参数资料
型号: AS1341-BTDT-1K
厂商: ams
文件页数: 4/18页
文件大小: 0K
描述: IC REG BUCK 5V/ADJ 0.6A 8TDFN
设计资源: Design Support Tool
标准包装: 1
类型: 降压(降压)
输出类型: 两者兼有
输出数: 1
输出电压: 5V,1.25 V ~ 20 V
输入电压: 4.5 V ~ 20 V
频率 - 开关: 200kHz
电流 - 输出: 600mA
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-WDFN 裸露焊盘
包装: 标准包装
供应商设备封装: 8-TDFN(3x3)
其它名称: AS1341-BTDT-1KDKR
AS1341
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
V IN = +12V, SHDNN = V IN , Typical values are at T AMB = +25oC (unless otherwise specified). Specifications based on circuit shown in Figure 1
on page 1 .
Table 3. Electrical Characteristics
Symbol
T AMB
V IN
V OUT
V DROPOUT
Parameter
Operating Temperature Range
Input Voltage Range
Output Voltage (Preset Output)
Output Voltage (Adjustable)
Dropout Voltage
Conditions
FB = GND
I OUT = 600mA, ILIMIT = V IN
Min
-45
4.5
4.85
1.25
Typ
5.00
250
Max
85
20
5.15
V IN
Units
°C
V
V
mV
Line Regulation
Load Regulation
V IN = 6V to 20V, 200 ? load
ILIMIT = V IN , I OUT = 0 to 500mA
0.1
1
%/V
%
V FB
I IN
I INDROP
Feedback Set Voltage (Adjustable
Output)
Input Supply Current
Input Supply Current in Dropout
Input Shutdown Current
No load
No load
SHDNN = GND
1.212
1.25
12
45
0.8
1.288
18
60
3
V
μA
μA
μA
V UVLO
I FB
Input Undervoltage Lockout
Threshold
OUT Bias Current
FB Bias Current
FB Threshold Low
V IN rising
V IN falling
V OUT = 5.5V
V FB = 1.3V
3.6
3.5
2
-25
50
4.0
3.9
3.5
100
4.4
4.3
5
+25
150
V
μA
nA
mV
Thermal Shutdown
10oC hysteresis
145
oC
DC-DC Switches
t OFFMIN
LX Switch Minimum Off-Time
0.2
0.4
0.6
μs
t ONMAX
R LX
I LXPEAK
LX Switch Maximum On-Time
LX Switch On-Resistance
LX Current Limit
V FB = 1.3V
V IN = 6V
V IN = 4.5V
ILIMIT = GND, L = 39μH
ILIMIT = IN, L = 10μH
8
500
1000
10
0.4
0.5
700
1400
12
900
1800
μs
?
mA
LX Zero-Crossing Threshold
Zero-Crossing Timeout
LX Switch Leakage Current
LX does not rise above the threshold
V IN = 20V, LX = GND, T AMB = +25oC
V IN = 20V, LX = GND
-75
30
+75
0.1
1
mV
μs
μA
Control Inputs
Digital Input Level
Digital Input Leakage Current
SHDNN, ILIMIT = GND
SHDNN, ILIMIT = IN
V SHDNN , V ILIMIT = 0 to 20V, V IN = 20V
2.4
-100
0.8
+100
V
nA
Power-OK
Power-OK Threshold
POK Output Voltage Low
POK Output Leakage Current
Falling edge, relative to V OUT
I POK = 1mA
V IN , V POK = 16V, T AMB = 25°C
V IN , V POK = 16V
90
92.5
95
0.4
0.1
1
%
V
μA
Note: All limits are guaranteed. The parameters with min and max values are guaranteed with production tests or SQC (Statistical Quality
www.ams.com/DC-DC_Step-Up/AS1341
Revision 1.09
4 - 18
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