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AL3159 Datasheet(PDF) 3 Page - Diodes Incorporated |
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AL3159 Datasheet(HTML) 3 Page - Diodes Incorporated |
3 / 10 page AL3159 HIGH EFFICIENCY 1x/2x CHARGE PUMP FOR WHITE LED APPLICATIONS AL3159 Document number: DS35048 Rev. 2 - 2 3 of 10 www.diodes.com January 2011 © Diodes Incorporated Absolute Maximum Ratings (Note 2) Symbol Description Rating Unit ESD HBM Human Body Model ESD Protection 2 KV ESD MM Machine Model ESD Protection 200 V VIN Input Voltage -0.3 to 6 V VCTL1,2,3 CTL1, CTL2, CTL3 to GND Voltage -0.3 to VIN +0.3 V IOUT Maximum DC Output Current 270 mA TJ Operating Junction Temperature Range 150 °C TLEAD Maximum Soldering Temperature (at leads, 10 sec) 300 °C Notes: 2. Exceeding Absolute Maximum Ratings will cause permanent damage to the device. Recommended Operating Conditions Symbol Parameter Min Max Unit VIN Input Voltage 2.7 5.5 V TA Operating Ambient Temperature -40 85 °C Electrical Characteristics (TA = 25°C, VIN = 3.6V, CIN = COUT = 2.2µF, C1 = 1µF Unless otherwise noted) Symbol Parameter Test Conditions Min Typ. Max Unit IQ Quiescent Current 1x Mode, 3.0≤VIN≤5.5, Active, No Load Current 0.3 0.6 mA 2x Mode, 3.0≤VIN≤5.5, Active, No Load Current 2 5 ISHDN Shutdown Current CTL1, CTL2 and CTL3 = 0 1 µA IDX ISINK Current Accuracy (Note 3) 19 20 21 mA ID-Match Current Matching Between Any Two Current Sink Inputs (Note 4) VF: D1:D9 = 3.6V 1 2 % Rout Open Loop VOUT Resistance 1x mode 0.5 Ω 2 x mode 4.5 VTH 1x to 2x Transition Threshold at Any ISINK Pin IDX = 20mA 150 mV VHS Mode Transition Hysteresis 250 mV TSS Soft-Start Time 100 µs Fsw Switching Frequency 1.2 MHz VCTL1, 2,3 (L) CTL1,2,3 Threshold Low VIN = 2.7V 0.4 V VCTL1,2,3(H) CTL1,2,3 Threshold High VIN = 5.5V 1.4 V TCTL1,2,3 CTL1,2,3 Off Timeout 200 µs UVLO VIN Under-Voltage Lockout 1.8 2 2.2 V ICTL1,2,3 CTL1,2,3 Input Leakage -1 1 µA TSHDN Thermal shutdown Protection 160 °C THYS Thermal shutdown hysteresis 10 °C θJA Thermal Resistance Junction-to- Ambient QFN3030-20 (Note 5) 48 oC/W Notes: 3. Determined by the average current levels of all active channels 4. Defined as the deviation of any sink current from the average of all active current channels. 5. Device mounted on FR-4 substrate, 2"*2", 2oz copper, double-sided PC board, with minimum recommended pad on top layer and 4 vias to bottom layer. |
Similar Part No. - AL3159_11 |
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Similar Description - AL3159_11 |
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