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 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 A = 25 o C (V IN - V OUT ) =2V ,V ctrl = V IN + 1V 1 % AP1184-1.5 V IN = 3V, 0mA A = 25 o C V ctrl = 4V 12 15 mV AP1184-1.8 V IN = 3.3V, 0mA A = 25 o C V ctrl = 4.3V 15 18 mV AP1184-2.5 V IN = 4V, 0mA A = 25 o C V ctrl = 5V 20 25 mV AP1184-3.3 V IN = 5V, 0mA A = 25 o C V ctrl = 6V 26 33 mV Load Regulation AP1184-5.0 V IN = 8V, 0mA A = 25 o C V ctrl = 9V 40 50 mV Dropout Voltage 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 V Dropout Voltage 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 0.38 V Current Limit V ctrl = 2.75V, V in = 2.05V, ΔVo = 100mV, V adj = 0V 4.2 A Minimum Load 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 60 70 dB Control Pin Current Vadj = 0V for all conditions below. 6 30 25 mA
(V
1.18
1.25
(V
0.50
0.70
0.60
0.85
Current
at 120Hz
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
33
60
70