Datasheet ADP7104 (Analog Devices) - 4

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ADP7104 Data Sheet Parameter Symbol Conditions Min Typ Max Unit
THERMAL SHUTDOWN Thermal Shutdown Threshold TSSD TJ rising 150 C Thermal Shutdown Hysteresis TSSD-HYS 15 C PROGRAMMABLE EN/UVLO UVLO Threshold Rising UVLORISE 3.3 V ≤ VIN ≤ 20 V, TJ = −40°C to +125°C 1.18 1.22 1.28 V UVLO Threshold Falling UVLOFALL 3.3 V ≤ VIN ≤ 20 V, TJ = −40°C to +125°C, 10 kΩ in 1.13 V series with the enable pin UVLO Hysteresis Current UVLOHYS VEN > 1.25 V, TJ = −40°C to +125°C 7.5 9.8 12 μA Enable Pull-Down Current IEN-IN EN = VIN 500 nA Start Threshold VSTART TJ = −40°C to +125°C 3.2 V Shutdown Threshold VSHUTDOWN TJ = −40°C to +125°C 2.45 V Hysteresis 250 mV OUTPUT NOISE OUTNOISE 10 Hz to 100 kHz, VIN = 5.5 V, VOUT = 1.8 V 15 μV rms 10 Hz to 100 kHz, VIN = 6.3 V, VOUT = 3.3 V 15 μV rms 10 Hz to 100 kHz, VIN = 8 V, VOUT = 5 V 15 μV rms 10 Hz to 100 kHz, VIN = 12 V, VOUT = 9 V 15 μV rms 10 Hz to 100 kHz, VIN = 5.5 V, VOUT = 1.5 V, 18 μV rms adjustable mode 10 Hz to 100 kHz, VIN = 12 V, VOUT = 5 V, 30 μV rms adjustable mode 10 Hz to 100 kHz, VIN = 20 V, VOUT = 15 V, 65 μV rms adjustable mode POWER SUPPLY REJECTION RATIO PSRR 100 kHz, VIN = 4.3 V, VOUT = 3.3 V 50 dB 100 kHz, VIN = 6 V, VOUT = 5 V 50 dB 10 kHz, VIN = 4.3 V, VOUT = 3.3 V 60 dB 10 kHz, VIN = 6 V, VOUT = 5 V 60 dB 100 kHz, VIN = 3.3 V, VOUT = 1.8 V, adjustable mode 50 dB 100 kHz, VIN = 6 V, VOUT = 5 V, adjustable mode 60 dB 100 kHz, VIN = 16 V, VOUT = 15 V, adjustable mode 60 dB 10 kHz, VIN = 3.3 V, VOUT = 1.8 V, adjustable mode 60 dB 10 kHz, VIN = 6 V, VOUT = 5 V, adjustable mode 80 dB 10 kHz, VIN = 16 V, VOUT = 15 V, adjustable mode 80 dB 1 Based on an end-point calculation using 1 mA and 300 mA loads. See Figure 6 for typical load regulation performance for loads less than 1 mA. 2 Dropout voltage is defined as the input-to-output voltage differential when the input voltage is set to the nominal output voltage. This applies only for output voltages above 3.0 V. 3 Start-up time is defined as the time between the rising edge of EN to VOUT being at 90% of its nominal value. 4 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 for a 5.0 V output voltage is defined as the current that causes the output voltage to drop to 90% of 5.0 V, or 4.5 V.
INPUT AND OUTPUT CAPACITOR, RECOMMENDED SPECIFICATIONS Table 2. Parameter Symbol Conditions Min Typ Max Unit
Minimum Input and Output Capacitance1 CMIN TA = −40°C to +125°C 0.7 μF 4F Capacitor ESR RESR TA = −40°C to +125°C 0.001 0.2 Ω 1 The minimum input and output capacitance should be greater than 0.7 μF over the full range of operating conditions. The full range of operating conditions in the application must be considered during device selection to ensure that the minimum capacitance specification is met. X7R and X5R type capacitors are recommended; Y5V and Z5U capacitors are not recommended for use with any LDO. Rev. I | Page 4 of 25 Document Outline FEATURES APPLICATIONS TYPICAL APPLICATION CIRCUITS GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS INPUT AND OUTPUT CAPACITOR, RECOMMENDED SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL DATA THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION APPLICATIONS INFORMATION CAPACITOR SELECTION Output Capacitor Input Bypass Capacitor Input and Output Capacitor Properties PROGRAMMABLE UNDERVOLTAGE LOCKOUT (UVLO) POWER-GOOD FEATURE NOISE REDUCTION OF THE ADJUSTABLE ADP7104 CURRENT LIMIT AND THERMAL OVERLOAD PROTECTION THERMAL CONSIDERATIONS PRINTED CIRCUIT BOARD LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE