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ADP7183ACPZN2.5-R7 Datenblatt(PDF) 4 Page - Analog Devices |
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ADP7183ACPZN2.5-R7 Datenblatt(HTML) 4 Page - Analog Devices |
4 / 19 page ADP7183 Data Sheet Rev. 0 | Page 4 of 19 Parameter Symbol Test Conditions/Comments Min Typ Max Unit UNDERVOLTAGE LOCKOUT THRESHOLDS Input Voltage Rising UVLORISE −1.77 V Falling UVLOFALL −1.58 V Hysteresis UVLOHYS 90 mV EN INPUT (NEGATIVE) −2 V ≤ VIN ≤ −5.5 V Logic High VEN-NEG-HIGH VOUT = off to on −1.3 −1.16 V Logic Low VEN-NEG_LOW VOUT = on to off −0.96 −0.88 V Hysteresis ENHYS-NEG 191 mV Leakage Current IEN-LKG EN = VIN or GND −0.25 µA EN INPUT (POSITIVE) −2 V ≤ VIN ≤ −5.5 V Logic High VEN-POS-HIGH VOUT = off to on 0.96 1.25 V Logic Low VEN-POS-LOW VOUT = on to off 0.5 0.89 V Leakage Current IEN-LKG VEN = 5 V, VIN = −5.5 V 4.0 6.0 µA 1 Guaranteed by characterization but not production tested. 2 Based on an endpoint calculation using −1 mA and −300 mA loads. 3 Dropout voltage is defined as the input to output voltage differential when the input voltage is set to the nominal output voltage. Dropout applies only for output voltages below −2 V. 4 Start-up time is defined as the time between the rising edge of EN to VOUT being at 90% of its nominal value. 5 Current-limit threshold is defined as the current at which the output voltage drops to 90% of the specified typical value. For example, the current-limit threshold for a −3.0 V output voltage is defined as the current that causes the output voltage to drop to 90% of −3.0 V, or −2.7 V. INPUT AND OUTPUT CAPACITOR RECOMMENDED SPECIFICATIONS Table 2. Parameter Symbol Test Conditions/Comments Min Typ Max Unit CAPACITANCE TA = −40°C to +125°C Minimum CIN and COUT Capacitance1 CIN, COUT 3.3 4.7 µF Minimum CA and CREG Capacitance2 CA, CREG 0.7 1 µF Minimum CAFB Capacitance3 CAFB 0.7 10 nF Capacitor Equivalent Series Resistance (ESR) RESR 0.1 Ω 1 The minimum input and output capacitance must be greater than 3.3 µF over the full range of operating conditions. X7R and X5R type capacitors are recommended; Y5V and Z5U capacitors are not recommended for use with any LDO. 2 The minimum CA and CREG capacitance must be greater than 0.7 µF over the full range of operating conditions. X7R and X5R type capacitors are recommended; Y5V and Z5U capacitors are not recommended for use with any LDO. 3 The minimum CAFB capacitance must be greater than 0.7 nF over the full range of operating conditions. X7R and X5R type capacitors are recommended; Y5V and Z5U capacitors are not recommended for use with any LDO. |
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