Datasheet

ADP1715/ADP1716
Rev. 0 | Page 3 of 20
SPECIFICATIONS
V
IN
= (V
OUT
+ 0.5 V) or 2.5 V (whichever is greater), I
OUT
= 10 mA, C
IN
= C
OUT
= 2.2 μF, T
A
= 25°C, unless otherwise noted.
Table 1.
Parameter Symbol Conditions Min Typ Max Unit
INPUT VOLTAGE RANGE V
IN
T
J
= –40°C to +125°C 2.5 5.5 V
OPERATING SUPPLY CURRENT I
GND
I
OUT
= 100 μA 65 μA
I
OUT
= 100 μA, T
J
= –40°C to +125°C 100 μA
I
OUT
= 100 mA 160 μA
I
OUT
= 100 mA, T
J
= –40°C to +125°C 220 μA
100 μA < I
OUT
< 500 mA, T
J
= –40°C to +125°C 650 μA
SHUTDOWN CURRENT I
GND-SD
EN = GND 0.1 μA
EN = GND, T
J
= –40°C to +125°C 1.0 μA
FIXED OUTPUT VOLTAGE ACCURACY V
OUT
I
OUT
= 10 mA –1 +1 %
(ADP1715 and ADP1716 ONLY) I
OUT
= 10 mA to 500 mA –2 +2 %
100 μA < I
OUT
< 500 mA, T
J
= –40°C to +125°C –3 +3 %
ADJUSTABLE OUTPUT VOLTAGE V
OUT
I
OUT
= 10 mA 0.792 0.8 0.808 V
ACCURACY (ADP1715 ADJUSTABLE)
1
I
OUT
= 10 mA to 500 mA 0.784 0.816 V
100 μA < I
OUT
< 500 mA, T
J
= –40°C to +125°C 0.776 0.824 V
LINE REGULATION ∆V
OUT
/∆V
IN
V
IN
= (V
OUT
+ 0.5 V) to 5.5 V, T
J
= –40°C to +125°C –0.15 +0.15 %/V
LOAD REGULATION
2
∆V
OUT
/∆I
OUT
I
OUT
= 10 mA to 500 mA 0.002 %/mA
I
OUT
= 10 mA to 500 mA, T
J
= –40°C to +125°C 0.004 %/mA
DROPOUT VOLTAGE
3
V
DROPOUT
I
OUT
= 100 mA, V
OUT
≥ 3.3 V 50 mV
I
OUT
= 100 mA, V
OUT
≥ 3.3 V, T
J
= –40°C to +125°C 100 mV
I
OUT
= 500 mA, V
OUT
≥ 3.3 V 250 300 mV
I
OUT
= 500 mA, V
OUT
≥ 3.3 V, T
J
= –40°C to +125°C 400 mV
I
OUT
= 100 mA, 2.5 V ≤ V
OUT
< 3.3 V 60 mV
I
OUT
= 100 mA, 2.5 V ≤ V
OUT
< 3.3 V, T
J
= –40°C to +125°C 100 mV
I
OUT
= 500 mA, 2.5 V ≤ V
OUT
< 3.3 V 320 400 mV
I
OUT
= 500 mA, 2.5 V ≤ V
OUT
< 3.3 V, T
J
= –40°C to +125°C 500 mV
START-UP TIME
4
T
START-UP
ADP1715 Adjustable and ADP1716 100 μs
ADP1715 with External Soft Start C
SS
= 10 nF 7.3 ms
CURRENT LIMIT THRESHOLD
5
I
LIMIT
550 750 1200 mA
THERMAL SHUTDOWN THRESHOLD TS
SD
T
J
rising 150
°C
THERMAL SHUTDOWN HYSTERESIS TS
SD-HYS
15
°C
SOFT-START SOURCE CURRENT
(ADP1715 WITH EXTERNAL
SOFT START)
SS
I-SOURCE
SS = GND 0.7 1.2 1.7 μA
V
OUT
to V
TRK
ACCURACY V
TRK-ERROR
0 V ≤ V
TRK
≤ (0.5 × V
OUT(NOM)
), V
OUT(NOM)
≤ 1.8 V, T
J
= –40°C to +125°C –50 +50 mV
(ADP1716) 0 V ≤ V
TRK
≤ (0.5 × V
OUT(NOM)
), V
OUT(NOM)
> 1.8 V, T
J
= –40°C to +125°C –100 +100 mV
EN INPUT LOGIC HIGH V
IH
2.5 V ≤ V
IN
≤ 5.5 V 1.8 V
EN INPUT LOGIC LOW V
IL
2.5 V ≤ V
IN
≤ 5.5 V 0.4 V
EN INPUT LEAKAGE CURRENT V
I-LEAKAGE
EN = IN or GND 0.1 1 μA
ADJ INPUT BIAS CURRENT
(ADP1715 ADJUSTABLE)
ADJ
I-BIAS
30 100 nA
OUTPUT NOISE OUT
NOISE
10 Hz to 100 kHz, V
OUT
= 0.75 V 125 μVrms
10 Hz to 100 kHz, V
OUT
= 3.3 V 450 μVrms
POWER SUPPLY REJECTION RATIO PSRR 1 kHz, V
OUT
= 0.75 V 67 dB
1 kHz, V
OUT
= 3.3 V 53 dB
1
Accuracy when OUT is connected directly to ADJ. When OUT voltage is set by external feedback resistors, absolute accuracy in adjust mode depends on the tolerances
of resistors used.
2
Based on an end-point calculation using 10 mA and 500 mA loads. See Figure 8 for typical load regulation performance for loads less than 10 mA.
3
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 2.5 V.
4
Start-up time is defined as the time between the rising edge of EN to OUT being at 95% 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 for a 1.0 V
output voltage is defined as the current that causes the output voltage to drop to 90% of 1.0 V, or 0.9 V.