ADP2102 Analog Devices, ADP2102 Datasheet - Page 3

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ADP2102

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

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