Data sheet, Electrical characteristics – Diodes AUR9716 User Manual
Page 5
Data Sheet
1.0MHz to 1.4MHz, 2A, STEP DOWN DC-DC CONVERTER AUR9716
Apr. 2012 Rev. 1. 0 BCD Semiconductor Manufacturing Limited
5
Electrical Characteristics
V
IN
=5V, V
FB
=0.8V, f
OSC
=1.4MHz, L=1.5µH, C
IN
=10µF, C
OUT
=10µF, T
A
=25°C, unless otherwise specified.
Parameter Symbol
Test
Condition
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
Active Current
I
ON
V
FB
=0.95V
460
µA
Regulated Feedback Voltage
V
FB
For adjustable output voltage
0.784
0.8
0.816
V
Regulated Output Voltage
∆V
OUT
/V
OUT
V
IN
=2.5V to 5.5V,
I
OUT
=0A to 2A
-3 3
%
Peak Inductor Current
I
PK
V
FB
=0.7V 2.2
3.2
3.7
A
R
OSC
=5.1MΩ 1.12
1.4
1.68
Oscillator Frequency
f
OSC
Adjustable switching frequency
1.0
1.4
MHz
P_MOSFET R
ON
R
DSON(P)
I
SW
=0.5A 90
110
130
mΩ
N_MOSFET R
ON
R
DSON(N)
I
SW
=0.5A 90
110
130
mΩ
EN Input High-Threshold
Voltage
V
ENH
Enable Threshold
1.5
V
EN Input Low-Threshold
Voltage
V
ENL
Shutdown Threshold
0.4
V
EN Input Current
I
EN
2
µA
Soft-start Time
t
SS
800
µs
Maximum Duty Cycle
D
MAX
100
%
V
IN
Rising
2.4
V
IN
Falling
2.3
Under Voltage Lock Out
Threshold
V
UVLO
Hysteresis
0.1
V
Thermal Shutdown
T
SD
Hysteresis=30°C
150 °C
Error Amplifier Trans
Conductance
g
m
3000 µs
Current Sense Trans
Resistance
R
T
5
Ω