AP7217
500mA CMOS LDO
AP7217
Document number: DS31292 Rev. 4 - 2
4 of 10
www.diodes.com
April 2010
© Diodes Incorporated
Electrical Characteristics (V
IN
= 12V, T
A
= +25°C, unless otherwise noted)
(T
A
= 25°C, C
IN
= 1µF, C
OUT
= 1µF, V
EN
= V
IN
, unless otherwise noted)
Symbol Parameter Test Conditions Min Typ. Max Unit
I
Q
Quiescent Current I
O
= 0mA - 50 70 μA
I
STB
Standby Current
V
EN
= Off
V
IN
= 5.0V
15 30
μA
VR
OUT
Output Voltage Accuracy I
O
= 30mA, V
IN
= 5V 3.234 3.300 3.366 V
VR
OUT
Temperature
Coefficient
-40°C to 85°C, I
OUT
= 30mA
±100
ppm /
o
C
V
DROPOUT
Dropout Voltage I
OUT
= 100mA 100 250 mV
I
OUT
Maximum Output
Current
V
IN
= 5.3V 500 mA
I
LIMIT
Current Limit V
IN
= 5.3V 600 mA
I
short
Short Circuit Current V
IN
= 5.3V 50 mA
ΔV
LINE
/ΔV
IN
/VR
OUT
Line Regulation 4.3V ≤ V
IN
≤ 5.5V; I
OUT
= 30mA 0.01 ±0.2 %/V
ΔVR
OUT
Load Regulation 1mA ≤ I
OUT
≤ 100mA, V
IN
= 5.3V 15 50 mV
PSRR Power Supply Rejection
V
IN
= 4.3V+ 0.5Vp-
pAC,
I
OUT
= 50mA
F= 1KHz 55 dB
V
EH
EN Input Threshold
Output ON 1.6 V
V
EL
Output OFF 0.25 V
I
EN
Enable Pin Current -0.1 0.1 μA
V
DF
Detect fall voltage 3.83 3.91 3.98 V
V
Hysteresis
V
D
Hysteresis Range
V
DF
x1.02
V
DF
x1.05
V
DF
x1.08
V
IVD
OUT
VD Supply Current
VD
OUT
= 0.5V
V
IN
= 2.0V
3.0V
20
30
mA
t
RP
V
DOUT
Delay Time V
IN
= 1.8V to VDF+ 1V 10 20 40 mSec
θ
JA
Thermal Resistance
Junction to Ambient
SOP-8L (Note 2) 134 ºC/W
θ
JC
Thermal Resistance
Junction to Case
SOP-8L (Note 2) 28 ºC/W
Notes: 2. Test conditions for SOP-8L: Devices mounted on FR-4 PC board, MRP, 2oz copper layout, calibrate at T
J
=150 ºC, measure at
T
A
=25ºC, minimum recommended pad layout
