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APW8813 Datasheet(PDF) 6 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) 6 Page - Anpec Electronics Coropration

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Copyright
© ANPEC Electronics Corp.
Rev. A.6 - Sep., 2012
APW8813/A
www.anpec.com.tw
6
Electrical Characteristics (Cont.)
APW8813/A
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VDDQ OUTPUT (CONT.)
VVDDQSET = 0V, No load, TA = 25
oC
1.488
1.5
1.512
V
VVDDQSET = 0V, No load, TA = -40
oC to 85oC
1.485
1.5
1.515
V
VVDDQ
1.5V VDDQ Output Voltage
VVDDQSET = 0V, Load = 0 to 10A, TA = 25
oC
1.47
1.5
1.53
V
Adjust Mode, TA = 25
oC
0.745
0.75
0.755
V
Adjust Mode, TA = -40
oC to 85oC
0.7425
0.75
0.7575
V
Adjust Mode, TA = 25
oC,
VVCC = 4.5V to 5.5V, VIN = 3V to 28V
-0.1
-
+0.1
%
VVDDQSET
VDDQSET Regulation Voltage
Adjust Mode, TA = 25
oC,
Load = 0 to 10A, VVCC = 4.5V to 5.5V
-1
-
+1
%
VVDDQSET = 0V (DDR3)
-
240
-
RVDDQSNS
VDDQSNS Input Impedance
VVDDQSET = 5V (DDR2)
-
288
-
k
Ω
VDDQSET Input Current
VVDDQSET = 0.78V
-0.1
-
+0.1
µA
VDDQ Discharge Current
VS3 = VS5 = 0V, VVDDQSNS = 0.5V,
VMODE = 0V (Non-Tracking)
15
25
-
mA
LDOIN Discharge Current
VS3 = VS5 = 0V, VVDDQSNS = 0.5V,
VMODE = 0.5V (Tracking, only for APW8813)
400
550
-
mA
PWM CONTROLLERS
FSW
Operating Frequency
Adjustable Frequency
100
-
550
kHz
TSS
Internal Soft-Start Time
S5 is High to VVDDQ Regulation
0.9
1.2
1.5
ms
TO
On Time
VIN = 19V, VVDDQ = 1.5V, RTON = 1.2M
235
277
320
ns
TOFF(MIN)
Minimum off Time
-
300
-
ns
TON(MIN)
Minimum on Time
80
110
140
ns
Zero-Crossing Threshold
-9.5
0.5
10.5
mV
VDDQ PROTECTIONS
TA = 25
oC
9
10
11
µA
CS Pin Sink Current
Temperature Coefficient, On The Basis of 25°C
-
4500
-
ppm/
oC
OCP Comparator Offset
(VPVCC - VCS) - (VPHASE - PGND),
VPVCC - VCS = 60mV
-15
0
+15
mV
VDDQ Current-Limit Setting
Range
VPVCC-VCS
30
-
200
mV
VDDQ OVP Trip Threshold
VVDDQ Rising
120
125
130
%
VDDQ OVP Debounce Delay
VFB Rising, DV = 10mV
-
1.5
-
µs
VDDQ UVP Trip Threshold
VVDDQ Falling
60
70
80
%
VDDQ UVP Trip Hysteresis
-
3
-
%
VDDQ UVP Debounce
-
10
-
µs
VDDQ UVP Enable Delay
-
2
-
ms
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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