Diodes AP7335A - Manual (Page 4)

AP7335A
300mA, LOW QUIESCENT CURRENT, FAST TRANSIENT
LOW DROPOUT LINEAR REGULATOR
AP7335A
Document number: DS35267 Rev. 2 - 2
4 of 12
www.diodes.com
October 2011
© Diodes Incorporated
NEW PROD
UC
T
Electrical Characteristics
(T
A
= 25
o
C, V
IN
= 5.5 to 6V, C
IN
= 1 μF, C
OUT
= 1 μF, V
EN
= 2V, unless otherwise stated)
Symbol Parameter Test Conditions Min Typ. Max Unit
V
OUT
Output Voltage Accuracy
T
A
= -40
o
C to 85
o
C,
I
OUT
= 10% of I
OUT-Max
-1 1 %
ΔV
OUT
/
ΔV
IN
/V
Line Regulation
V
IN
= 5.5V to 6V,
V
EN
= V
IN
, I
OUT
= 1mA
0.02 0.20 %/V
ΔV
OUT
/V
OUT
Load Regulation
V
IN
= 5.5V to 6V,
I
OUT
= 1mA to 300mA
-0.6 0.6 %
V
DROPOUT
Dropout Voltage (Note 4) I
OUT
= 300mA 150 200 mV
I
Q
Input Quiescent Current V
EN
= V
IN
, I
OUT
= 0mA 35 80 μA
I
SHDN
Input Shutdown Current V
EN
= 0V, I
OUT
= 0mA 0.1 1 μA
I
LEAK
Input Leakage Current V
EN
= 0V, OUT grounded 0.1 1 μA
t
ST
Start-up Time
V
EN
= 0V to 2.0V in 1 μs,
I
OUT
= 300mA
220 μs
PSRR PSRR
V
IN
= 5.5V
DC
+ 0.5V
ppAC
,
f = 1kHz, I
OUT
= 50mA
65 dB
I
SHORT
Short-circuit Current
V
IN
= V
IN-Min
to V
IN-Max
,
V
OUT
< 0.2V (fixed) or
160 mA
I
LIMIT
Current limit
V
IN
= V
IN-Min
to V
IN-Max
,
V
OUT
/R
OUT
= 1.2A
400 650 mA
V
IL
EN Input Logic Low Voltage V
IN
= V
IN-Min
to V
IN-Max
0.4 V
V
IH
EN Input Logic High Voltage V
IN
= V
IN-Min
to V
IN-Max
1.4 V
I
EN
EN Input Current V
IN
= 0V or V
IN-Max
-1 1 μA
T
SHDN
Thermal shutdown threshold 145
°C
T
HYS
Thermal shutdown hysteresis 15
°C
θ
JA
Thermal Resistance Junction-to-Ambient
SOT25 (Note 5) 187
o
C/W
U-DFN2020-6 (Note 5) 251
Notes: 4. Dropout voltage is the voltage difference between the input and the output at which the output voltage drops 2% below its nominal value.
5. Test condition for all packages: Device mounted on FR-4 substrate PC board, 1oz copper, with minimum recommended pad layout.