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ADP50460008
HOUSEKEEPING BLOCK SPECIFICATIONS
T
= 25°C, V
= V
= 3.6 V, V
J
VBATT
VDD
Table 5.
Parameter
CHANNEL 9 LDO
Keep Alive LDO Operating Quiescent Current
Keep Alive LDO Output Voltage
Current Limit Threshold
Keep Alive LDO Load Regulation
Keep Alive LDO Line Regulation
Keep Alive LDO PSRR
KEEP ALIVE LDO RESET ( POCO )
Keep Alive LDO RESET Voltage Threshold (Rising)
Hysteresis
1
End of RESET Delay Time
BACKUP BATTERY CHARGER
Backup Battery Charger Output Voltage
Backup Battery Connect Switch On Resistance, M1
REAL-TIME CLOCK (RTC)
RTC Operating Voltage Range
RTC Oscillator Start-Up Time
RTC CLK Frequency Error
SEQUENCER AND SUPERVISORY CIRCUIT
Undervoltage Protection Threshold
Overvoltage Protection Threshold
Undervoltage Protection Latch Delay
Overvoltage Protection Latch Delay
Programmable Enable Delay Range, 4 Bits
Default Enable Delay Time from EN to Channel 1 On
Default Enable Delay Time from EN to Channel 3 On
Default Enable Delay Time from EN to Channel 2 On
Default Enable Delay Time from EN to Channel 8 On
Default Enable Delay Time from EN to Channel 6 On
Default Off Delay Time from Channel 2 Shutdown to
Channel 3 Shutdown
.
1
Detected at the VREGO pin
= 3.3 V, unless otherwise noted.
VDDIO
Symbol
I
Q(VDD)
V
VREGO1
V
VREGO2
I
REGO LIM
∆V
/I
VREGO
∆V
/V
VREGO
V
PSRR
VREGO
1
V
TH(POCO)
V
HYS(POCO)
t
DLY(POCO)
V
BU3INT
R
CONREGO
V
BU3INT
t
START
V
UVP
V
OVP
t
DLY(UV)
t
DLY(OVP)
t
DLY
t
DLY1(DEFAULT)
t
DLY3(DEFAULT)
t
DLY2(DEFAULT)
t
DLY8(DEFAULT)
t
DLY6(DEFAULT)
t
,
OFFDLY(2)
t
OFFDLY(3)
Rev. Sp0 | Page 8 of 60
Min
Typ
Max
4.3
3.135
3.2
3.265
2.94
3.0
3.06
75
115
155
0.04
LOAD
0.01
VDD
40
2.8
0.2
4
3.0
110
1.6
3.3
0.4
−5
+5
67
125
200
1.2
0
30
0
12
16
16
22
30
ADI Confidential
Unit
Conditions/Comments
µA
No load, V
= 3.6 V
VDD
V
I
= 1 mA, V
= V
VREGO
IN
−10°C ≤ T
≤ +85°C
J
V
I
= 1 mA, −10°C ≤ T
VREGO
V
= V
+ 0.5 V
VDD
VREGO
mA
−10°C ≤ T
≤ +85°C
J
%/mA
10 µA < I
< 50 mA, V
VREGO
%/V
V
= (V
+ 0.5 V) to 5.5 V,
VDD
VREGO
I
= 1 mA
VREGO
dB
f = 1 kHz
V
V
ms
V
I
= 1 µA
BU3INT
Ω
V
sec
ppm
%
%
ms
ms
ms
ms
ms
ms
ms
ms
ms
+ 0.5 V,
OUT
≤ +85°C,
J
= 5.0 V
VDD
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