Datasheet

Data Sheet ADP5052
Rev. 0 | Page 7 of 40
LDO REGULATOR SPECIFICATIONS
V
IN5
= (VOUT5 + 0.5 V) or 1.7 V (whichever is greater) to 5.5 V; C
IN
= C
OUT
= 1 µF; T
J
= −40°C to +125°C for minimum and maximum
specifications, and T
A
= 25°C for typical specifications, unless otherwise noted.
Table 3.
Parameter Min Typ Max Unit Test Conditions/Comments
INPUT SUPPLY VOLTAGE RANGE 1.7 5.5 V PVIN5 pin
OPERATIONAL SUPPLY CURRENT
Bias Current for LDO Regulator 30 130 µA I
OUT5
= 200 µA
60 170 µA I
OUT5
= 10 mA
145 320 µA I
OUT5
= 200 mA
VOLTAGE FEEDBACK (FB5 PIN)
Adjustable Feedback Voltage 0.500 V
Feedback Voltage Accuracy −1.0 +1.0 % T
J
= 25°C
−1.6 +1.6 % 0°C ≤ T
J
≤ 85°C
−2.0 +2.0 % −40°C ≤ T
J
≤ +125°C
DROPOUT VOLTAGE I
OUT5
= 200 mA
80 mV VOUT5 = 3.3 V
100 mV VOUT5 = 2.5 V
180 mV VOUT5 = 1.5 V
CURRENT-LIMIT THRESHOLD 250 510 mA Specified from the output voltage drop
to 90% of the specified typical value
OUTPUT NOISE 92 µV rms 10 Hz to 100 kHz, V
PVIN5
= 5 V, VOUT5 = 1.8 V
POWER SUPPLY REJECTION RATIO V
PVIN5
= 5 V, VOUT5 = 1.8 V, I
OUT5
= 1 mA
77 dB 10 kHz
66 dB 100 kHz