AP1128 ANACHIP [Anachip Corp], AP1128 Datasheet - Page 3

• Manufacturer Part Number: AP1128
• Description: 3A Bus Terminator Regulator
• Manufacturer: ANACHIP [Anachip Corp]

3A Bus Terminator Regulator
V
Note 1: V
Note 2: Keep V
Note 3: Surface mounted on 1 in
Anachip Corp.
www.anachip.com.tw
Short Circuit Protection
Over Temperature Protection
Shutdown Function
∣∆V
IN
Symbol
= +2.5V, V
Typical Performance Characteristics
V
I
I
I
Electrical Characteristics
V
SHDN
T
V
CNTL
LIMIT
CNTL
I
LOAD
OS
Q
OS
IN
Fig 3. Line Regulation ( V
1.30
1.28
1.26
1.24
1.22
1.20
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
OS
Fig 1. Line Regulation ( V
is the voltage measurement V
∣ Load Regulation
CNTL
CNTL
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
1.5
Output Offset Voltage
Input Voltage Range (DDR I/II)
Gate Drive Voltage Range
Operation Current of V
Current in Shutdown
Quiescent Current
Current Limit
Thermal Shutdown Temperature
Shutdown Threshold Trigger
Shutdown Threshold Trigger
= +3.3V, V
≥ V
IN
1.6
at power on/off sequences.
REFEN
1.7
V
2
copper pad of FR4 board
CNTL
= +1.25V, C
Parameter
V
IN
1.9
(V)
(V)
OUT
CNTL
IN
2.1
subtracted from V
(Note 1)
CNTL
v.s. V
OUT
v.s. I
= 10uF (Ceramic)
2.3
(Note2)
OUT
CNTL
(Note2)
2.5
)
)
REFEN
3/7
I
I
I
V
V
I
V
R
I
SOP-8
TO-252
3.3V ≤ V
Output = High
Output = Low
OUT
L
L
OUT
OUT
.
: 0A --> 1.5A
: 0A --> -1.5A
CNTL
CNTL
REFEN
L
=180Ω
Conditions
=0A
=0A
= 0A
≥ V
≥ V
< 0.2V,
CNTL
IN
IN
Fig 2. Line Regulation ( V
1.30
1.28
1.26
1.24
1.22
1.20
≤ 5V
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
Min.
-20
1.6
0.8
-
-
-
-
-
-
-
-
-
-
2.5/1.8
V
Typ.
140
CNTL
0.5
0.5
3.3
10
-5
3
1
2
3
-
-
(V)
CNTL
AP1128
Rev.1.0 Jul 20, 2005
Max.
v.s. V
0.2
20
90
2
2
6
6
3
-
-
-
-
-
OUT
Unit
mV
mA
mA
uA
o
%
V
V
A
V
C
)