Diodes AP133 - Manual (Page 5)

AP133
300mA, LOW QUIESCENT CURRENT, FAST TRANSIENT
LOW DROPOUT LINEAR REGULATOR
AP133 Rev. 6 5 of 15 FEBRUARY 2009
www.diodes.com © Diodes Incorporated
Electrical Characteristics
(T
A
= 25 o C, V
IN
= V
OUT
+1V, C
IN
= 1uF, C
OUT
= 1uF, V
EN
= 2V, unless otherwise stated)
Symbol Parameter Test Conditions Min Typ. Max Unit
I
Q
Input Quiescent Current I
OUT
= 0~300mA ⎯ 40 60 uA
I
SHDN
Input Shutdown Current V
EN
= 0V, I
OUT
= 0
⎯
1 uA
I
LEAK
Input Leakage Current V
EN
= 0V, OUT grounded
⎯
1 uA
V
Dropout
Dropout Voltage V
OUT
≥ 1.5V, I
OUT
= 300mA 350 450 mV
V
REF
ADJ reference voltage I
OUT
= 0 0.8 V
I
ADJ
ADJ leakage ⎯ 1 uA
V
OUT
Output Voltage Accuracy -2 2 %
ΔV
OUT
/
ΔV
IN
/V
Line Regulation
V
IN
= V
OUT
+1V to 5.5V,
I
OUT
= 1mA
0.05 %/V
ΔV
OUT
/V
OUT
Load Regulation I
OUT
from 1mA to 300mA -1 1 %
t
ST
Start-up Time
V
EN
= 0V to 2.0V,
I
OUT
= 300mA
25 us
PSRR PSRR 1kHz, I
OUT
= 0mA 65 dB
I
SHORT
Short-circuit Current V
IN
= 5.0V, V
OUT
< 0.2V 120 mA
I
LIMIT
Current limit V
OUT
= 3V, R
OUT
= 3 Ω 400 600 mA
V
IL
EN Input Logic Low Voltage 0.4 V
V
IH
EN Input Logic High Voltage 1.4 V
I
EN
EN Input leakage V
EN
= 0V or 5.5V -1 1 uA
T
SHDN
Thermal shutdown threshold 145
°C
T
HYS
Thermal shutdown hysteresis 20
°C
θ
JA
Thermal Resistance
Junction-to-Ambient SOT25 Device mounted on FR-4
substrate, 2oz copper, with
minimum recommended pad
layout. 176
o C/W
DFN2020-6 142
θ
JC
Thermal Resistance
Junction-to-Case SOT25 41
o C/W
DFN2020-6 36