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AS1331 数据表(PDF) 4 Page - ams AG

部件名 AS1331
功能描述  300mA Buck-Boost Synchronous DC/DC Converters
PDF  16 Pages
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制造商  AMSCO [ams AG]
网页  http://www.ams.com
标志 AMSCO - ams AG

AS1331 数据表(HTML) 4 Page - ams AG

  AS1331 Datasheet HTML 1Page - ams AG AS1331 Datasheet HTML 2Page - ams AG AS1331 Datasheet HTML 3Page - ams AG AS1331 Datasheet HTML 4Page - ams AG AS1331 Datasheet HTML 5Page - ams AG AS1331 Datasheet HTML 6Page - ams AG AS1331 Datasheet HTML 7Page - ams AG AS1331 Datasheet HTML 8Page - ams AG AS1331 Datasheet HTML 9Page - ams AG Next Button
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www.austriamicrosystems.com
Revision 1.03
4 - 16
AS1331
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
VIN = 3.6V, VOUT = 3.3V, TAMB = -40°C to +85ºC. Typical values are at TAMB = +25ºC. Unless otherwise specified.
Table 3. Electrical Characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Input
VIN
Input Voltage Range
1.8
5.5
V
Minimum Startup Voltage
ILOAD < 1mA
1.6
1.8
V
VUV
Undervoltage Lockout
Threshold
1
VIN decreasing
1.5
1.6
1.7
V
Regulation
VOUT
Output Voltage Adjustable
Version
2.50
3.30
V
Output Voltage 3.3V
No Load
3.201
3.3
3.399
V
Output Voltage 3.0V
2.910
3.0
3.090
V
Output Voltage 2.5V
2.425
2.5
2.575
V
VFB
FB Voltage Adjustable version
No Load
1.212
1.25
1.288
V
IFB
FB Input Current Adjustable
Version
VFB = 1.3V, TAMB = 25°C
1
100
nA
VOUT Lockout Threshold
2
Rising Edge
2.0
2.15
2.3
V
Operating Current
IQ
Quiescent Current VIN
VIN = 5V
26
µA
Quiescent Current VOUT
VIN = 5V, VOUT = 3.6V, VFB = 1.3V
20
32
µA
ISHDN
Shutdown Current
EN = 0V, VOUT = 0V, TAMB = +25ºC
0.01
1
µA
Switches
IMOS
MOS Switch Leakage
VIN = 5V, TAMB=25°C, Switches A-D
0.01
1
µA
RON
NMOS B, C
VIN = 5V
0.13
Ω
PMOS A
VIN = 5V
0.17
Ω
PMOS D
VOUT = 3.3V
0.21
Ω
IPEAK
Peak Current Limit
L = 6.8µH, VIN = 5V
450
600
750
mA
Enable
VENH
EN Input High
1.4
V
VENL
EN Input Low
0.4
V
IEN
EN Input Current
EN = 5.5V, TAMB = 25°C
1
100
nA
Low Battery & Power-OK
LBI Threshold
Falling Edge
1.212
1.25
1.288
V
LBI Hysteresis
10
mV
LBI Leakage Current
LBI = 5.5V, TAMB = 25°C
1
100
nA
LBO Voltage Low
3
ILBO = 1mA
0.05
0.2
V
LBO Leakage Current
LBO = 5.5V, TAMB = 25°C
1
100
nA
Power-OK Threshold
LBI = 0V, Falling Edge
90
92.5
95
%



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