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APW8855 데이터시트(HTML) 15 Page - Anpec Electronics Coropration

부품명 APW8855
상세내용  High Current, High Frequency 7 Outputs Voltage Regulator and Power Management IC for High Performance Tablet and Ultra Notebook Applications
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제조사  ANPEC [Anpec Electronics Coropration]
홈페이지  http://www.anpec.com.tw
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APW8855 데이터시트(HTML) 15 Page - Anpec Electronics Coropration

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Copyright
© ANPEC Electronics Corp.
Rev. A.1 - Dec., 2015
APW8855
www.anpec.com.tw
15
13.3 VR2 Electrical Characteristics
These specifications apply over V
VSYS = 12V, VOUT = 3.3V, TA = 25
oC, unless otherwise noted.
AP W88 55(V R2 )
Symbol
Param eter
Tes t Conditions
Min
Typ
Max
Unit
P WM G ATE DRIV ER
Switch ing Frequ ency
Accuracy
VVSYS =5.5 to 2 0V, V OUT=2.6V to 4 V
-
±1 5
%
Minimum Off Time
20 0
ns
Minimum Controlla ble On
Time
60
80
ns
PWM Sink Re sistance
15
20
Ω
PWM Sour ce Resista nce
15
20
Ω
PWM Leakag e Cu rrent
V3V3_ALW_PWM=5.5V
1 00
nA
P ROTECTION
Under- vol tag e Protection
(UVP)
65
70
75
%
UVP Deboun ce Time
-
2
-
µs
Over-voltage P rotectio n
(OV P)
125
13 0
1 35
%
OV P Deb ounce Time
2
-
µs
LDO REG ULATO R
VVSYS Risin g, en able 3V 3_LDO
3.8
4 .0
4.2
%
LDO Regul ato r Un der-voltage
Lockout (UVLO )
Hysteresis
0.1
0.15
0.2
V
V3V3_LDO
LDO Regul ato r Output
Voltage A ccura cy
-1
+1
%
LDO Dropo ut Voltage
IOUT=100mA, V3V3_ALW_PWM=4 V
1.5
V
LDO Curren t Limit
150
20 0
2 50
mA
LDO Disch arge Resista nce
10
Ω
LDO Soft-start Time
10 0
us
PWM Vo lta ge Ri si ng
91
94
97
% VR2
VTHBYP_3V3
Bypass Thresh old
Hysteresis
2
3
4
% VR2
Bypass S witch On Resistance
-
1 .5
3
Ω
Bypass L eakage Curr ent
V3V3_ALW_BYP=5.5V, VVSYS=0 V
-
-
1 00
nA
E FFICIE NCY
VO UT=3.3V, IO UT=5mA to 50mA, DCR<1 0m
Ω
93
%
VO UT=3.3V, IO UT=50mA to 500 mA ,
DCR<10mΩ
93
%
VO UT=3.3V, IO UT=3A, DCR<1 0mΩ
88
%
Efficien cy (Refer to the typi ca l
circuit)
VO UT=3.3V, IO UT=8A, DCR<1 0mΩ
93
%


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