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EZ1583 Datasheet(PDF) 3 Page - Semtech Corporation |
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EZ1583 Datasheet(HTML) 3 Page - Semtech Corporation |
3 / 5 page © 1999 SEMTECH CORP. 652 MITCHELL ROAD NEWBURY PARK CA 91320 DUAL INPUT LOW DROPOUT REGULATOR EZ1580/EZ1581 EZ1582/EZ1583 February 26, 1999 3 (1) Unless otherwise specified, V OUT = VSENSE, VADJ = 0V. (2) Required to maintain regulation. Voltage set resistors R1, R2 are usually utilized for minimum load current. (3) Current used to drive the output section; minimum value equals the standby current of the device. (4) V C = VP = 3.75V Avg; VRIPPLE = 1VPK-PK. (5) 30ms. (6) Over Temp (O.T.) = over specified operating junction temperature range. (7) Minimum input/output voltage required to maintain 1% regulation. ELECTRICAL CHARACTERISTICS Test Conditions (1) Test Limits Parameter Symbol V CNTL Volts V PWR Volts Amps T J (6) Min Typ Max Units Reference Voltage V REF 2.75 2.00 0.01 25°C 1.243 1.250 1.257 EZ1583 EZ1582 EZ1581 EZ1580 2.7 - 12 2.05 - 5.5 0.01 - 1.5 0.01 - 3.0 0.01 - 5.0 0.01 - 7.0 O.T. 1.237 1.250 1.263 V Line Regulation REG (LINE) 2.5 - 12 1.75 - 5.5 0.01 O.T. 1.0 3.0 mV Load Regulation EZ1583 EZ1582 EZ1581 EZ1580 REG (LOAD) 2.75 2.1 0.01 - 1.5 0.01 - 3.0 0.01 - 5.0 0.01 - 7.0 O.T. 1.0 5.0 mV Minimum Load Current (2) I O 53.3 O.T. 5.0 10 mA Control Pin Current (3) EZ1583 EZ1582 EZ1581 EZ1580 I C 2.75 2.05 1.5 3.0 5.0 7.0 O.T. 6.0 30 33 60 120 mA Adjust Pin Current I ADJ 2.75 2.05 0.01 O.T. 50 120 µA Current Limit EZ1583 EZ1582 EZ1581 EZ1580 I CL 2.75 2.05 O.T. 1.6 3.1 5.1 7.1 A Ripple Rejection (4) EZ1583 EZ1582 EZ1581 EZ1580 R A 3.75 3.75 0.75 1.5 2.5 3.5 25°C 60 80 dB Thermal Regulation (5) REG (THERMAL) 0.002 0.02 %/W Dropout Voltage (7) Minimum V CNTL EZ1583 EZ1582 EZ1581 EZ1580 V C-VO 2.05 1.5 3.0 5.0 7.0 O.T. 1.00 1.05 1.10 1.15 1.15 1.18 1.25 1.30 V Dropout Voltage (7) Minimum V POWER EZ1583 1.5 25°C O.T. 0.40 0.50 0.50 0.60 EZ1582 V P-VO 2.75 3.0 25°C O.T. 0.40 0.50 0.50 0.60 V EZ1581 5.0 25°C O.T. 0.40 0.50 0.50 0.60 EZ1580 7.0 25°C O.T. 0.54 0.70 0.62 0.80 NOTES |
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