ADP5043ACPZ-1-R7 datasheet(3/30 Pages) AD

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Data Sheet

ADP5043

Rev. C | Page 3 of 30

SPECIFICATIONS

GENERAL SPECIFICATIONS

AVIN, VIN1 = (VOUT1 + 0.5 V) or 2.3 V, whichever is greater, AVIN, VIN1 ≥ VIN2, TA = 25°C, unless otherwise noted. Regulators

are enabled.

Table 1.

Parameter

Symbol

Test Conditions/Comments

Min

Typ

Max

Unit

AVIN UNDERVOLTAGE LOCKOUT

UVLOAVIN

TJ = −40°C to +125°C

Input Voltage Rising

UVLOAVINRISE

Option A

2.25

Option B

3.9

Input Voltage Falling

UVLOAVINFALL

Option A

1.95

Option B

3.1

SHUTDOWN CURRENT

IGND-SD

ENx = GND

0.1

μA

ENx = GND, TJ = −40°C to +125°C

μA

Thermal Shutdown Threshold

TSSD

TJ rising

150

°C

Thermal Shutdown Hysteresis

TSSD-HYS

°C

ENx, WDIx, MODE, WMOD, MR INPUTS

Input Logic High

VIH

2.5 V ≤ AVIN ≤ 5.5 V

1.2

Input Logic Low

VIL

2.5 V ≤ AVIN ≤ 5.5 V

0.4

Input Leakage Current (WMOD Excluded)

VI-LEAKAGE

ENx = AVIN or GND

0.05

μA

ENx = AVIN or GND, TJ = −40°C to +125°C

μA

WMOD Input Leakage Current

VI-LKG-WMOD

VWMOD = 3.6 V, TJ = −40°C to +125°C

μA

OPEN-DRAIN OUTPUTS

nRSTO, WSTAT Output Voltage

VOL

AVIN = 2.3 V to 5.5 V, InRSTO/WSTAT = 3 mA

Open-Drain Reset Output Leakage Current

μA

SUPERVISORY SPECIFICATIONS

AVIN, VIN1 = full operating range, TJ = −40°C to +125°C, unless otherwise noted.

Table 2.

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

SUPPLY

Supply Current (Supervisory Circuit Only)

μA

AVIN = 5.5 V, EN1 = EN2 = VIN1

μA

AVIN = 3.6 V, EN1 = EN2 = VIN1

RESET THRESHOLD ACCURACY

VTH − 0.8%

VTH

VTH + 0.8%

TA = 25°C, sensed on VOUTx

VTH − 1.5%

VTH

VTH + 1.5%

TJ = −40°C to +125°C, sensed on VOUTx

RESET THRESHOLD TO OUTPUT DELAY

GLITCH IMMUNITY (tUOD)

125

400

μs

VTH = VOUT − 50 mV

RESET TIMEOUT PERIOD WATCHDOG1 (tRP1)

Option A

Option B

160

200

240

RESET TIMEOUT PERIOD WATCHDOG2 (tRP2)

3.5

VCC TO RESET DELAY (tRD)

150

μs

VIN1 falling at 1 mV/μs

REGULATORS SEQUENCING DELAY (tD1, tD2)

WATCHDOG INPUTS

Watchdog 1 Timeout Period (tWD1)

Option A

81.6

102

122.4

Option B

1.28

1.6

1.92

sec

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