Owner's manual

ULTRA LOW QUIESCENT CURRENT CMOS LDO AP2138/2139
Data Sheet
10
Jul. 2012 Rev. 2. 3 BCD Semiconductor Manufacturing Limited
Parameter Symbol Conditions Min Typ Max Unit
Input Voltage V
IN
6.6 V
Output Voltage V
OUT
1.764 1.800 1.836 V
Quiescent Current I
Q
I
OUT
=0 1.0 1.5 μA
Standby Current (AP2139) I
STD
V
CE
=0 0.1 1 μA
Output Current I
OUT
250 mA
Load Regulation
V
RLOAD
1mA≤I
OUT
≤100mA
25 40 mV
Line Regulation
V
RLINE
2.8V≤V
IN
≤6V
618 mV
Dropout Voltage
V
DROP
I
OUT
=10mA 25 100
mV
I
OUT
=30mA 120 250
I
OUT
=100mA 400 700
I
OUT
=250mA 850 1100
Output Voltage
Temperature Coefficient
ΔV
OUT
/ΔT
±180
μV/
o
C
(ΔV
OUT
/V
OUT
)/ΔT
±100
ppm/
o
C
Short Circuit Current
I
SHORT
V
OUT
=0
50 mA
CE Pull-down Constant
Current (AP2139)
I
PD
0.2 μA
CE Input Logic-high
Voltage (AP2139)
V
IH
1.2 V
CE Input Logic-low
Voltage (AP2139)
V
IL
0.3 V
Thermal Resistance
θ
JC
SOT-23-3 81.9
o
C/W
SOT-23-5 81.9
SOT-89 51.1
Electrical Characteristics (Continued)
AP2138/2139-1.8 Electrical Characteristics
(V
IN
=2.8V, V
CE
=2.8V (AP2139),T
J
=25
o
C, I
OUT
=40mA, C
IN
=C
OUT
=1μF, Bold typeface applies over -40
o
C ≤T
J
≤ 85
o
C, unless
otherwise specified.)