AP1187 ANACHIP [Anachip Corp], AP1187 Datasheet - Page 3

• Manufacturer Part Number: AP1187
• Description: 1A Ultra Low Dropout Positive Adjustable Regulator
• Manufacturer: ANACHIP [Anachip Corp]

Unless otherwise specified, these specifications apply over, C
V
Anachip Corp.
www.anachip.com.tw
1A Ultra Low Dropout Positive Adjustable Regulator
Sym.
V
OUT
REF
= V
Electrical Characteristics
Typical Application Circuit
Reference Voltage T
Line Regulation
Load Regulation
Dropout Voltage
(V
Dropout Voltage
(V
Current Limit
Minimum Load
Current
Thermal
Regulation
Ripple Rejection
Control Pin
Current
Adjust Pin Current V
Thermal
Resistance
Junction-to-Case
Power Dissipation
SENSE
CTRL
IN
-V
Parameter
.
OUT
-V
OUT
)
3.3V
470uF
)
+
I
0mA<I
V
V
V
V
V
V
V
30ms Pulse
V
V
V
V
SOP-7: Control Circuitry/Power Transistor
Package: SOP-7L, with heat sink or amount of copper
board needed.
O
J
CTRL
ADJ
IN
ADJ
CTRL
CTRL
CTRL
CTRL
RIPPLE
ADJ
CTRL
CTRL
=10mA, V
=25
=2.05V, I
5V
470uF
=0V for all conditions below.
=0V for all conditions below.
=0V for all conditions below.
=2.75V, V
o
= V
=3V, I
=3V, V
=5V, V
=5V, V
=2.75V, V
O
=1Vpp at 120Hz
C,(V
121
ohm
121
ohm
<1.0A, T
IN
IN
+
+ 1V
OUT
O
O
-V
IN
IN
IN
=1.0A
=1.0A
+0.5V<V
=2.05V, ∆V
=3.3V, V
=5V, I
OUT
IN
IN
J
=25
ADJ
V
V
V
=2.05,V
)=0.5V, I
=2.05V, I
SENSE
IN
CTRL
Test Condition
O
o
AP1187
C, (V
=1.0A, V
IN
IN
ADJ
=1uF, C
<12V V
ADJ
O
O
IN
=0V
O
3/6
=100mV, V
=10mA V
V
V
=1.0A
=0
– V
OUT
OUT
NC
V
OUT
ADJ
IN
OUT
CTRL
=10uF, and T
=0V, T
) = 2V,
=V
CTRL
ADJ
IN
J
+1V
=0V
=V
=25,
J
=0 to 150
IN
+1V
o
C. Typical value refer to T
+
470uF
1.225 1.250 1.275
Min. Typ. Max. Unit
1.1
60
2.5V/1A
Rev.1.1 Aug 23, 2005
0.01 0.02
1.5
0.5
20
70
50
5
6
1
AP1187
120
0.2
1.7
0.6
10
10
1
2
J
=25
o
O
C.
%W
mA
mA
C/W
dB
µA
%
%
W
V
V
V
A