AS1326
Datasheet - 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
CLK/SEL = FB = PGND = GND, ISET = REF, OUT = POUT, V
OUT
= 3.6V, T
AMB
= -40 to +85ºC. Typical values are at
T
AMB
= +25ºC. Unless otherwise specified.
Table 4. Electrical Characteristics
Symbol
DC-DC Converter
V
IN
V
MINSU
Input Voltage Range
1
2
Parameter
Condition
Min
Typ
Max
Unit
0.7
I
LOAD
< 1mA, T
AMB
= +25ºC
0.9
-1.6
V
OUT
= 1.5V
CLK/SEL = OUT
125
0.8
80
0.5
V
FB
< 0.1V, CLK/SEL = OUT, includes load
regulation for 0 < I
LX
< 0.55A
3.17
3.3
1.240
0.01
-1
2.5
Rising edge
V
ISET
= 1.25V, T
AMB
= +25ºC
V
ON
= 0V, V
ONN
= 3.6V
CLK/SEL = GND
CLK/SEL = OUT
2.00
-50
2.15
0.01
0.1
65
2
500
1
86
5.0
1.1
V
V
mV/°C
Minimum Startup Voltage
Temperature Coefficient of
Startup Voltage
f
SU
f
SW
Frequency in Startup Mode
Internal Oscillator Frequency
Oscillator Maximum
3
Duty Cycle
f
SWEXT
V
OUT
V
FB
I
FB
External Clock
Frequency Range
Output Voltage
FB Regulation Voltage
FB Input Leakage Current
Load Regulation
V
OUTADJ
Output Voltage
Adjust Range
Output Voltage
4
Lockout Threshold
ISET Input Leakage Current
I
SHDN
Supply Current in Shutdown
No-Load Supply Current
5
5
1000
1.2
90
1.2
3.38
1.270
100
kHz
MHz
%
MHz
V
V
nA
%
Adjustable output, CLK/SEL = OUT,
includes load regulation for 0 < I
LX
< 0.55A 1.215
V
FB
= 1.35V, T
AMB
= +25ºC
CLK/SEL = OUT, no load to full load,
0 < I
LX
< 1.0A
-100
5.0
2.30
50
5
100
V
V
nA
µA
µA
mA
No-Load Supply Current ,
Forced PWM Mode
DC-DC Switches
POUT Leakage Current
LX Leakage Current
R
ON
I
NMOS
References
V
REF
Reference Output Voltage
Reference Load Regulation
Reference Supply Rejection
Switch On-Resistance
N-Channel Current Limit
V
LX
= 0, V
OUT
= 5.5V, T
AMB
= +25ºC
V
LX
= V
OUT
= 5.5V, in shutdown,
T
AMB
= +25ºC
N-channel
P-channel
1.25
0.1
0.1
0.2
0.25
1.6
10
10
0.35
0.45
1.95
µA
µA
Ω
A
I
REF
= 0
-1µA < I
REF
< +50µA
2.5V < V
OUT
< 5V
1.230
1.250
5
0.2
1.270
15
6
V
mV
mV
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