Datasheet Details
| Part number | IZ9921 |
|---|---|
| Manufacturer | Integral |
| File Size | 143.71 KB |
| Description | HIGH-VOLTAGE LED DRIVER |
| Download | IZ9921 Download (PDF) |
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| Part number | IZ9921 |
|---|---|
| Manufacturer | Integral |
| File Size | 143.71 KB |
| Description | HIGH-VOLTAGE LED DRIVER |
| Download | IZ9921 Download (PDF) |
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Contact pad number Symbol 01 TST Test pad 02 PR3 Test pad 03 PR2 Test pad 04 TR Test pad 05 PR1 Test pad 06 PR4 Test pad 07 UDD Supply voltage pad 08 TU Test pad 09 GND Ground 10 PU1 Test pad 11 PU2 Test pad 12 PU3 Test pad 13 DRAIN MOSFET switch drain pad 14 GND Ground Description Note – 1 Contact pad 01 - 06, 08, 10, 11, 12, 14 (test pads) are used for testing process on manufacturing fab only (have not to be bonded by customer).
2 Contact pad 09, 14 (Ground) are electrically connected Ver.00/19.01.2009 1 IZ9921-TSe+ 431104 Functional Block Diagram GND VREF2 Reference voltage source VREF1 + RC-oscillator (TOFF = 10 µS) SQ RQ Delay line IZ9921, IZ9922, IZ9923 VDD DRAIN HVNMOS Regulator D1 D4 R1 D2 D3 - NMOS +& R2 R Fig 1 – Block diagram Ver.00/19.01.2009 2 IZ9921-TSe+ 431104 IZ9921, IZ9922, IZ9923 Table 1 – Recommended operation conditions Symbol Parameter Min Max Unit VDRAIN Input voltage Table 2 – Absolute maximum rating
IZ9921, IZ9922, IZ9923 HIGH-VOLTAGE LED DRIVER WITH BUILT-IN MOSFET SWITCH IZ9921, IZ9922, IZ9923 are high-voltage LED driver control ICs with built-in MOSFET switch and intended for LED lighting control.
They allow efficient operation of LED strings from voltage sources ranging up to 400VDC.
The IZ9921/22 includes an internal high-voltage switching MOSFET controlled with fixed off-time TOFF of approximately 10µs.
| Part Number | Description |
|---|---|
| IZ9922 | HIGH-VOLTAGE LED DRIVER |
| IZ9923 | HIGH-VOLTAGE LED DRIVER |
| IZ9910 | Universal High-Voltage LED Driver |