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AS1325 Folha de dados(PDF) 5 Page - ams AG

Nome de Peças AS1325
Descrição Electrónicos  300mA Step-Up DC-DC Converter
PDF  17 Pages
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Fabricante Electrônico  AMSCO [ams AG]
Página de início  http://www.ams.com
Logo AMSCO - ams AG

AS1325 Folha de dados(HTML) 5 Page - ams AG

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Revision 1.01
5 - 17
AS1325
Data Sheet - 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
5.0V Output
TAMB = -40 to +85ºC, VBATT = +2V, VOUT = +5.0, VSHDNN = +1.5V (unless otherwise specified). Typ values @ TAMB = +25ºC.
2. Voltage which triggers next loading cycle. Ripple and rms value depend on external components.
Table 4. Electrical Characteristics
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Battery Input Range
VBATT
1.5
5.0
V
Startup Battery Input Voltage
1
1. Guaranteed by design.
VSU
RLOAD = 100
Ω, TAMB = +25ºC
1.22
1.5
V
RLOAD = 100
Ω, TAMB = -40 to +85ºC
1.24
Output Voltage
2
2. Voltage which triggers next loading cycle. Ripple and rms value depend on external components.
VOUT
TAMB = +25ºC
4.950
5.000
5.050
V
TAMB = -40 to +85ºC
4.875
5.125
N-Channel
On-Resistance
RNCH
ILX = 100mA, TAMB = +25ºC
0.3
1.2
Ω
ILX = 100mA, TAMB = -40 to +85ºC
1.5
P-Channel On-Resistance
RPCH
ILX = 100mA, TAMB = +25ºC
0.4
1.3
Ω
ILX = 100mA, TAMB = -40 to +85ºC
1.6
Light Load N-Channel Switch
Current Limit
400
mA
N-Channel Switch Current Limit
1
IMAX
TAMB = +25ºC
550
700
850
mA
TAMB = -40 to +85ºC
450
950
Switch Maximum
On-Time
tON
TAMB = +25ºC
5
7
9
µs
TAMB = -40 to +85ºC
4
10
P-Channel Minimum On-Time
1
µs
Synchronous Rectifier
Zero-Crossing Current
TAMB = +25ºC
8
30
60
mA
TAMB = -40 to +85ºC
0
65
Quiescent Current into OUT
VOUT = +5.5V, TAMB = +25ºC
35
55
µA
VOUT = +5.5V, TAMB = -40 to +85ºC
60
Shutdown Current into OUT
VSHDNN = 0V, TAMB = +25ºC
0.01
1
µA
VSHDNN = 0V, TAMB = -40 to +85ºC
2
Shutdown Current into BATT
VSHDNN = 0V, TAMB = +25ºC
0.01
1
µA
VSHDNN = 0V, TAMB = -40 to +85ºC
2
SHDNN Logic Low
1
VBATT = +1.5 to +5.0V
0.3
V
SHDNN Threshold
Rising Edge, TAMB = +25ºC
1.185
1.228
1.271
V
Rising Edge, TAMB = -40 to +85ºC
1.170
1.286
SHDNN Threshold Hysteresis
0.02
V
RESETN Threshold
Falling Edge, TAMB = +25ºC
4.288
4.500
4.712
V
Falling Edge, TAMB = -40 to +85ºC
4.242
4.758
RESETN Voltage Low
IRESETN = 1mA, VOUT = +2.5V,
TAMB = +25ºC
0.15
V
IRESETN = 1mA, VOUT = +2.5V,
TAMB = -40 to +85ºC
0.2
RESETN Leakage Current
VRESETN = +5.5V, TAMB = +25ºC
0.1
100
nA
VRESETN = +5.5V, TAMB = +85ºC
1
LX Leakage Current
TAMB = +25ºC
0.1
1000
nA
TAMB = +85ºC
10
Maximum Load Current
ILOAD
VBATT = +2V
185
mA
Efficiency
η
VBATT = +3V, ILOAD = 100mA
91
%



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