ADP5042

Manufacturer Part NumberADP5042
DescriptionMicro PMU with 0.8 A Buck, Two 300 mA LDOs, Supervisory, Watchdog and Manual Reset
ManufacturerAnalog Devices
ADP5042 datasheet
 


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Data Sheet
BUCK SPECIFICATIONS
AVIN, VIN1 = 3.6 V, V
= 1.8 V, T
= −40°C to +125°C for minimum/maximum specifications, L = 1 µH, C
OUT1
J
for typical specifications, unless otherwise noted.
Table 3.
Parameter
INPUT CHARACTERISTICS
Input Voltage Range (VIN1)
OUTPUT CHARACTERISTICS
Output Voltage Accuracy
PWM TO POWER SAVE MODE CURRENT THRESHOLD
INPUT CURRENT CHARACTERISTICS
DC Operating Current
Shutdown Current
SW CHARACTERISTICS
SW On Resistance
Current Limit
ACTIVE PULL-DOWN
OSCILLATOR FREQUENCY
START-UP TIME
1
All limits at temperature extremes are guaranteed via correlation using standard statistical quality control (SQC).
LDO1, LDO2 SPECIFICATIONS
AVIN = 3.6 V, V
V
= (V
+ 0.2 V) or 2.3 V, whichever is greater; AVIN, VIN1 ≥ VIN2, VIN3; I
IN2,
IN3
OUT3
T
= 25°C, unless otherwise noted.
A
Table 4.
Parameter
Symbol
INPUT VOLTAGE RANGE
V
OPERATING SUPPLY CURRENT (per
I
GND
LDO)
FIXED OUTPUT VOLTAGE ACCURACY
V
REGULATION
Line Regulation
∆V
∆V
1
Test Conditions/Comments
PWM mode, T
= 25 °C , I
A
PWM mode
VIN1 = 2.3 V to 5.5 V, PWM mode,
I
= 1 to 800 mA
LOAD
I
= 0 mA, device not switching
LOAD
ENx = 0 V, T
= T
= −40°C to +125°C
A
J
PFET
PFET, AVIN = VIN1 = 5 V
NFET
NFET, AVIN = VIN1 = 5 V
PFET switch peak current limit
EN1 = 0 V
Conditions
, V
T
= −40°C to +125°C
IN2
IN3
J
I
= 0 µA, V
= 3.3 V
OUT
OUT
I
= 0 µA, V
= 3.3 V, T
OUT
OUT
J
I
= 10 mA
OUT
I
= 10 mA, T
= −40°C to +125°C
OUT
J
I
= 200 mA
OUT
I
= 200 mA, T
= −40°C to +125°C
OUT
J
, V
I
= 10 mA
OUT2
OUT3
OUT
100 µA < I
< 300 mA
OUT
V
, V
= (V
, V
+ 0.5 V) to 5.5 V
IN2
IN3
OUT2
OUT3
100 µA < I
< 300 mA
OUT
V
, V
= (V
, V
+ 0.5 V) to 5.5 V
IN2
IN3
OUT2
OUT3
T
= −40°C to +125°C
J
/∆V
V
, V
= (V
, V
+ 0.5 V) to 5.5 V
OUT2
IN2
IN2
IN3
OUT2
OUT3
/∆V
OUT3
IN3
I
= 1 mA
OUT3
T
= −40°C to +125°C
J
Rev. A | Page 5 of 32
= 10 µF, and T
OUT
Min
Typ
2.3
= 100 mA
−1
LOAD
−2
−3
100
21
0.2
180
140
170
150
1100
1360
75
2.5
3.0
250
= 10 mA; C
OUT
IN
Min
Typ
1.7
15
= −40°C to +125°C
67
100
−1
−2
−3
−0.03
ADP5042
= 25°C
A
Max
Unit
5.5
V
+1
%
+2
%
+3
%
mA
35
μA
1.0
μA
240
190
235
210
1600
mA
Ω
3.5
MHz
μs
= C
= 1 µF;
OUT
Max
Unit
5.5
V
µA
50
µA
µA
105
µA
µA
245
µA
+1
%
+2
%
+3
%
+0.03
%/ V