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APW8868B Scheda tecnica(PDF) 5 Page - Anpec Electronics Coropration

Il numero della parte APW8868B
Spiegazioni elettronici  DDR2 AND DDR3/DDR3L SYNCHRONOUS BUCK CONTROLLER WITH 1.5A LDO SUPPORT LOW IQ & DROOP
PDF  26 Pages
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Produttore elettronici  ANPEC [Anpec Electronics Coropration]
Homepage  http://www.anpec.com.tw
Logo ANPEC - Anpec Electronics Coropration

APW8868B Scheda tecnica(HTML) 5 Page - Anpec Electronics Coropration

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Copyright
© ANPEC Electronics Corp.
Rev. A.3 - Oct., 2017
www.anpec.com.tw
5
APW8868B
Electrical Characteristics
Refer to the typical application circuits. These specifications apply over V
VCC=VBOOT=5V, VIN=12V and TA= -40 ~ 85
oC, unless
otherwise specified. Typical values are at T
A=25
oC.
APW 8868 B
Sym bol
Param eter
Test Conditions
Min
Typ
Max
Unit
VTT O UTP UT
VLDOIN = VVDDQSNS = 1.2V , VVDDQSNS/2 - VVTT,
IVTT = 0 A
-20
-
2 0
VVTT
VTT O utp ut Tolera nce
VLDOIN = VVDDQSNS = 1.2V , VVDDQSNS/2 - VVTT,
IVTT = 1 A
-30
-
3 0
mV
TSSVTT
VTT S oft Start time
S3 is go high to 0.9 5*VTT Regu lation
25
30
3 5
us
Sour cin g Cu rrent
(VLDOIN=1.5V)
TJ=25
oC
1.2
1.8
2.6
Sinking Curr ent
(VLDOIN =1.5V )
T
J=25
oC
-1.3
-1 .8
-2 .6
A
Sour cin g Cu rrent
(VLDOIN =1.35 V)
TJ=25
oC
1.1
1.8
2.6
Sinking Curr ent
(VLDOIN =1.35 V)
TJ=25
o
C
-1.2
-1 .8
-2 .6
A
Sinking Curr ent
(VLDOIN =1.2V )
T
J=25
oC
1
1.8
2.6
ILIM
Curr ent-Limit
Sinking Curr ent
(VLDOIN =1.2V )
TJ=25
oC
-1.05
-1 .8
-2 .6
A
Upper MOS FE T
-
3 50
500
RDS(ON)
VTT P owe r MO SFETs RDS(ON)
Lower MOS FE T
-
3 50
500
m
IVTTLK
VTT Le akage Curre nt
VVTT = 1.25V, VS3 = 0 V, V S5 = 5V,
TA = 25
o
C
-1.0
-
1.0
µA
IVTTSNSLK VTTSNS Leakage Cu rrent
VVTT = 1.25V, TA = 25
oC
-1.00
0.01
1 .00
µA
IVTTDIS
VTT Discharge Curr ent
VVTT = 0.5V, VS3 = VS5 = 0 V, TA = 25
oC
VVREF = 0V
15
25
-
mA
VTTRE F O UTP UT
VLDOIN = VVDDQSNS = 1.5V, VVDDQSNS/2
-
0.75
-
VLDOIN = VVDDQSNS = 1.35V, V VDDQSNS/2
-
0 .6 75
-
VVTTREF
VTTREF O utp ut Voltage
VLDOIN = VVDDQSNS = 1.2V, VVDDQSNS/2
-
0.6
-
V
-10mA < I
VTTREF < 10 mA , VVD DQSNS/2 - VVTTR EF
VLDOIN = VVTTREF =1.5V
-20
-
20
-10mA < IVTTREF < 10 mA , VVDDQSNS/2 - VVTTREF
VLDOIN = VVDDQSNS = 1.35 V
-20
-
20
VTTREF Toler ance
-10mA < IVTTREF < 10 mA , VVDDQSNS/2 - VVTTREF
VLDOIN = VVDDQSNS = 1.2V
-20
-
20
mV
IVTTREF
VTTREF So urce Curren t
VVTTREF = 0V
-10
-20
- 50
mA
IVTTREF
VTTREF Si nk Curre nt
VVTTREF = 1.5V
10
20
60
mA



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