Ap1184, Electrical characteristics – Diodes AP1184 User Manual
Page 4
AP1184
4A ULTRA LOW DROPOUT POSITIVE ADJUSTABLE OR
FIXED-MODE REGULATOR
AP1184 Rev. 5
4 of 12
SEPTEMBER 2008
www.diodes.com
©
Diodes Incorporated
Electrical Characteristics
(Under Operating Conditions)
Unless otherwise specified, these specifications apply over, C
in
= 1uF, C
out
= 10uF, and T
j
= 0 to 150
o
C. Typical value refer to T
A
= 25
o
C.
V
out
= V
sense
Sym.
Parameter
Test Condition
Min Typ. Max Unit
V
REF
Reference Voltage AP1184-Adj
I
o
=10mA, T
A
= 25
o
C, (V
in
-V
out
) = 0.7V,
V
ctrl
= V
IN
+1V
1.225 1.250 1.275 V
Line
Regulation AP1184-XXX
I
O
= 10mA, V
OUT
+0.7V<V
IN
<12V, T
A
= 25
o
C
V
ctrl
= V
IN
+1V
0.2
%
AP1184-1.5
I
OUT
= 10mA, T
A
= 25
o
C, 2.2V V
IN
12V
V
ctrl
= V
IN
+1V
1.470 1.500 1.530
V
AP1184-1.8
I
OUT
= 10mA, T
A
= 25
o
C, 2.5V V
IN
12V
V
ctrl
= V
IN
+1V
1.764 1.800 1.836
V
AP1184-2.5
I
OUT
= 10mA, T
A
= 25
o
C, 3.2V V
IN
12V
V
ctrl
= V
IN
+1V
2.450 2.500 2.550
V
AP1184-3.3
I
OUT
= 10mA, T
A
= 25
o
C, 4.0V V
IN
12V
V
ctrl
= V
IN
+1V
3.235 3.300 3.365
V
V
out
Output
Voltage
AP1184-5.0
I
OUT
= 10mA, T
A
= 25
o
C, 5.7V V
IN
12V
V
ctrl
= V
IN
+1V
4.900 5.000 5.100
V
AP1184-Adj
0mA<Io<4A, T
A
= 25
o
C
(V
IN
- V
OUT
) =2V ,V
ctrl
= V
IN
+ 1V
1
%
AP1184-1.5
V
IN
= 3V, 0mA<Io<4A, T
A
= 25
o
C
V
ctrl
= 4V
12 15
mV
AP1184-1.8
V
IN
= 3.3V, 0mA<Io<4A, T
A
= 25
o
C
V
ctrl
= 4.3V
15 18
mV
AP1184-2.5
V
IN
= 4V, 0mA<Io<4A, T
A
= 25
o
C
V
ctrl
= 5V
20 25
mV
AP1184-3.3
V
IN
= 5V, 0mA<Io<4A, T
A
= 25
o
C
V
ctrl
= 6V
26 33
mV
Load
Regulation
AP1184-5.0
V
IN
= 8V, 0mA<Io<4A, T
A
= 25
o
C
V
ctrl
= 9V
40 50
mV
Dropout Voltage
(V
ctrl
–V
out
)
V
adj
= 0V for all conditions below.
V
in
= 2.05V, I
o
= 1.5A
V
in
= 2.05V, I
o
= 3A
V
in
= 2.05V, I
o
= 4A
1.10
1.15
1.18
1.25
V
Dropout Voltage
(V
in
– V
out
)
V
adj
= 0V for all conditions below.
V
ctrl
= 2.75V, I
o
= 1.5A
V
ctrl
= 2.75V, I
o
= 3A
V
ctrl
=2.75V, I
o
=4A
0.26
0.50
0.70
0.38
0.60
0.85
V
Current
Limit
V
ctrl
= 2.75V, V
in
= 2.05V,
ΔVo = 100mV, V
adj
= 0V
4.2 A
Minimum Load
Current
V
ctrl
= 5V, V
in
= 3.3V, V
adj
= 0V
5
10
mA
Thermal Regulation 30mS Pulse
0.01
0.02
%/W
Ripple
Rejection
Vctrl = 5V, Vin = 5V, Io = 4A, Vadj = 0V, Tj = 25, Vripple =1Vpp
at 120Hz
60 70 dB
Control Pin Current
Vadj = 0V for all conditions below.
Vctrl = 2.75V, Vin = 2.05V, Io = 1.5A
Vctrl = 2.75V, Vin = 2.05V, Io = 3A
Vctrl = 2.75V, Vin = 2.05V, Io = 4A
6
30
33
25
60
70
mA