ADP2119/ADP2120
SPECIFICATIONS
VIN = VPVIN = 3.3 V, EN = VIN, SYNC/MODE = VIN at TJ = −40°C to +125°C, unless otherwise noted.
Table 1.
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
VIN and PVIN
VIN Voltage Range
PVIN Voltage Range
Quiescent Current
VIN
VPVIN
IVIN
2.3
2.3
5.5
5.5
200
900
2
V
V
μA
μA
μA
V
No switching, SYNC/MODE = GND
Switching, no load, SYNC/MODE = VIN
VIN = VPVIN = 5.5 V, EN = GND
VIN rising
150
680
0.3
2.2
2.1
Shutdown Current
VIN Undervoltage Lockout Threshold
ISHDN
UVLO
2.3
VIN falling
2
V
OUTPUT CHARACTERISTICS
Load Regulation1
Load Regulation2
Line Regulation1
Line Regulation2
FB
ADP2119, IO = 0 A to 2 A
ADP2120, IO = 0 A to 1.25 A
ADP2119, IO = 1 A
0.08
0.08
0.05
0.05
%/A
%/A
%/V
%/V
ADP2120, IO = 1 A
FB Regulation Voltage
FB Bias Current
VFB
IFB
VIN = 2.3 V to 5.5 V
VIN = 2.3 V to 5.5 V
0.591 0.6
0.01
0.609
0.1
V
μA
SW
High-Side On Resistance3
Low-Side On Resistance3
SW Peak Current Limit
VIN = VPVIN = 3.3 V, ISW = 200 mA
VIN = VPVIN = 3.3 V, ISW = 200 mA
High-side switch, VIN = VPVIN = 3.3 V (ADP2119)
High-side switch, VIN = VPVIN = 3.3 V (ADP2120)
VIN = VPVIN = 5.5 V, full frequency
145
70
3
190
100
3.5
2.4
100
mΩ
mΩ
A
A
%
2.5
1.6
2
SW Maximum Duty Cycle
SW Minimum On Time4
TRK
VIN = VPVIN = 5.5 V, full frequency
100
ns
TRK Input Voltage Range
TRK-to-FB Offset Voltage
TRK Input Bias Current
FREQUENCY
0
−15
600
+15
100
mV
mV
nA
TRK = 0 mV to 500 mV
Oscillator Frequency
SYNC/MODE
fS
1.02
1.2
1.38
2
MHz
Synchronization Range
SYNC Minimum Pulse Width
SYNC Minimum Off Time
SYNC Input High Voltage
SYNC Input Low Voltage
INTEGRATED SOFT START
Soft Start Time
1
MHz
ns
ns
V
100
100
1.3
0.4
V
All switching frequencies
fS = 1.2 MHz
1024
853
Clock
cycles
μs
PGOOD
Power-Good Range
FB rising threshold
FB rising hysteresis
FB falling threshold
FB falling hysteresis
From FB to PGOOD
105
85
110
2.5
90
2.5
16
115
95
%
%
%
%
Clock
cycles
Power-Good Deglitch Time
PGOOD Leakage Current
PGOOD Output Low Voltage
PGOOD Output Low Resistor
VPGOOD = 5 V
0.1
150
150
1
200
200
μA
mV
Ω
IPGOOD = 1 mA
IPGOOD = 1 mA
Rev. 0 | Page 3 of 24