APW8855 Datasheet, PDF (19/43 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
13.6 VR5 Electrical Characteristics
These specifications apply over V_VSYS = 12V, V_OUT = 0.95V, TA = 25^oC, unless otherwise noted.
S ymb ol
Parame ter
Test Conditions
AP W8855 (VR5)
Min
Typ
Max
Unit
PWM GATE DRIV ER
Switchi ng Fr eque ncy
Accu racy
VIN=5 .5 to 20V, VOUT=2.6V to 4V
-
±15
%
Min imum Off Time
200
ns
Min imum Co ntrollab le On
Time
PWM Sink Resista nce
60
80
ns
15
20
Ω
PWM Source Resistance
15
20
Ω
PWM L eakage Curre nt
PR O TE CTI ON
VVDDP_ ALW_PWM=5.5V
10 0
nA
Un der-voltage Protectio n
( UV P)
65
70
75
%
UV P Deb ounce Time
Over-voltage Pro te ction
( OVP )
-
2
-
µs
12 5
130
13 5
%
OVP Debo unce Time
2
-
µs
EFFICIENCY
VOUT=0 .9 5V, IO UT=5mA to 10mA,
DC R < 10m Ω
87
%
Efficiency (Re fe r to th e typical
cir cu it)
VOUT=0 .9 5V, IO UT=50mA to 500 mA ,
DC R < 10m Ω
VOUT=0 .9 5V, IO UT=3A, DCR<1 0mΩ
87
%
86
%
VOUT=0 .9 5V, IO UT=8A, DCR<1 0mΩ
86
%
13.7 VR6 Electrical Characteristics
These specifications apply over V
= 3.3V, TA = 25^oC, unless otherwise noted.
LDO_RTC_IN
S ymb ol
Parame ter
Test Conditions
AP W8855 (VR6)
Min
Typ
Max
SUPPLY VOLTAGE
Inp ut Bias Curr ent
-
1
2
REGULATOR OUTP UT
Output Vo ltag e
Output Cu rrent Capabi lity
IOUT=4 .5µ A
1 .42 5
4.5
1.500
1.57 5
Output No ise
f=100 to 100kHz
100
Power-S upply Rejection
Ra tio n (PSRR)
f= 10k H z
40
Output Vo ltag e Soft-start
Time
1
Unit
µA
V
µA
µV RMS
dB
ms
Copyright © ANPEC Electronics Corp.
19
Rev. A.1 - Dec., 2015
www.anpec.com.tw