參數(shù)資料
型號(hào): AS1343A-BTDT-10
廠商: AUSTRIAMICROSYSTEMS AG
元件分類: DC/DC變換器
英文描述: 42V, 1MHz, Single Cell, Boost; Package Type: TDFN(3x3)-10; Temperature Range: -40 - +85 °C; Dimension: 3 x 3 mm; Shutdown: Yes; Output Current: 140mA; Output Range: 5.5 to 42V; Supply Voltage: 0,90-3,60
封裝: TDFN(3x3)-10
文件頁數(shù): 4/17頁
文件大小: 1074K
代理商: AS1343A-BTDT-10
www.austriamicrosystems.com
Revision 1.04
4 - 17
AS1343
Datasheet - Electrical Characteristics
6 Electrical Characteristics
V
CC
= EN
=
3.6V, T
AMB
= -40 to +85
oC
(unless otherwise specified). Typ values are at T
AMB
= +25
oC
.
Table 3. Electrical Characteristics
Symbol
Parameter
Condition
Min
Typ
Max
Unit
Minimum Start-Up Voltage
V
OUT
= 12V, I
LOAD
= 1mA
0.95
1
V
V
CC
Supply Voltage
0.9
3.6
V
V
OUT
Output Voltage Range
5.5
42
V
I
Q
Quiescent Current
V
OUT
= 6V, V
FB
=1.3V
22
30
μA
I
SHDN
Shutdown Current
EN = GND,
T
AMB
= +25
oC
0.02
1
μA
EN = GND
3
μA
Δ
V
LNR
V
CC
Line Regulation
V
OUT
= 15V, I
LOAD
= 1mA,
V
CC
= 1.8 to 3.6V
0.05
%/V
Δ
V
LDR
Load Regulation
V
OUT
= 15V,
I
LOAD
= 0 to 20mA
0.01
%/mA
η
Efficiency
L
1
= 6.8μH, V
OUT
= 12V, I
LOAD
= 50mA
85
%
V
FB
Feedback Voltage
1.225
1.25
1.275
V
I
FB
Feedback Input Bias Current
DC-DC Switches
V
FB
= 1.3V
1
100
nA
I
LX(MAX)
LX Switch Current Limit
1.45
A
R
LX
NMOS Switch On-
Resistance
I
LX
= 100mA
0.9
1.5
Ω
R
P_ON
PMOS Switch On-
Resistance
I
SWout
= -100mA
0.3
1.0
I
LX_LEAK
LX Leakage Current
V
LX
= 42V
15
nA
I
P_LEAK
Control Inputs
Switch Leakage Current
P-channel
10
V
IH
EN Input Threshold
0.9V
V
CC
3.6V
0.8 x
V
CC
V
V
IL
0.2 x
V
CC
I
EN
EN Input Current
V
EN
= 0 to 3.6V
1
nA
POK Output
V
OL
POK Output Low Voltage
POK sinking 1mA
0.01
0.2
V
POK Output High Leakage
Current
POK = 3.6V
1
500
nA
POK Threshold
Falling edge, referenced to V
OUT(NOM)
87
90
93
%
Oscillator
f
CLK
Oscillator Frequency
0.85
1
1.15
MHz
Maximum Duty Cycle
90
95
%
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