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
SPECIFICATIONS
GENERAL SPECIFICATION
AVIN, VIN1 = (V
+ 0.5 V) or 2.3 V, whichever is greater, AVIN, VIN1 ≥ VIN2, VIN3, T
OUT1
are enabled.
Table 1.
Parameter
AVIN UNDERVOLTAGE LOCKOUT
Input Voltage Rising
Input Voltage Falling
SHUTDOWN CURRENT
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
ENx, WDIx, MODE, WMOD,
MR
INPUTS
Input Logic High
Input Logic Low
Input Leakage Current (WMOD
Excluded)
WMOD Input Leakage Current
OPEN-DRAIN OUTPUTS
nRSTO, WSTAT Output Voltage
Open-Drain Reset Output Leakage
Current
SUPERVISORY SPECIFICATION
AVIN, VIN1 = full operating range, T
= −40°C to +125°C, unless otherwise noted.
J
Table 2.
Parameter
SUPPLY
Supply Current (Supervisory Circuit Only)
RESET THRESHOLD ACCURACY
RESET THRESHOLD TO OUTPUT DELAY
GLITCH IMMUNITY (t
)
UOD
RESET TIMEOUT PERIOD WATCHDOG1 (t
Option A
Option B
RESET TIMEOUT PERIOD WATCHDOG2 (t
V
TO RESET DELAY (t
)
CC
RD
REGULATORS SEQUENCING DELAY (t
, t
D1
WATCHDOG INPUTS
Watchdog 1 Timeout Period (t
)
WD1
Option A
Option B
Symbol
Description
UVLO
T
= −40°C to +125°C
AVIN
J
UVLO
AVINRISE
UVLO
AVINFALL
I
ENx = GND
GND-SD
ENx = GND, T
= −40°C to +125°C
J
TS
T
rising
SD
J
TS
SD-HYS
V
2.5 V ≤ AVIN ≤ 5.5 V
IH
V
2.5 V ≤ AVIN ≤ 5.5 V
IL
V
ENx = AVIN or GND
I-LEAKAGE
ENx = AVIN or GND, T
= −40°C to +125°C
J
V
VWMOD = 3.6 V, T
= −40°C to +125°C
I-LKG-WMOD
J
V
AVIN = 2.3 V to 5.5 V, I
OL
nRSTO/WSTAT
Min
Typ
Max
45
55
43
52
VTH − 0.8%
VTH
VTH + 0.8%
VTH − 1.5%
VTH
VTH + 1.5%
50
125
400
)
RP1
24
30
36
160
200
240
)
RP2
3.5
5
7
150
)
2
D2
81.6
102
122.4
1.28
1.6
1.92
Rev. A | Page 3 of 32
ADP5042
= 25°C, unless otherwise noted. Regulators
A
Min
Typ
1.95
0.1
150
20
1.2
0.05
= 3 mA
30
Unit
Test Conditions/Comments
µA
AVIN = 5.5 V, EN1 = EN2 = EN3 = VIN
µA
AVIN = 3.6 V, EN1 = EN2 = EN3 = VIN
V
T
= 25°C, sensed on VOUTx
A
V
T
= −40°C to +125°C, sensed on
J
V
OUTx
µs
V
= V
− 50 mV
TH
UOT
ms
ms
ms
µs
VIN1 falling at 1 mV/µs
ms
ms
sec
Max
Unit
2.25
V
V
µA
2
µA
°C
°C
V
0.4
V
µA
1
µA
50
µA
mV
1
µA