ADP5024
BUCK1 AND BUCK2 SPECIFICATIONS
Data Sheet
V
AVIN
= V
IN1
= V
IN2
= 2.3 V to 5.5 V; T
J
= −40°C to +125°C for minimum/maximum specifications, and T
A
= 25°C for typical
specifications, unless otherwise noted.
Table 2.
Parameter
OUTPUT CHARACTERISTICS
Output Voltage Accuracy
Line Regulation
Load Regulation
VOLTAGE FEEDBACK
OPERATING SUPPLY CURRENT
BUCK1 Only
BUCK2 Only
BUCK1 and BUCK2
PSM CURRENT THRESHOLD
SW CHARACTERISTICS
SW On Resistance
Symbol
ΔV
OUT1
/V
OUT1
,
ΔV
OUT2
/V
OUT2
(ΔV
OUT1
/V
OUT1
)/ΔV
IN1
,
(ΔV
OUT2
/V
OUT2
)/ΔV
IN2
(ΔV
OUT1
/V
OUT1
)/ΔI
OUT1
,
(ΔV
OUT2
/V
OUT2
)/ΔI
OUT2
V
FB1
, V
FB2
I
IN
I
IN
I
IN
I
PSM
R
NFET
R
PFET
R
NFET
R
PFET
I
LIMIT1
, I
LIMIT2
R
PDWN-B
f
SW
Test Conditions/Comments
I
LOAD1
= I
LOAD2
= 0 mA to 1200 mA, PWM mode
PWM mode
I
LOAD
= 0 mA to 1200 mA, PWM mode
Models with adjustable outputs
MODE = ground
I
LOAD1
= 0 mA, device not switching, all other
channels disabled
I
LOAD2
= 0 mA, device not switching, all other
channels disabled
I
LOAD1
= I
LOAD2
= 0 mA, device not switching, LDO
channels disabled
PSM to PWM operation
V
IN1
= V
IN2
= 3.6 V
V
IN1
= V
IN2
= 3.6 V
V
IN1
= V
IN2
= 5.5 V
V
IN1
= V
IN2
= 5.5 V
PFET switch peak current limit
Channel disabled
0.485
Min
−3
−0.05
−0.1
0.5
44
55
67
100
155
205
137
162
1950
75
3.0
240
310
204
243
2300
3.5
0.515
Typ
Max
+3
Unit
%
%/V
%/A
V
μA
μA
μA
mA
mΩ
mΩ
mΩ
mΩ
mA
Ω
MHz
Current Limit
ACTIVE PULL-DOWN
OSCILLATOR FREQUENCY
1
1600
2.5
All limits at temperature extremes are guaranteed via correlation using standard statistical quality control (SQC).
Rev. A | Page 4 of 28
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