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ADP2102
SPECIFICATIONS
V IN = 3.6 V, EN = V IN , MODE = V IN , T A = 25°C, unless otherwise noted. Bold values indicate ?40°C ≤ T A ≤ +85°C. 1
Table 1.
Parameter
Conditions
Min
Typ
Max
Unit
INPUT CHARACTERISTICS
Input Voltage Range 2
2.7
5.5
V
Undervoltage Lockout Threshold
V IN rising
2.2
2.4
2.5
V
Undervoltage Lockout Hysteresis
OUTPUT CHARACTERISTICS
220
mV
Output Voltage Range
Output Voltage Range
Output Voltage Initial Accuracy
Load Regulation
Line Regulation
ADP2102-xx
ADP2102-ADJ
ADP2102-xx, T A = 25°C, I LOAD = 0 mA
ADP2102-xx, ?40°C ≤T A ≤ 85°C, I LOAD = 0 mA
V OUT = 0.8 V to 1.875 V, I LOAD = 0 mA to 600 mA
V IN = 2.7 V to 5.5 V, I LOAD = 10 mA
0.8
0.8
?1
?2
0.5
0.3
1.875
3.3
+1
+2
V
V
%
%
%
%
FEEDBACK CHARACTERISTICS
FB Regulation Voltage
ADP2102-ADJ
784
800
816
mV
FB Bias Current
FB Impedance
ADP2102-ADJ, ADP2102-0.8
ADP2102-xx
375
50
nA
kΩ
CURRENT CHARACTERISTICS
Operating Current
Shutdown Current
Output Current
ADP2102 PSM mode, I LOAD = 0 mA
EN = 0 V
ADP2102, V IN = 2.7 V to 5.5 V
70
0.01
99
1
600
μA
μA
mA
LX (SWITCH NODE) CHARACTERISTICS
LX On Resistance
P-channel switch, I LX = 100 mA
N-channel synchronous rectifier, I LX = 100 mA
325
200
600
400
mΩ
mΩ
LX Leakage Current
LX Minimum Off-Time
V IN = 5.5 V, V LX = 0 V, 5.5 V
ADP2102-xx, ADP2102-ADJ
100
1
μA
ns
LX On-Time
ADP2102-0.8
ADP2102-1.0
ADP2102-1.2
ADP2102-1.25
ADP2102-1.375
ADP2102-1.5
ADP2102-1.8
ADP2102-1.875
ADP2102-ADJ-1.2
ADP2102-ADJ-1.5
ADP2102-ADJ-1.875
ADP2102-ADJ-3.3 (V IN = 5 V)
55
70
100
103
135
150
180
190
80
155
200
198
87
107
131
133
165
182
220
237
131
177
226
238
105
135
160
169
195
210
260
270
170
210
275
270
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Valley Current Limit
ENABLE, MODE CHARACTERISTICS
EN, MODE Input High Threshold
EN, MODE Input Low Threshold
1.3
1
0.4
A
V
V
EN, MODE Input Leakage Current
V IN = 5.5 V, EN = MODE = 0 V, 5.5 V
1
μA
SOFT START PERIOD
250
500
800
μs
THERMAL CHARACTERISTICS
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
150
15
°C
°C
1
2
All limits at temperature extremes are guaranteed via correlation using standard statistical quality control (SQC).
The input voltage (V IN ) range over which the rest of the specifications are valid. The part operates as expected until V IN goes below the UVLO threshold.
Rev. B | Page 3 of 24
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