LTC3577EUFF#PBF Linear Technology, LTC3577EUFF#PBF Datasheet - Page 9

• Manufacturer Part Number: LTC3577EUFF#PBF
• Description: IC PWR MANAGEMENT HANDHELD 44QFN
• Manufacturer: Linear Technology

Specifications of LTC3577EUFF#PBF

• Applications: Handheld/Mobile Devices
• Voltage - Supply: 4.35 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 44-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -

ELECTRICAL CHARACTERISTICS
SYMBOL
Pushbutton Pin (ON)
V
V
V
I
Power-On Input Pin (PWR_ON)
V
I
Status Output Pins (PBSTAT, WAKE, PG_DCDC)
I
V
I
V
I
V
V
Pushbutton Timing Parameters
t
t
t
t
t
t
t
t
t
t
t
t
t
over the full operating temperature range, otherwise specifi cations are at T
ON
PWR_ON
PBSTAT
WAKE
PG_DCDC
ON_PBSTAT1
ON_PBSTAT2
ON_WAKE
ON_HR
PBSTAT_PW
WAKE_EXTP
WAKE_DCDC
PWR_ONH
PWR_ONL
PWR_ONBK1
PWR_ONBK2
PG_DCDCH
PG_DCDCL
WAKE
THPG_DCDC
OUT
OUT
ON_TH
PWR_ON
PBSTAT
PG_DCDC
UVLO
PARAMETER
Pushbutton Operating Supply Range
V
V
ON Threshold Rising
ON Threshold Falling
ON Input Current
PWR_ON Threshold Rising
PWR_ON Threshold Falling
PWR_ON Input Current
PBSTAT Output High Leakage Current
PBSTAT Output Low Voltage
Wake Output High Leakage Current
Wake Low Output Voltage
PG_DCDC Output High Leakage Current V
PG_DCDC Output Low Voltage
PG_DCDC Threshold Voltage
ON Low Time to PBSTAT Low
ON High to PBSTAT High
ON Low Time to WAKE High
ON Low to Hard Reset
PBSTAT Minimum Pulse Width
WAKE High from USB or Wall Present
WAKE High to Buck1 Enable
PWR_ON High to WAKE High
PWR_ON Low to WAKE Low
PWR_ON Power-Up Blanking
PWR_ON Power-Down Blanking
Bucks in Regulation to PG_DCDC High
Bucks Disabled to PG_DCDC Low
OUT
OUT
Falling
Rising
CONDITIONS
(Note 9)
Pushbutton is Disabled Below V
V
V
V
V
I
V
I
I
(Note 13)
WAKE High
PBSTAT Low > t
WAKE Low > t
Hard Reset = All Supplies Disabled
WAKE Low > t
WAKE Low > t
WAKE Low > t
WAKE High > t
WAKE Rising Until PWR_ON Low Recognized
WAKE Falling Until PWR_ON High Recognized
All Bucks Within PG_DCDC Threshold Voltage
All Bucks Disabled
PBSTAT
WAKE
PG_DCDC
ON
ON
PWR_ON
PBSTAT
WAKE
PG_DCDC
= V
= 0V
= 3mA
= 3V
= 3mA
OUT
= 3V
Pushbutton Controller.
= 3mA
= 3V
= 3V
PWR_ONBK2
PWR_ONBK2
PWR_ONBK2
PWR_ONBK2
PWR_ONBK1
PBSTAT_PW
A
= 25°C. V
OUT
UVLO
The
OUT
LTC3577/LTC3577-1
l
= 3.8V, unless otherwise noted.
denotes the specifi cations which apply
l
MIN
2.7
2.5
0.4
0.4
4.2
–1
–4
–1
–1
–1
–1
40
TYP
900
400
100
230
2.7
2.8
0.8
0.7
0.8
0.7
0.1
0.1
0.1
–9
–8
50
50
50
50
44
5
5
5
1
MAX
–14
5.5
2.9
1.2
1.2
0.4
0.4
0.4
5.8
60
1
1
1
1
1
Seconds
Seconds
Seconds
UNITS
3577fa
9
ms
ms
ms
ms
ms
ms
ms
μA
μA
μA
μA
μA
μA
μs
μs
μs
%
V
V
V
V
V
V
V
V
V
V