Datasheet

LTC3589/LTC3589-1/
LTC3589-2
7
3589ff
For more information www.linear.com/3589
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
t
SU_STA
Repeated Start Condition Set-Up Time 0.6 µs
t
SU_STO
Stop Condition Set-Up Time 0.6 µs
t
HD_DAT(O)
Data Hold Time Output 0 900 ns
t
HD_DAT(I)
Data Hold Time Input 0 ns
t
SU_DAT
Data Set-Up Time 100 ns
t
LOW
SCL Clock Low Period 1.3 µs
t
HIGH
SCL Clock High Period 0.6 µs
t
f
Data Fall Time C
B
= Capacitance of One BUS Line (pF) 20 + 0.1C
B
300 ns
t
r
Data Rise Time C
B
= Capacitance of One BUS Line (pF) 20 + 0.1C
B
300 ns
t
SP
Input Spike Supression Pulse Width 50 ns
Pushbutton Interface
V
ON_TH
ON Threshold Rising
ON Threshold Falling
l
l
0.4
0.8
0.7
1.2 V
V
I
ON
ON Input Current ON = V
IN
ON = 0V
–100
40
100 nA
µA
t
ON_PBSTAT1
ON Low Time to PBSTAT Low 50 ms
t
ON_PBSTAT2
ON High Time to PBSTAT High 0.2 µs
t
ON_WAKE
ON Low Time to WAKE High 400 ms
t
ON_HR
ON Low Time to Hard Reset 5 s
t
PBSTAT_PW
PBSTAT Minimum Pulse Width 50 ms
t
PBSTAT_BK
PBSTAT Blanking from WAKE Low 1 s
t
WAKE_OFF
Minimum WAKE Low Time 1 s
t
WAKE_ON
WAKE High Time with PWR_ON = 0V 5 s
t
PWR_ON
PWR_ON to WAKE High (LTC3589)
PWR_ON to WAKE High (LTC3589-1/LTC3589-2)
50
2
ms
ms
t
PWR_OFF
PWR_ON to WAKE Low (LTC3589)
PWR_ON to WAKE Low (LTC3589-1/LTC3589-2)
50
2
ms
ms
Status Output Pins (PBSTAT, WAKE, PGOOD, RSTO, IRQ)
V
PBSTAT
PBSTAT Output Low Voltage I
PBSTAT
= 3mA 0.1 0.4 V
I
PBSTAT
PBSTAT Output High Leakage Current V
PBSTAT
= 3.8V –0.1 0.1 µA
V
WAKE
WAKE Output Low Voltage I
WAKE
= 3mA 0.1 0.4 V
I
WAKE
WAKE Output High Leakage Current V
WAKE
= 3.8V –0.1 0.1 µA
V
PGOOD
PGOOD Output Low Voltage I
PGOOD
= 3mA 0.1 0.4 V
I
PGOOD
PGOOD Output High Leakage Current V
PGOOD
= 3.8V –0.1 0.1 µA
V
PGOOD
PGOOD Threshold Rising
PGOOD Threshold Falling
–6
–8
%
%
V
NRSTO
LDO1 Power Good Threshold Rising
LDO1 Power Good Threshold Falling
–6
–8
%
%
V
UVLO
Undervoltage Lockout Rising
Undervoltage Lockout Falling
2.65
2.55
2.7 V
V
V
UVWARN
Undervoltage Warning Rising
Undervoltage Warning Falling
3
2.9
elecTrical characTerisTics
The l denotes the specifications which apply over the specified operating
junction temperature range, otherwise specifications are at T
A
= 25°C (Note 2). V
IN
= PV
IN1
= PV
IN2
= PV
IN3
= PV
IN4
= V
IN_LDO2
= V
IN_LDO34
= DV
DD
= 3.8V. All regulators disabled unless otherwise noted.