Diodes AUR9707 - Manual (Page 5)

Data Sheet
Dual High-efficiency PWM Step-down DC-DC Converter with OVP AUR9707
Feb. 2012 Rev. 1. 1 BCD Semiconductor Manufacturing Limited
5
Electrical Characteristics
V
IN
=3.6V, V
OUT
=2.5V, V
REF
=0.6V, L=2.2 µH, C
IN
=4.7 µF, C
OUT
=10 µF, T
A
=25°C, I
MAX
=1A.
Parameter Symbol Conditions Min Typ Max Unit
Input Voltage Range V
IN
2.5 5.5 V
Shutdown Current I
OFF
V
EN
=0 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
∆V
OUT
/V
OUT
V
IN
=2.5V to 5.5V;
I
OUT
=0 to 1A
-3 3 %
Peak Inductor
Current
I
PK
V
IN
=3V, V
FB
=0.5V 1.5 A
Oscillator Frequency f
OSC
V
IN
=3.6V 1.2 1.5 1.8 MHz
PMOSFET R
ON
R
ON(P)
V
IN
=3.6V, I
OUT
=200mA 0.28 Ω
NMOSFET R
ON
R
ON(N)
V
IN
=2.5V, I
OUT
=200mA 0.38 Ω
V
IN
=3.6V, I
OUT
=200mA 0.25 Input DC Bias
Current
I
S
V
IN
=2.5V, I
OUT
=200mA 0.35
µA
LX Leakage Current I
LX
V
IN
=5V, V
EN
=0V, V
LX
=0V or
5V
0.01 0.1 µA
Feedback Current I
FB
30 nA
Input Over Voltage
Protection
V
LOVP
6 V
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
1.8 V
Hysteresis 0.1 V
Thermal Shutdown T
SD
150 °C