AS1357
Data Sheet
- Electrical Characteristics
6 Electrical Characteristics
V
DD
= 4V; T
AMB
= -40 to +85°C (Typ values are for T
AMB
= 25°C); C
LOAD
= 1µF (Ceramic); unless otherwise specified.
Table 3. Electrical Characteristics
Symbol
V
DD
V
OUT
R
ON
PSRR
1
I
OFF
I
VDD
t
set
1
Parameter
Supply Voltage Range
Output Voltage Range
On Resistance
Power Supply
Rejection Ratio
Shut Down Current
Supply Current
Output Voltage
Settling Time
f = 1kHz, C
REF
= 100nF
f = 100kHz, C
REF
= 100nF
ENx = Low
Without Load
I
LOAD
Switched from 0 to 100mA
C
REF
= 100nF Pre-charged
t
start
1
Start-up Time
2
C
REF
= 0nF Uncharged
C
REF
= 100nF Uncharged
V
OUT
Output Voltage Tolerance
I
LOAD
= 0mA, T
AMB
= 25°C
I
LOAD
= 0 to 200mA
V
DD
= 5.5V
V
LINEREG
Line Regulation, Static
V
DD
= 3 to 4.5V
I
LOAD
= 0 to 50 mA
V
LOADREG
V
IH
V
IL
I
LOAD
I
LIMIT
V
Noise
Load Regulation, Static
Enable Input Voltage High
Enable Input Voltage Low
Output Current
Output Current Limitation
Output Noise Voltage
Thermal Protection
Notes:
1. Guaranteed by design and verified by lab evaluation.
2. Startup is performed if any EN pin goes high.
10 to 100kHz, C
REF
= 100nF
0
400
40
145
I
LOAD
= 0 to 200 mA
(referenced to 100mA)
0.6 x V
DD
0.8
200
-1.5
-2
-1
-2
0.3
0.6
300
15
1.5
2
1
2
2.5
5
175
70
40
1
275
50
300
Conditions
Min
3
1.8
Typ
Max
5.5
3.3
1
Unit
V
V
Ω
dB
µA
µA
µs
µs
µs
ms
%
%
%
mV
1
mV
1
mV
1
V
V
mA
mA
µV
RMS
°C
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