximum frequency is 2.5 × f internal LSPT and ...
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NXP Semiconductors 2.5 × f 0.6 × V Fig 5. 7.6 Ignition state The ignition state is entered after the preheat state has finished. The capacitor on pin charged During this frequency sweep, ...
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NXP Semiconductors T 1 × --------- - T osc Where T Taking the square root of both sides results in 1 × --------- - T osc or RMS V A constant current flows through the power switches and the lamp ...
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NXP Semiconductors 2.5 × f 0.6 × V Fig 6. 7.11 Saturation Current Protection (SCP) A critical parameter in the design of the lamp inductor is its saturation current. When the momentary inductor exceeds its saturation current, the inductance drops ...
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NXP Semiconductors 8. Limiting values Table 3. In accordance with the Absolute Maximum Rating System (IEC 60134). Symbol Parameter SENSE OUT I DVDT stg ...
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NXP Semiconductors 9. Thermal characteristics Table 4. Symbol R th(j-a) R th(j-c) [1] In accordance with IEC 60747-1 10. Characteristics Table 5. Characteristics ° all voltages are measured with respect to SGND; positive currents flow into ...
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NXP Semiconductors Table 5. Characteristics …continued ° all voltages are measured with respect to SGND; positive currents flow into the IC. j Symbol Parameter I saturation current sat Internal oscillator f internal oscillator frequency osc(int) f ...
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NXP Semiconductors 11. Application information D1 D4 L_N AC input R fuse L_L D2 D3 Fig 7. Application diagram UBA2211 Objective data sheet L FILT C OUT1 L lamp LAMP C lamp C BUF R osc C OUT2 C VDD ...
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NXP Semiconductors 12. Package outline DIP8: plastic dual in-line package; 8 leads (300 mil pin 1 index 1 DIMENSIONS (inch dimensions are derived from the original mm dimensions UNIT max. min. max. ...
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NXP Semiconductors SO14: plastic small outline package; 14 leads; body width 3 pin 1 index 1 e DIMENSIONS (inch dimensions are derived from the original mm dimensions) A UNIT max. ...
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NXP Semiconductors 13. Revision history Table 6. Revision history Document ID Release date UBA2211 v.2 20110103 • Modifications: Minor text changes throughout the document. • Figure 1 • Figure 7 • Table 3 • Table 5 UBA2211 v.1 20100628 UBA2211 ...
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NXP Semiconductors 14. Legal information 14.1 Data sheet status [1][2] Document status Product status Objective [short] data sheet Development Preliminary [short] data sheet Qualification Product [short] data sheet Production [1] Please consult the most recently issued document before initiating or ...
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NXP Semiconductors Non-automotive qualified products — Unless this data sheet expressly states that this specific NXP Semiconductors product is automotive qualified, the product is not suitable for automotive use neither qualified nor tested in accordance with automotive testing ...
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NXP Semiconductors 16. Contents 1 General description . . . . . . . . . . . . . . . . . . . . . . 1 2 Features and benefits . . . . . . ...