
UBA2021T
630 V driver IC for CFL and TL lamps
The UBA2021 is a high voltage IC intended to drive and control Compact Fluorescent Lamps (CFL) or fluorescent TL lamps. It contains a driver circuit for an external half-bridge, an oscillator and a control circuit for starting up, preheating, ignition, lamp burning and protection
| Symbol | Parameter | Conditions | Min | Typ/Nom | Max | Unit |
|---|---|---|---|---|---|---|
| VFS | high side floating supply voltage on pin FS | operating | 570 | V | ||
| VFS | high side floating supply voltage on pin FS | IFS < 15 µA; tp < 0.5 s | 630 | V | ||
| VDD | supply voltage | 12.5 | V | |||
| Tj | junction temperature | -40 | 150 | °C | ||
| fff | feed-forward frequency | II(RHV) = 0.75 mA | 63.6 | kHz | ||
| fff | feed-forward frequency | II(RHV) = 1 mA | 84.5 | kHz | ||
| Plamp | burner power | 150 | W | |||
| tno | non-overlap time | 1.4 | µs | |||
| Vmains | mains voltage | 120 | 230 | V |
| Type number | Orderable part number | Ordering code (12NC) | Product status | Package | Packing | Marking |
|---|---|---|---|---|---|---|
| UBA2021T/N2 | UBA2021T/N2,518 | 9352 112 50518 | Volume production | SOT108-1 (SO14) | Reel Dry Pack, SMD, 13" | Standard Marking |
| UBA2021T/N2 | UBA2021T/N2,512 | 9352 112 50512 | Volume production | SOT108-1 (SO14) | Tube Dry Pack | Standard Marking |
| Pin | Symbol | Description | Simplified outline | Graphic symbol |
|---|---|---|---|---|
| 1 | FS | high side floating supply voltage | ![]() | ![]() |
| 2 | G1 | gate high transistor (T1) | ||
| 3 | S1 | source high transistor (T1) | ||
| 4 | n.c. | high-voltage spacer, not to be connected | ||
| 5 | VS | low voltage supply | ||
| 6 | G2 | gate low transistor (T2) | ||
| 7 | PGND | power ground | ||
| 8 | CP | timing/averaging capacitor | ||
| 9 | RS | current monitoring input | ||
| 10 | RREF | reference resistor | ||
| 11 | SGND | signal ground | ||
| 12 | CF | oscillator capacitor | ||
| 13 | RHV | start-up resistor/feed-forward resistor | ||
| 14 | CI | integrating capacitor |
| Type number | Orderable part number | Chemical content | RoHS | Leadfree conversion date | RHF | IFR (FIT) | MTBF (hours) | MSL | MSL LF |
|---|---|---|---|---|---|---|---|---|---|
| UBA2021T/N2 | UBA2021T/N2,518 | UBA2021T/N2 | week 11, 2004 | 1 | 2 | ||||
| UBA2021T/N2 | UBA2021T/N2,512 | UBA2021T/N2 | week 11, 2004 | 1 | 2 |
| Type | Format | Title | Date |
|---|---|---|---|
| Data sheet | 630 V driver IC for CFL and TL lamps (v.4.0) | 2008-07-25 | |
| Application note | CFL 13 W demo PCB with UBA2021 for integrated lamp-ballast designs (v.2.0) | 2008-12-30 | |
| Application note | TL application with UBA2014 (v.1.0) | 2010-12-09 | |
| Application note | SMPS EMC and layout guidlines (v.1.0) | 2011-02-18 | |
| Application note | TL applications with NXP ballast controllers (v.1.0) | 2011-09-15 | |
| Leaflet | Optimize the cost, size, and efficiency of fluorescent lighting; NXP Driver ICs for CFL/HF-TL applications (v.1.0) | 2009-08-01 | |
| Logo | gif | GreenChip logo (v.1.0) | 2012-04-20 |
| User manual | HF-TL ballast with UBA2021 for TLD58W lamp (v.1.0) | 2009-10-12 | |
| User manual | UBA2021 evaluation board (v.1.0) | 2010-11-02 |
Sample orders normally take 2-4 days for delivery.
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