Advanced Power
Electronics Corp.
ABSOLUTE MAXIMUM RATINGS
(Note1)
Input Voltage (V
IN
) ------------------------------------------- 6V
CNTL Pin Voltage (V
CNTL
) ---------------------------------
6V
Power Dissipation (P
D
) ------------------------------------- Internally Limited
Storage Temperature Range (T
ST
) ---------------------- -65 to +150°C
Lead Temperature (Soldering, 10sec.) ----------------
Thermal Resistance from Junction to Case (R
thjc
)
ESOP-8
TO-252-5L
28°C/W
6°C/W
260°C
AP1270
Note1 : Exceeding the absolute maximum rating may damage the device.
OPERATING RATING
(Note2)
Input Voltage (V
IN
) ------------------------------------------- 2.5V to 1.5V +3%
CNTL Pin Voltage (V
CNTL
) ---------------------------------
Ambient Temperature Range (T
A
) ----------------------
5.5V or 3.3V +5%
-40 to +85°C
Junction Temperature Range (T
J
) ----------------------- -40 to +125°C
Note2 : The device is not guaranteed to function outside its operating conditions.
ORDERING / PACKAGE INFORMATION
( Top View )
AP1270X-HF
Halogen-Free
MP : ESOP-8
H : TO-252-5L
VIN
GND
REFEN
VOUT
1
2
3
4
ESOP-8
8
NC
( Side View )
( Top View )
Metal
Tab
VCNTL
TO-252-5L
5
4
3
2
1
VOUT
VREFEN
VCNTL
GND
VIN
7 NC
GND
6
5
VCNTL
NC
R
thja
= 75 C/W
o
R
thja
= 40
o
C/W
ELECTRICAL SPECIFICATIONS
(V
IN
=1.8V, V
CNTL
=3.3V, V
REFEN
=0.9V, C
OUT
=10uF(Ceramic), T
A
=25
o
C, unless otherwise specified)
Parameter
Input
VCNTL Operation Current
Standby Current
Output (DDR / DDRII / DDRIII)
Output Offset Voltage
(Note3)
Load Regulation
Protection
Current Limit
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
REFEN Shutdown
Shutdown Threshold
V
IH
V
IL
Enable
Shutdown
0.65
-
-
-
-
0.2
V
I
LIM
T
SD
ΔT
SD
3.3V < VCNTL < 5V
3.3V < VCNTL < 5V
3.2
130
-
-
160
30
-
-
-
A
o
(Note4)
SYM
I
CNTL
I
STBY
V
OS
ΔV
Load
TEST CONDITION
I
OUT
= 0A
V
REFEN
< 0.2V (Shutdown), R
LOAD
= 180Ω
MIN
-
-
-20
-20
-20
TYP
1
50
-
-
-
MAX
2.5
90
20
20
20
UNITS
mA
uA
I
OUT
= 0A
I
OUT
= 10mA ~ 3A
I
OUT
= -10mA ~ -3A
mV
C
Note3. V
OS
offset is the voltage measurement defined as V
OUT
subtracted from V
REFEN
.
Note4. Regulation is measured at constant junction temperature by using a 5ms current pulse. Devices are tested for load regulation
in the load range from 0A to 3A.
2
A-POWER [ ADVANCED POWER ELECTRONICS CORP. ]
