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参数资料
| 型号： | AS1335-BTDT-100 |
| 厂商： | ams |
| 文件页数： | 16/19页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC 1V 1.5A 10WFDFN |
| 标准包装： | 1,000 |
| 类型： | 降压（降压） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 1V |
| 输入电压： | 2.6 V ~ 5.25 V |
| PWM 型： | 电压模式 |
| 频率 - 开关： | 1.5MHz |
| 电流 - 输出： | 1.5A |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-WFDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 10-TDFN（3x3） |
AS1335
Datasheet - A p p l i c a t i o n I n f o r m a t i o n
Checking Transient Response
The main loop response can be evaluated by examining the load transient response. Switching regulators normally
take several cycles to respond to a step in load current. When a load step occurs, V OUT immediately shifts by an
amount equivalent to:
V DROP = Δ I LOAD x ESR
(EQ 12)
Where:
ESR is the effective series resistance of C OUT .
Δ I LOAD also begins to charge or discharge C OUT , which generates a feedback error signal. The regulator loop then acts
to return V OUT to its steady-state value. During this recovery time V OUT can be monitored for overshoot or ringing that
would indicate a stability problem.
Layout Considerations
The AS1335 requires proper layout and design techniques for optimum performance.
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The power traces (GND, SW, and VIN) should be kept as short, direct, and wide as is practical.
Pin FB should be connected directly to the Output Voltage.
The positive plate of C IN should be connected as close to VIN as is practical since C IN provides the AC current to
the internal power MOSFETs.
Switching node SW should be kept far away from the sensitive FB node.
The negative plates of C IN and C OUT should be kept as close to each other as is practical. A starpoint to Ground is
recommended.
Revision 1.03
15 - 18
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| AS1335-BTDT-AD | 功能描述:IC REG BUCK SYNC ADJ 10WFDFN 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 |
| AS1336A/B EB | 制造商:AMS 功能描述:BOARD EVAL FOR AS1336A/B |
| AS1336A/B-EB | 制造商:ams 功能描述:AS1336A/B Evaluation Board |
| AS1336A-BQFT | 功能描述:IC REG BST SYNC ADJ 75MA 16TQFN 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 |
| AS1336A-BQFT-AD | 制造商:AMS 功能描述:0 |
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