参数资料
型号: AS1390A-ZQFT
厂商: ams
文件页数: 6/21页
文件大小: 0K
描述: IC BOOST CTLR/BUCK CONV 20-QFN
标准包装: 6,000
拓扑: 降压(降压),升压(升压)
输出数: 1
内部驱动器:
类型 - 主要: 背光
电源电压: 10 V ~ 30 V
安装类型: 表面贴装
封装/外壳: 20-VFQFN 裸露焊盘
供应商设备封装: 20-QFN(4x4)
包装: 带卷 (TR)
工作温度: -40°C ~ 85°C
AS1390A, AS1390B
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
VDDH = 24V, EN_BOOST = 5V, unless otherwise noted . Typical values are at T A =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 3. Electrical Characteristics
Symbol
T A
T J
V DDH
Parameter
Operating Temperature Range
Operating Junction Temperature Range
1
Supply Voltage Range
Conditions
Min
-40
-40
10
Typ
Max
+85
+125
30
Units
°C
°C
V
V FB
I Q
Feedback Voltage
Quiescent Supply Current
1.25
1
V
mA
Boost Converter
V OUT Boost
2
Output Voltage Range
Accuracy
30
-2
90
+2
V
%
I OUT Boost
f SW
Output current Boost Converter
Boost Swichting Frequency
3
1000
275
3000
mA
kHz
Buck Converter
V OUT Buck
Output Voltage Range
Accuracy
I OUT Buck = 50mA
-5.0
5
+5.0
V
%
I OUT Buck
f SW
R ON_Buck
Output current Buck Converter
Buck Switching Frequency
Driver ON Resistance Buck
100
1000
3
mA
kHz
?
Driver Stage
R SWON1
R SWON2
V DRV,peak
Driver ON Resistance Top
Driver ON Resistance Bottom
Driver Peak Voltage (voltage @ VDDM)
8
8
9
?
?
V
t RISE
t FALL
Driver Pin Rise Time
Driver Pin Fall Time
C GS = 3nF, VDDM = 9V,
V DRV = 0 to 3V
25
25
ns
ns
Undervoltage Lockout
V REF
I HYST
UVLO Reference Voltage
Hysteresis Current
1.35
20
V
A
Enable
V IH,EN
V IH,MODE
V IL,EN
V IL,MODE
Logic high input threshold
Logic low input threshold
1.8
0.8V
V
V
www.austriamicrosystems.com/Power-Management/AS1390
Revision 1.04
5 - 20
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