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AS1346 数据表(PDF) 4 Page - ams AG

部件名 AS1346
功能描述  Dual Step-Down Converter with Battery Monitoring
PDF  16 Pages
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制造商  AMSCO [ams AG]
网页  http://www.ams.com
标志 AMSCO - ams AG

AS1346 数据表(HTML) 4 Page - ams AG

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www.ams.com/DC-DC_Step-Down
Revision 1.10
4 - 16
AS1346-49
Datasheet - Electrical Characteristics
6 Electrical Characteristics
PVIN = VDD = EN = 5V, unless otherwise noted. Typical values are at TA=25°C. All limits are guaranteed. The parameters with min and max
values are guaranteed with production tests or SQC (Statistical Quality Control) methods.
Table 4. Electrical Characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Units
TA
Operating Temperature Range
-40
+85
°C
TJ
Operating Junction Temperature Range
-40
+125
°C
VIN
Input Voltage Range
VIN
VOUT
2.7
5.5
V
VOUT
Output Voltage Range
(see Table 8 on page 15)
1.2
3.6
V
IQ
Quiescent Supply Current
1
2
2.8
mA
IOUT1
Output current 1
AS1346, VOUT1 = 3.3V
1200
mA
AS1347
500
mA
AS1348
500
mA
AS1349
1200
mA
IOUT2
Output current 2
AS1346, VOUT2 = 1.8V
500
mA
AS1347
500
mA
AS1348
950
mA
AS1349
1200
mA
ISHDN
Shutdown Current
0.1
1
μA
Regulation
VOUT1
Output Voltage 1
AS1346, IOUT1 = 100mA
3.234
3.3
3.366
V
Accuracy
+2
%
VOUT2
Output Voltage 2
AS1346, IOUT2 = 100mA
1.764
1.8
1.836
V
Accuracy
+2
%
Line Transient Response
VIN = 4.5V to 5.5V, IOUT1 = 500mA,
VOUT1 = 3.3V, EN2 = 0V
50
mVpk
Load Transient Response
VIN = 5V, IOUT1 = 0 to 500mA, VOUT1
= 3.3V, EN2 = 0V
50
mVpk
fOSC
Oscillator frequency
1.8
2
2.2
MHz
tON
Turn on time
350
μs
DC-DC Switches
ISW1
SW1 Current Limit
AS1346
1.55
A
ISW2
SW2 Current Limit
AS1346
800
mA
RDSON1(P)
Pin-Pin Resistance for PMOS1
VDD = 5.0V, ISW = 200mA
150
m
RDSON1(N)
Pin-Pin Resistance for NMOS1
VDD = 5.0V, ISW = 200mA
250
m



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