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AS1324 bảng dữ liệu(PDF) 4 Page - ams AG

tên linh kiện AS1324
Giải thích chi tiết về linh kiện  1.5MHz, 600mA Synchronous DC/DC Conver ter
PDF  21 Pages
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nhà sản xuất  AMSCO [ams AG]
Trang chủ  http://www.ams.com
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AS1324 bảng dữ liệu(HTML) 4 Page - ams AG

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www.ams.com/DC-DC_Step-Up/AS1324
Revision 1.06
4 - 21
AS1324
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 = EN = 3.6V, VOUT < VIN - 0.5V, TAMB = -40 to +85°C, typ. values @ TAMB = +25ºC (unless otherwise specified).
Note:
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
VIN
Input Voltage Range
2.7
5.5
V
IQ
Quiescent Current
Powersave Mode; VFB = 0.62V or VOUT = 103%,
IOUT = 0mA, TAMB = +25ºC
30
35
µA
ISHDN
Shutdown Current
Shutdown Mode; VEN = 0V, TAMB = +25ºC
0.1
1
Regulation
VFB
Regulated Feedback Voltage
1
1. The device is tested in a proprietary test mode where VFB is connected to the output of the error amplifier.
AS1324, IOUT = 100mA
0.585
0.6
0.615
V
∆VFB
Reference Voltage
Line Regulation
VIN = 2.7V to 5.5V
0.1
1
%/V
IVFB
Feedback Current
TAMB = +25ºC
-30
30
nA
VOUT
Regulated Output Voltage
AS1324-AD, IOUT = 100mA
2
2. Please see Feedback Resistor Selection on page 13 for resistor values.
VFB
V
AS1324-12, IOUT = 100mA
1.164
1.20
1.236
AS1324-15, IOUT = 100mA
1.455
1.50
1.545
AS1324-18, IOUT = 100mA
1.746
1.80
1.854
∆VOUT
Output Voltage
Line Regulation
VIN = 2.7 to 5.5V
0.1
1
%/V
VLOADREG
Output Voltage
Load Regulation
IOUT = 0 to 100mA
0.02
%/mA
DC-DC Switches
IPK
Peak Inductor Current
VIN = 3V, VFB = 0.5V or VOUT = 90%, TAMB =
25ºC
0.5
0.75
1
A
RPFET
P-Channel FET RDS(ON)
ILSW = 100mA
0.4
Ω
RNFET
N-Channel FET RDS(ON)
ILSW = -100mA
0.35
Ω
ILSW
SW Leakage
VEN = 0V, VSW = 0V or 5V
±0.01
±1
µA
Control Inputs
VEN
EN Threshold
0.3
1
1.5
V
IEN
EN Leakage Current
±0.01
±1
µA
Oscillator
fOSC
Oscillator Frequency
VFB = 0.6V or VOUT = 100%
1.2
1.5
1.8
MHz
VFB = 0V or VOUT = 0V, TAMB = 25ºC
115
kHz



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