AP1128 데이터 시트보기 (PDF) - Anachip Corporation
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AP1128 Datasheet PDF : 7 Pages
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3A Bus Terminator Regulator
AP1128
Electrical Characteristics
VIN = +2.5V, VCNTL = +3.3V, VREFEN = +1.25V, COUT = 10uF (Ceramic)
Symbol
Parameter
Conditions
VOS
Output Offset Voltage (Note 1)
∣∆VLOAD∣ Load Regulation
VIN
VCNTL
ICNTL
Input Voltage Range (DDR I/II) (Note2)
Gate Drive Voltage Range (Note2)
Operation Current of VCNTL
ISHDN Current in Shutdown
IQ
Quiescent Current
Short Circuit Protection
ILIMIT
Current Limit
IOUT=0A
IL: 0A --> 1.5A
IL: 0A --> -1.5A
VCNTL ≥ VIN
VCNTL ≥ VIN
IOUT = 0A
VREFEN < 0.2V,
RL=180Ω
IOUT=0A
SOP-8
TO-252
Over Temperature Protection
TOS
Thermal Shutdown Temperature
3.3V ≤ VCNTL ≤ 5V
Shutdown Function
Shutdown Threshold Trigger
Output = High
Shutdown Threshold Trigger
Output = Low
Note 1: VOS is the voltage measurement VOUT subtracted from VREFEN.
Note 2: Keep VCNTL ≥ VIN at power on/off sequences.
Note 3: Surface mounted on 1 in2 copper pad of FR4 board
Min.
-20
-
-
1.6
-
-
-
-
-
-
-
0.8
-
Typ. Max. Unit
-5
20 mV
0.5
0.5
2
2
%
2.5/1.8
-
V
3.3
6
V
3
6
mA
10
90 uA
1
3
mA
2
3
-
-
A
140
-
oC
-
-
-
0.2
V
Typical Performance Characteristics
1.30
1.30
1.28
1.28
1.26
1.26
1.24
1.24
1.22
1.22
1.20
1.5 1.6 1.7 1.9 2.1 2.3 2.5
VIN (V)
Fig 1. Line Regulation ( VIN v.s. VOUT )
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
VCNTL (V)
Fig 3. Line Regulation ( VCNTL v.s. ICNTL )
1.20
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
VCNTL (V)
Fig 2. Line Regulation ( VCNTL v.s. VOUT )
Anachip Corp.
www.anachip.com.tw
Rev.1.0 Jul 20, 2005
3/7
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