APW8855 Datasheet, PDF (21/43 Pages) Anpec Electronics Coropration – High Current, High Frequency 7 Outputs Voltage Regulator and Power Management IC for High Performance Tablet and Ultra Notebook Applications

APW8855
13.9 VSYS&POK&CTL Electrical Characteristics
These specifications apply over V_{5V_ALW} = 5.06V, TA = 25^oC, unless otherwise noted.
Symbol
P aram eter
Tes t Condit ions
APW88 55(P OK)
Min
Typ
Max
VS YS SUPP LY CCURRENT
V SYS S upply Curren t
VSYS =19 V, CTL=Low, only 5V_L DO ,
3 V3_L DO , LDO _RTC are on
CTL=High, all VR a re on ,
VR1/2 /3/4/5 are n o switch ing
110
TBD
PO K
PO K Thr eshold
POK in from Lo we r (P OK go es hi gh)
Monitor V R1~5 and V R7 (LDO Ou tp ut 8 7
90
93
or Switch OCP)
POK out to norma l ( POK go es low)
Monitor V R1~5 and V R7 (LDO Ou tp ut 125
13 0
135
or Switch OCP)
POK Hysteresis
3
PO K Leakag e Cu rrent
VPOK = 5V
-
0 .1
1
PO K Low Vol tag e
PO K Enab le Blankin g Time
PO K Disa ble Blan kin g Time
I_{POK_sink} =4mA
-
0 .5
1
From VR1~VR5,VR7 rising to 90% of
their set p oint to PO K g oes Hig h
-
1320
-
From VR1~VR5, VR7 fa lling to 87% of
their set p oint to PO K g oes Low
2
CTL
CTL Input Log ic Threshol d
CTL Le akage Curren t
tD CTL
CTL Debo unce Time
VCTL rising
1 .0
1.2
V_CTL fallin g
0.6
0 .8
VCTL =5V
1
CTL hi gh to 5V_ALW start soft-start
70
CTL lo w to 5V_A LW start so ft-stop
2
tD 1
5V_ALW re ady to 1V8_ALW soft- start
10 0
5V _ALW a nd 3V3_ ALW Timin g
VR1~5 read y to VR7 so ft-start
10 0
tD 2
1V8_ALW off to 5V _ALW soft-stop
10 0
Unit
µA
µA
%
%
%
? µA?
V
µs
µs
V
V
? µA
? µs
? µs
? µs
? µs
? µs
Copyright © ANPEC Electronics Corp.
21
Rev. A.1 - Dec., 2015
www.anpec.com.tw