AS1324
Data Sheet - E l e c t r i c a l C h a r a c t e r i s t i c s
6 Electrical Characteristics
V
IN
= EN = 3.6V, V
OUT
< V
IN
- 0.5V, T
AMB
= -40 to +85°C, typ. values @ T
AMB
= +25ºC (unless otherwise specified).
Table 4. Electrical Characteristics
Symbol
V
IN
I
Q
I
SHDN
Regulation
V
FB
ΔV
FB
I
VFB
Regulated Feedback
1
Voltage
Reference Voltage
Line Regulation
Feedback Current
AS1324, I
OUT
= 100mA
V
IN
= 2.7V to 5.5V
T
AMB
= +25ºC
AS1324-AD, I
OUT
= 100mA
V
OUT
Regulated Output
Voltage
2
Parameter
Input Voltage Range
Quiescent Current
Shutdown Current
Conditions
Min
2.7
Typ
Max
5.5
Units
V
µA
Powersave Mode; V
FB
= 0.62V or V
OUT
=
103%, I
OUT
= 0mA,
T
AMB
= +25ºC
Shutdown Mode; V
EN
= 0V,
T
AMB
= +25ºC
30
0.1
35
1
0.585
0.6
0.1
0.615
1
30
V
%/V
nA
-30
V
FB
1.164
1.455
1.746
1.20
1.50
1.80
0.1
0.02
AS1324-12, I
OUT
= 100mA
AS1324-15, I
OUT
= 100mA
AS1324-18, I
OUT
= 100mA
1.236
1.545
1.854
1
V
ΔV
OUT
V
LOADREG
Output Voltage
Line Regulation
Output Voltage
Load Regulation
V
IN
= 2.7 to 5.5V
I
OUT
= 0 to 100mA
%/V
%/mA
DC-DC Switches
I
PK
R
PFET
R
NFET
I
LSW
Control Inputs
V
EN
I
EN
Oscillator
f
OSC
Oscillator Frequency
V
FB
= 0.6V or V
OUT
= 100%
V
FB
= 0V or V
OUT
= 0V, T
AMB
= 25ºC
1.2
1.5
115
1.8
MHz
kHz
EN Threshold
EN Leakage Current
0.3
1
±0.01
1.5
±1
V
µA
Peak Inductor Current
P-Channel FET R
DS(ON)
N-Channel FET R
DS(ON)
SW Leakage
V
IN
= 3V, V
FB
= 0.5V or V
OUT
= 90%,
T
AMB
= 25ºC
I
LSW
= 100mA
I
LSW
= -100mA
V
EN
= 0V, V
SW
= 0V or 5V
0.5
0.75
0.4
0.35
±0.01
±1
1
A
Ω
Ω
µA
1. The device is tested in a proprietary test mode where V
FB
is connected to the output of the error amplifier.
2. Please see
for resistor values.
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