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| 型号： | AS1329A EB |
| 厂商： | ams |
| 文件页数： | 15/20页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL AS1329A |
| 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： | AS1329A |
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 |
|---|---|
| AS1329B | 制造商:AMSCO 制造商全称:austriamicrosystems AG 功能描述:Low Voltage, Micropower, DC-DC Step-Up Converters |
| AS1329B EB | 功能描述:BOARD EVAL AS1329B RoHS:否 类别:编程器，开发系统 >> 评估板 - DC/DC 与 AC/DC（离线）SMPS 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:True Shutdown™ 主要目的:DC/DC，步升 输出及类型:1，非隔离 功率 - 输出:- 输出电压:- 电流 - 输出:1A 输入电压:2.5 V ~ 5.5 V 稳压器拓扑结构:升压 频率 - 开关:3MHz 板类型:完全填充 已供物品:板 已用 IC / 零件:MAX8969 |
| AS1329BBTTT | 制造商:AMS 功能描述:IC STEP-UP DC/DC CONVERTER 6-SOT-23 制造商:AMS 功能描述:IC, STEP-UP DC/DC CONVERTER, 6-SOT-23; Primary Input Voltage:1.2V; No. of Outputs:1; Output Voltage:5V; Output Current:220mA; No. of Pins:6; Operating Temperature Min:-40C; Operating Temperature Max:85C; Output Current Max:315mA ;RoHS Compliant: Yes |
| AS1329B-BTTT | 功能描述:IC REG BOOST SYNC ADJ TSOT23-6 RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:50 系列:- 类型:升压（升压） 输出类型:可调式 输出数:1 输出电压:5 V ~ 25 V 输入电压:2.3 V ~ 5.5 V PWM 型:电流模式 频率 - 开关:600kHz，1.2MHz 电流 - 输出:1A 同步整流器:无 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-TSSOP，8-MSOP（0.118"，3.00mm 宽） 包装:管件 供应商设备封装:8-MSOP |
| AS1329B-EB | 制造商:ams 功能描述:AS1329B Evaluation Board |
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