AS1324
Data Sheet - Electrical Characteristics
6 Electrical Characteristics
VIN = EN = 3.6V, VOUT < VIN - 0.5V, TAMB = -40 to +85°C, typ. values @ TAMB = +25ºC (unless otherwise specified).
Table 4. Electrical Characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Units
VIN
Input Voltage Range
2.7
5.5
V
Powersave Mode; VFB = 0.62V or VOUT =
IQ
Quiescent Current
Shutdown Current
30
35
1
103%, IOUT = 0mA,
T
AMB = +25ºC
µA
ISHDN
Shutdown Mode; VEN = 0V,
TAMB = +25ºC
0.1
Regulation
Regulated Feedback
Voltage 1
VFB
AS1324, IOUT = 100mA
VIN = 2.7V to 5.5V
0.585
0.6
0.1
0.615
V
Reference Voltage
Line Regulation
ΔVFB
1
%/V
nA
IVFB
Feedback Current
TAMB = +25ºC
-30
30
AS1324-AD, IOUT = 100mA2
AS1324-12, IOUT = 100mA
AS1324-15, IOUT = 100mA
AS1324-18, IOUT = 100mA
VFB
1.164
1.455
1.746
1.20
1.50
1.80
1.236
1.545
1.854
Regulated Output
Voltage
VOUT
V
Output Voltage
Line Regulation
ΔVOUT
VIN = 2.7 to 5.5V
0.1
1
%/V
Output Voltage
Load Regulation
VLOADREG
IOUT = 0 to 100mA
0.02
%/mA
DC-DC Switches
VIN = 3V, VFB = 0.5V or VOUT = 90%,
TAMB = 25ºC
IPK
Peak Inductor Current
0.5
0.75
1
A
RPFET
RNFET
ILSW
P-Channel FET RDS(ON)
N-Channel FET RDS(ON)
SW Leakage
ILSW = 100mA
ILSW = -100mA
0.4
0.35
±0.01
Ω
Ω
VEN = 0V, VSW = 0V or 5V
±1
µA
Control Inputs
VEN
EN Threshold
0.3
1.2
1
1.5
±1
V
IEN
EN Leakage Current
±0.01
µA
Oscillator
VFB = 0.6V or VOUT = 100%
1.5
1.8
MHz
kHz
fOSC
Oscillator Frequency
VFB = 0V or VOUT = 0V, TAMB = 25ºC
115
1. The device is tested in a proprietary test mode where VFB is connected to the output of the error amplifier.
2. Please see Feedback Resistor Selection on page 13 for resistor values.
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