AS1335 Ver la hoja de datos (PDF) - austriamicrosystems AG
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AS1335 Datasheet PDF : 19 Pages
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AS1335
Datasheet - Electrical Characteristics
6 Electrical Characteristics
VIN = EN = 3.6V, VOUT = VIN-0.5V, TAMB = -40°C to +85°C, typ. values @ TAMB = +25ºC (unless otherwise specified).
Table 3. Electrical Characteristics
Symbol
Parameter
Conditions
Min Typ Max Units
VIN
Input Voltage Range
2.6
5.25
Quiescent Supply Normal Operation; VFB = 0.5V or VOUT =
IQ
Current1
90% of regulated output voltage,
ILOAD = 0 A
300 400
IOUT
Output Current RMS
1.5
ISHDN
Shutdown Current
Shutdown Mode; VEN = 0V,
VIN = 4.2V
0.1
1
Regulation
ill VOUT
Regulated Output
Voltage
fixed VOUT
adjustable VOUT
Regulated Feedback
t VFB
Voltage2,3
TAMB = +25°C
TAMB = -40°C to +85°C
G s IFB
Feedback Current3
A t ΔVLNR
Reference Voltage
Line Regulation
VIN = 2.6V to 5.25V
s n ΔVLOADREG
Output Voltage
Load Regulation
ILOAD = 0A to 1.5A
e DC-DC Switches
m t VIN = 3V, VFB = 0.5V or VOUT = 90% of
IPK
Peak Inductor Current
regulated output voltage,
a n Duty Cycle < 35%
o RPFET P-Channel FET RDS(ON)
ILSW = 100mA
RNFET N-Channel FET RDS(ON)
ILSW = -100mA
c ILSW
SW Leakage
VEN = 0V, VSW = 0V or 5V,
VIN = 5V
l Enable
a VIH
Logic Input Threshold
ic VIL
Input High
Input Low
IEN
EN Leakage Current
VIN = 3.6V, VEN = 0V to 3.6V
Power-OK Output
chn VPOK
Power Good Low
Voltage Threshold
Power Good High
Voltage Threshold
Rising
Falling
Rising
Falling
TetDELAY
POK Delay Time
0.975
0.6
0.5880
0.5850
-30
-1
1.4
-1
89.5
85
108.2
104
150
1.0
0.6
0.6
100
100
2.4
0.4
0.35
0.01
0.01
92
88
110.7
107
215
1.025
VIN -
0.5V
0.6120
0.6150
+30
+1
0.4
+1
94.5
91
113.2
110
275
VOL
POK Output Voltage
Low
ISINK = 1mA, VFB = 0.7V
0.3
valid V
µA
A
µA
V
V
V
nA
mV
mA
A
Ω
Ω
µA
V
µA
%
VOUT
%
VOUT
ms
V
www.austriamicrosystems.com/DC-DC_Step-Down/AS1335
Revision 1.03
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