参数资料
型号: AS3658F-BCTP
厂商: ams
文件页数: 17/158页
文件大小: 0K
描述: IC PMU POWER/AUDIO 124-CTBGA
标准包装: 2,500
应用: 便携式设备
电流 - 电源: 7mA
电源电压: 3 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 124-TFBGA
供应商设备封装: 124-CTBGA(8x8)
包装: 带卷 (TR)
AS3658
Data Sheet Confidential
- Detailed Description-Power Management Functions
Figure 4. DC/DC step-up Converter 2
   
   
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& &
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+,
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  '
   
& &
1
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&
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&
!
&
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% &
 
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6
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( (
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3   
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4 4#5
   
   
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Table 5. DC/DC Converter parameters
2 2
7
1 8 9  9
Symbol
I VDD
V FB1
V FB2
I DCDC_FB
Parameter
Quiescent Current
Feedback voltage for external
resistor divider:
Feedback voltage for current
sink regulation
Additional tuning current at
DCDC_FB
Accuracy of feedback current
Min
1.20
0
-5
Typ
140
1.25
0.5
Max
1.30
31
5
Unit
μA
V
V
μA
%
Note
Pulse skipping mode
for constant voltage control
DCDC_CURR1, DCDC_CURR2
or DCDC_CURR3
adjustable by software in 1μA
steps
@ full scale
V rsense_max Current limit voltage at Rsense
100
mV
E.g.: 0.65A for 0.15 Ω sense
resistor
R SW
switch resistance
1
Ω
ON-resistance of external
switching transistor
I load
f IN
Load current
Switching frequency
0
f clk_int /
2
50
mA
MHz
at 15V output voltage
internal CLK frequency/2
Programmable: 0.8 to 1.15 MHz
www.austriamicrosystems.com
Revision 1v13
16 - 157
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