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参数资料
| 型号： | AS1329C EB |
| 厂商： | ams |
| 文件页数： | 15/20页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL AS1329C |
| 设计资源： | Design Support Tool |
| 标准包装： | 1 |
| 主要目的： | DC/DC，步升 |
| 输出及类型： | 1，非隔离 |
| 输出电压： | 3.3V 或 5V |
| 电流 - 输出： | 160mA 或 570mA |
| 输入电压： | 0.85 ~ 5 V |
| 稳压器拓扑结构： | 升压 |
| 频率 - 开关： | 1.2MHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | AS1329C |
AS1329
Datasheet - A p p l i c a t i o n I n f o r m a t i o n
Figure 28. Efficiency Comparison of Different Inductors, V IN = 1.5V, V OUT = 3.3V
90
85
80
75
70
65
92
90
88
86
84
60
55
50
45
40
10uH - Coi l cr af t (M OS6020-103M L)
10uH - Sumi da(CDRH4D18-100)
6. 8uH - Sumi da(CDRH4D18-6R8)
6. 8uH - Sumi da(CR43-6R8)
4. 7uH - Coi l cr af t(M OS6020-472M L)
4. 7 uH - Sumi da(CDRH4D18-4R7)
3. 3 uH - Coi l c r af t (M OS6020-332M L)
82
80
78
76
10uH - Coi l c r af t (M OS6020-103M L)
10uH - Sumi da(CDRH4D18-100)
6. 8uH - Sumi da(CDRH4D18-6R8)
6. 8uH - Sumi da(CR43-6R8)
4. 7uH - Coi l c r af t (M OS6020-472M L)
4. 7 uH - Sumi da(CDRH4D18-4R7)
3. 3 uH - Coi l cr af t (M OS6020-332M L)
0.1
1
Output Current (mA)
10
10
Output Current (mA)
100
9.3.2
Output Capacitor Selection
Low ESR capacitors should be used to minimize V OUT ripple. Multi-layer ceramic capacitors are recommended since they have extremely low
ESR and are available in small footprints. A 2.2 to 10μF output capacitor is sufficient for most applications. Larger values up to 22μF may be
used to obtain extremely low output voltage ripple and improve transient response.
An additional phase lead capacitor may be required with output capacitors larger than 10μF to maintain acceptable phase margin. X5R and X7R
dielectric materials are recommended due to their ability to maintain capacitance over wide voltage and temperature ranges.
Table 7. Recommended Output Capacitor
Part Number
JMK212BJ226MG-T
C
22μF ±20%
TC Code
X5R
Rated Voltage
6.3V
Dimensions (L/W/T)
2x1.3x1.3mm
Taiyo Yuden
www.t-yuden.com
Input Capacitor Selection. Low ESR input capacitors reduce input switching noise and reduce the peak current drawn from the battery.
Ceramic capacitors are recommended for input decoupling and should be located as close to the device as is practical. A 4.7μF input capacitor
is sufficient for most applications. Larger values may be used without limitations.
Table 8. Recommended Input Capacitor
Part Number
GRM31CR70J106KA01L
C
10μF ±10%
TC Code
X7R
Rated Voltage
6.3V
Dimensions (L/W/T)
3.2x1.6x1.6mm
Murata
www.murata.com
Diode Selection. A Schottky diode should be used to carry the output current for the time it takes the PMOS synchronous rectifier to switch
on. For V OUT < 4.5V a Schottky diode is optional, although using one will increase device efficiency by 2% to 3%.
Note: Do not use ordinary rectifier diodes, since the slow recovery times will compromise efficiency.
www.ams.com/DC-DC_Step-Up/AS1329
Revision 1.12
15 - 20
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AS1329C-TT_EK_ST | 功能描述:AS1329C - DC/DC, Step Up 1, Non-Isolated Outputs Evaluation Board 制造商:ams 系列:- 零件状态:有效 主要用途:DC/DC，步升 输出和类型:1，非隔离 功率 - 输出:- 电压 - 输出:3.3V 或 5V 电流 - 输出:570mA 电压 - 输入:0.85 V ~ 5 V 稳压器拓扑:升压 频率 - 开关:1.2MHz 板类型:完全填充 所含物品:板 使用的 IC/零件:AS1329C 标准包装:1 |
| AS132R4FLF | 制造商:TT Electronics / IRC 功能描述:AS132R4FLF |
| AS132R4HLF | 制造商:TT Electronics / IRC 功能描述:AS132R4HLF |
| AS132R4JLF | 制造商:TT Electronics / IRC 功能描述:AS132R4JLF |
| AS1330 | 制造商:AMSCO 制造商全称:austriamicrosystems AG 功能描述:4MHz, Low Voltage, DC-DC Step-Up Converter |
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