sc1458bevb Semtech Corporation, sc1458bevb Datasheet
sc1458bevb
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sc1458bevb Summary of contents
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POWER MANAGEMENT Features Input voltage range — 2.5 to 5.5V Output voltages — 2.8V and 1.8V (SC1458A), 2.85V and 2.85V (SC1458B) Maximum output current — 300mA (each LDO) Low 200mV maximum dropout at 200mA load Quiescent current — 100μA (both ...
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... BROn = See Voltage Options Table for Details yyww = Datecode xxxx = Semtech Lot Number Ordering Information Device SC1458AWLTRT SC1458BWLTRT SC1458AEVB 6 SC1458BEVB Notes: 5 (1) Available in tape and reel only. A reel contains 3,000 devices. (2) Available in lead-free package only. Device is WEEE and RoHS compliant. 4 Voltage Options Device ...
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Absolute Maximum Ratings V ( ...
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Electrical Characteristics (continued) Parameter Symbol (2) Power Supply Rejection Ratio PGOOD Delay (3) (3) PGOOD Threshold V Start-Up Time Power Up Delay Between LDOA and LDOB Under Voltage Lockout UVLO Hysteresis V Over Temperature Protection Threshold Over Temperature Hysteresis Digital ...
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Typical Characteristics Load Regulation LDOA V = 2.5V 3.6V OUTA =85 ° 2.5 2 ° 1.5 ° 100 ...
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Typical Characteristics (continued) PSRR vs. Frequency V = 2.5V 50mA OUT OUT 0 -10 -20 -30 -40 -50 -60 -70 10 100 Frequency (Hz) Output Noise vs. Load Current V = 2.5V 3.6V OUT ...
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Pin Descriptions Pin # Pin Name SC1458A SC1458B 1 1 OUTB 2 2 VIN 3 3 OUTA 4 4 GND PGOOD 6 BYP Thermal T T Pad Pin Function Output for LDOB Input supply voltage terminal ...
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Block Diagram VIN 2 GND 4 Power On And Bandgap Control Reference Logic SC1458A ENA LDOA ENB LDOB SC1458 5 EN SC1458B BYP or 6 PGOOD 3 OUTA 1 OUTB 8 ...
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Applications Information General Description The SC1458 is a dual output linear regulator intended for applications where low dropout voltage, low supply current, and low output noise are critical. The device provides a very simple, low cost solution for two separate ...
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Applications Information (continued) until the fault is removed and the load current returns to a specifi ed level. Component Selection A capacitance of 1μF or larger on each output is recommended to ensure stability. Ceramic capacitors of type X5R or ...
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Applications Information (continued) PCB Layout Considerations While layout for linear devices is generally not as critical as for a switching application, careful attention to detail will ensure reliable operation. • Attach the part to a large copper footprint, particularly the ...
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Outline Drawing — MLPD-W6 3x3 A PIN 1 INDICATOR (LASER MARK) aaa LxN E/2 N D/2 NOTES: 1. CONTROLLING DIMENSIONS ARE IN MILLIMETERS (ANGLES IN DEGREES). 2. COPLANARITY APPLIES TO THE EXPOSED PAD AS WELL AS TERMINALS. ...
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... FAILURE MAY COMPROMISE THE THERMAL AND/OR FUNCTIONAL PERFORMANCE OF THE DEVICE. Contact Information DIM Semtech Corporation Power Mangement Products Division 200 Flynn Road, Camarillo, CA 93012 Phone: (805) 498-2111 Fax: (805) 498-3804 www.semtech.com SC1458 DIMENSIONS INCHES MILLIMETERS (.116) (2.95) .087 2.20 .094 2.40 .063 1 ...