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MAX8630ZETD18+T from MAXIM, MAXIM - Dallas Semiconductor 600pcs , QFN,125mA 1x/1.5x Charge Pumps for 5 White LEDs in 3mm x 3mm TDFN
Partno Mfg Dc Qty Available
MAX8630ZETD18+T MAXIM N/a 600
FeaturesThe MAX8630Y/MAX8630Z charge pumps drive up to 5 ♦ 93% Max/85% Avg. Efficiency (P /P ) OverLED BATTwhite LEDs with regulated constant current up to 125mA Li+ Battery Dischargetotal. By utilizing adaptive 1x/1.5x charge-pump modes♦ 1% LED Current Accuracyand very low-dropout current regulators, they achieve♦ 125mA Total Drive Capabilityhigh efficiency over the full 1-cell Li+ battery input volt-♦ Adaptive 1x/1.5x Mode Switchoverage range. The 1MHz fixed-frequency switching allows♦ Single-Wire, Serial-Pulse Dimming (MAX8630Z)for tiny external components, and the regulation schemeIndependent On/Off/Dimming for Main and Subis optimized to ensure low EMI and low input ripple. AnLinear—Full, 31/32nd, 30/32nd, … 1/32ndintegrated derating function protects the LEDs fromoverheating during high ambient temperatures.♦ Direct-PWM Dimming (MAX8630Y)The MAX8630Y/MAX8630Z are factory trimmed for full- ♦ 15, 18, 20, and 25mA Full-Scale Versionsscale LED current options of 15mA, 18mA, 20mA, and♦ Low 0.1µA Shutdown Current25mA. The MAX8630Z uses two enable inputs (ENM for♦ Soft-Start Eliminates Inrush Current3 main LEDs and ENS for 2 sub LEDs) for simple on/off♦ Output Overvoltage Protectioncontrol and single-wire, serial-pulse dimming in 32 linear♦ Thermal-Derating Function Protects LEDssteps. The MAX8630Y uses a single direct PWM input(PWM) to control all 5 LEDs with DC current proportional♦ 14-Pin, 3mm x 3mm TDFN Packageto the PWM duty cycle. If both ENM and ENS (or PWM)are kept low for more than 4ms, the MAX8630_ entersOrdering Informationshutdown. The MAX8630Y/MAX8630Z are available in aPIN- TOP PKG14-pin, 3mm x 3mm TDFN package (0.8mm max height).PARTPACKAGE MARK CODE

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