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APW8868B Datasheet(PDF) 4 Page - Anpec Electronics Coropration

Part # APW8868B
Description  DDR2 AND DDR3/DDR3L SYNCHRONOUS BUCK CONTROLLER WITH 1.5A LDO SUPPORT LOW IQ & DROOP
PDF  26 Pages
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Manufacturer  ANPEC [Anpec Electronics Coropration]
Direct Link  http://www.anpec.com.tw
Logo ANPEC - Anpec Electronics Coropration

APW8868B Datasheet(HTML) 4 Page - Anpec Electronics Coropration

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Copyright
© ANPEC Electronics Corp.
Rev. A.3 - Oct., 2017
www.anpec.com.tw
4
APW8868B
Symbol
Parameter
Range
Unit
V
CC
VCC Supply Voltage
4.5 ~ 5.5
V
V
IN
Converter Input Voltage
3 ~ 28
V
VVDDQ
Converter Output Voltage
0.75 ~5.5V
V
VVTT
LDO Output Voltage
0.375 ~ 2.75
V
I
OUT
Converter Output Current
0 ~ 15
A
IVTT
LDO Output Current
-1.5 ~ +1.5
A
C
VCC
VCC Capacitance
1~
µF
CVTT
VTT Output Capacitance
10~100
µF
CVTTREF
VTTREF Output Capacitance
0.01~0.1
µF
T
A
Ambient Temperature
-40 ~ 85
oC
T
J
Junction Temperature
-40 ~ 125
oC
Recommended Operating Conditions (Note 4)
Note 4: Refer to the typical application circuit.
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
SUP PLY CURRENT
I
VCC
VCC S upp ly Curre nt
TA = 25
o
C, VS3 = V S5 = 5V, no load , VCC Cu rrent
-
180
2 20
µA
IVCCSTB
VCC Standb y Curre nt
TA = 25
o
C, VS3 = 0 V, V S5 = 5V, no load, VCC
Current
-
120
1 60
µA
IVCCSDN
VCC S hutdown Current
TA =25
oC, V
S3 = VS5 = 0V, no loa d
-
0.1
1
µA
ILDOIN
LDOIN S uppl y Curren t
T
A = 25
oC, V
S3 = V S5 = 5V, no load
-
1
10
ILDOINSTB
LDOIN Standb y Curre nt
TA = 25
oC, V
S3 = 0 V, V S5 = 5V, no load,
-
0.1
10
ILDOINSDN LDOIN S hutdown Cu rrent
TA = 25
oC, V
S3 = V S5 = 0V, no load
-
0.1
1
µA
PO WER-ON-RES ET
VCC P OR Thr eshold
VCC Rising
3 .95
4.1
4.4
V
VCC P OR Hyste resis
-
0.1
-
V
VTT O UTP UT
VLDOIN = VVDDQSNS = 1.5V
-
0.75
-
VLDOIN = VVDDQSNS = 1.35 V
-
0.6 75
-
VVTT
VTT O utp ut Voltage
VLDOIN = VVDDQSNS = 1.2V
-
0.6
-
V
VLDOIN = VVDDQSNS = 1.5V , VVDDQSNS/2 - VVTT,
IVTT = 0 A
-20
-
2 0
V
LD OIN = VVDD QSNS = 1. 5V , VVDDQSNS/2 - VVTT,
IVTT = 1 A
-30
-
3 0
V
LD OIN = VVDD QSNS = 1. 35 V, VVD DQSNS/2 - VVTT,
IVTT = 0 A
-20
-
2 0
VVTT
VTT O utp ut Tolera nce
VLDOIN = VVDDQSNS = 1.35 V, VVDDQSNS/2 - VVTT,
IVTT = 1 A
-30
-
3 0
mV



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