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AS1347 Datasheet(PDF) 5 Page - ams AG

Part # AS1347
Description  Dual Step-Down Converter with Battery Monitoring
Download  16 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS1347 Datasheet(HTML) 5 Page - ams AG

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www.ams.com/DC-DC_Step-Down
Revision 1.10
5 - 16
AS1346-49
Datasheet - Electrical Characteristics
RDSON2(P)
Pin-Pin Resistance for PMOS2
VDD = 5.0V, ISW = 200mA
150
m
RDSON2(N)
Pin-Pin Resistance for NMOS2
VDD = 5.0V, ISW = 200mA
250
m
Enable
VIH,EN
Logic high input threshold
1.2
V
VIH,EN
Logic low input threshold
0.5V
V
Low Battery & Power-OK
VLBI
LBI Threshold
Falling Edge
1.16
1.2
1.24
V
LBI Hysteresis
10
mV
LBI Leakage Current
LBI = 5V, TA = 25°C
1
nA
LBO Voltage Low
2
ILBO = 0.1mA
0.05
V
LBO Leakage Current
LBO = 5V, TA = 25°C
1
nA
Power-OK Threshold
LBI = 0V, Falling Edge
85
88
90
%
1. The dynamic supply current is higher due to the gate charge delivered at the switching frequency. The Quiescent Current is measured
while the DC-DC Converter is not switching.
2. LBO goes low in startup mode as well as during normal operation if,
1) The voltage at the LBI pin is higher than LBI threshold.
2) The voltage at the LBI pin is below 0.1V (connected to GND) and VOUT1 is below 92.5% of its nominal value.
Table 4. Electrical Characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Units


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