Data sheet, Electrical characteristics, Parameter symbol conditions min typ max unit – Diodes AUR9705 User Manual
Page 5
Data Sheet
1.5MHz, 1A, STEP DOWN DC-DC CONVERTER AUR9705
Sep. 2013 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
5
Electrical Characteristics
V
IN
=V
EN
=5V, V
FB
=0.6V, L=2.2
μH, C
IN
= 4.7
μF, C
OUT
=10
μF, T
A
=25°C, unless otherwise specified.
Parameter Symbol Conditions Min
Typ
Max
Unit
Input Voltage Range
V
IN
2.5 5.5 V
Shutdown Current
I
OFF
V
EN
=0V
0.1
1
μA
Regulated
1
Feedback
Voltage
V
FB
For
Adjustable
Output
Voltage
0.585
0.6
0.615
V
Regulated Output
Voltage Accuracy
ΔV
OUT
/V
OUT
V
IN
=2.5V to 5.5V,
I
OUT
=0 to 1A
-3 3 %
Peak Inductor
Current
I
PK
V
FB
=0.5V
1.5 A
Oscillator Frequency
f
OSC
1.2
1.5
1.8
MHz
PMOSFET R
ON
R
ON(P)
I
OUT
=200mA
0.25
Ω
NMOSFET R
ON
R
ON(N)
I
OUT
=200mA
0.27
Ω
Quiescent Current
I
Q
I
OUT
=0A, V
FB
=0.7V
100
μA
LX Leakage Current
I
LX
V
EN
=0V, V
LX
=0V or 5V
0.01 0.1
μA
Feedback Current
I
FB
30
nA
EN Leakage Current
I
EN
0.01
0.1
μA
EN High-level Input
Voltage
V
EN_H
V
IN
=2.5V to 5.5V
1.5
V
EN Low-level Input
Voltage
V
EN_L
V
IN
=2.5V to 5.5V
0.6
V
Under Voltage Lock
Out
V
UVLO
Rising
1.8 V
Hysteresis
0.1 V
Thermal Shutdown
T
SD
160
°C