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APW8813 Datasheet(PDF) 7 Page - Anpec Electronics Coropration

Part # APW8813
Description  DDR2 And DDR3 Power Solution Synchronous Buck Controller With 1.5A LDO
PDF  31 Pages
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Manufacturer  ANPEC [Anpec Electronics Coropration]
Direct Link  http://www.anpec.com.tw
Logo ANPEC - Anpec Electronics Coropration

APW8813 Datasheet(HTML) 7 Page - Anpec Electronics Coropration

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Copyright
© ANPEC Electronics Corp.
Rev. A.6 - Sep., 2012
APW8813/A
www.anpec.com.tw
7
Electrical Characteristics (Cont.)
APW8813/A
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
PGOOD
PGOOD in from Lower (PGOOD Goes High)
87
90
93
%
PGOOD Low Hysteresis (PGOOD Goes Low)
-
3
-
%
PGOOD in from Higher (PGOOD Goes Low)
120
125
130
%
VPGOOD
PGOOD Threshold
PGOOD High Hysteresis (PGOOD Goes High)
-
3
-
%
IPGOOD
PGOOD Leakage Current
VPGOOD = 5V
-
0.1
1.0
µA
PGOOD Sink Current
VPGOOD = 0.5V
2.5
7.5
-
mA
PGOOD Debounce Time
-
63
-
µs
GATE DRIVERS
UGATE Pull-Up Resistance
BOOT-UGATE = 0.5V
-
5
7
Ω
UGATE Sink Resistance
UGATE-PHASE = 0.5V
-
1
2.5
Ω
LGATE Pull-Up Resistance
PVCC-LGATE = 0.5V
-
5
7
Ω
LGATE Sink Resistance
LGATE-PGND = 0.5V
-
1
2.5
Ω
UGATE to LGATE Dead Time
UGATE falling to LGATE rising, no load
-
40
-
ns
LGATE to UGATE Dead Time
LGATE falling to UGATE rising, no load
-
40
-
ns
BOOTSTRAP DIODE
Forward Voltage
VPVCC - VBOOT, IF = 10mA, TA = 25
oC
-
0.5
0.8
V
Reverse Leakage
VBOOT = 30V, VPHASE = 25V, VPVCC = 5V,
TA = 25
oC
-
-
0.5
µA
LOGIC THRESHOLD
VIH
S3, S5 High Threshold Voltage
S3, S5 Rising
1.6
-
-
V
VIL
S3, S5 Low Threshold Voltage
S3, S5 Falling
-
-
0.3
V
S5 to S3 Debounce Time
S5 from L to H, VDDQ, VREF are on
-
90
-
µs
S3 to S0 Debounce Time
S3 from L to H, VTT is on
-
10
-
µs
IILEAK
Logic Input Leakage Current
VS3 = VS5 = VMODE = 5V, TA = 25
oC
-1
-
4.7
µA
VFCCMTHR
FCCM High Threshold (Only for
APW8813)
In Automatic PFM/PWM Mode
4.7
-
-
V
VFCCMTHF
FCCM Low Threshold (Only for
APW8813)
In Force PWM Mode
-
-
0.1
V
No Discharge
4.7
-
-
VTHMODE
MODE Threshold (Only for
APW8813)
Non-tracking Discharge
-
-
0.1
V
VVDDQ = 1.5V
0.08
0.15
0.4
VDDQSET Threshold
VVDDQ = 1.8V
3.5
4
4.5
V
THERMAL SHUTDOWN
TSD
Thermal Shutdown Temperature
TJ Rising
-
160
-
oC
Thermal Shutdown Hysteresis
-
25
-
oC
Refer to the typical application circuits. These specifications apply over V
VCC=VPVCC=VBOOT=5V, VIN=12V and TA= -40 ~ 85 °C, unless
otherwise specified. Typical values are at T
A=25°C.



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