参数资料
型号: AS1324-AD EB
厂商: ams
文件页数: 1/21页
文件大小: 0K
描述: BOARD EVAL AS1324-AD
设计资源: Design Support Tool
标准包装: 1
主要目的: DC/DC,步降
输出及类型: 1,非隔离
输出电压: 1.8V
电流 - 输出: 600mA
输入电压: 2.7 ~ 5.5 V
稳压器拓扑结构: 降压
频率 - 开关: 1.5MHz
板类型: 完全填充
已供物品:
已用 IC / 零件: AS1324-AD
A S1 3 2 4
1 .5 M H z, 6 0 0m A S yn ch r o n o u s D C/ DC C o n v e r te r
1 General Description
The AS1324 is a high-efficiency, constant-frequency synchronous
buck converter available in adjustable- and fixed-voltage versions.
The wide input voltage range (2.7V to 5.5V), automatic powersave
mode and minimal external component requirements make the
AS1324 perfect for any single Li-Ion battery-powered application.
Typical supply current with no load is 30μA and decreases to ≤ 1μA
in shutdown mode.
The AS1324 is available as the standard versions listed in Table 1 .
Table 1. Standard Versions
2 Key Features
High Efficiency: Up to 96%
Output Current: 600mA
Input Voltage Range: 2.7V to 5.5V
Constant Frequency Operation: 1.5MHz
Variable- and Fixed-Output Voltages
No Schottky Diode Required
Model
AS1324-AD
AS1324-12
AS1324-15
AS1324-18
Output Voltage
Adjustable via External Resistors
Fixed: 1.2V
Fixed: 1.5V
Fixed: 1.8V
Automatic Powersave Operation
Low Quiescent Current: 30μA
Internal Reference: 0.6V
Shutdown Mode Supply Current: ≤ 1μA
An internal synchronous switch increases efficiency and eliminates
the need for an external Schottky diode. The internally fixed
switching frequency (1.5MHz) allows for the use of small surface
mount external components.
Very low output voltages can be delivered with the internal 0.6V
feedback reference voltage.
The AS1324 is available in a 5-pin TSOT-23 package.
Figure 1. Typical Application Diagram – High Efficiency Step
Down Converter
Thermal Protection
5-pin TSOT-23 Package
3 Applications
The device is ideal for mobile communication devices, laptops and
PDAs, ultra-low-power systems, threshold detectors/discriminators,
telemetry and remote systems, medical instruments, or any other
space-limited application with low power-consumption requirements.
V IN = 2.7V to 5.5V
4
3
4.7μH
V OUT = 1.8V, 600mA
EN 1
5 V OUT
C IN
VIN
SW
C OUT
10μF
AS1324-18
10μF
AS1324-18
GND 2
1
5
EN
www.ams.com/DC-DC_Step-Up/AS1324
2
GND
VOUT
Revision 1.06
SW 3
4 V IN
1 - 21
相关PDF资料
PDF描述
R1S12-0524/P-R CONV DC/DC 1W 05VIN 24VOUT
AD581UH IC VREF SERIES PREC 10V TO-5-3
GCM06DCAD-S189 CONN EDGECARD 12POS R/A .156 SLD
A9CCA-1008E FLEX CABLE - AFK10A/AE10/AFK10A
RSM03DSEN-S13 CONN EDGECARD 6POS .156 EXTEND
相关代理商/技术参数
参数描述
AS1324-BTTT-12 功能描述:IC REG BUCK SYNC 1.2V TSOT23-5 RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 设计资源:Design Support Tool 标准包装:1 系列:- 类型:升压(升压) 输出类型:固定 输出数:1 输出电压:3V 输入电压:0.75 V ~ 2 V PWM 型:- 频率 - 开关:- 电流 - 输出:100mA 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:SOT-23-5 细型,TSOT-23-5 包装:剪切带 (CT) 供应商设备封装:TSOT-23-5 其它名称:AS1323-BTTT-30CT
AS1324-BTTT-15 功能描述:IC REG BUCK SYNC 1.5V TSOT23-5 RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 设计资源:Design Support Tool 标准包装:1 系列:- 类型:升压(升压) 输出类型:固定 输出数:1 输出电压:3V 输入电压:0.75 V ~ 2 V PWM 型:- 频率 - 开关:- 电流 - 输出:100mA 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:SOT-23-5 细型,TSOT-23-5 包装:剪切带 (CT) 供应商设备封装:TSOT-23-5 其它名称:AS1323-BTTT-30CT
AS1324-BTTT-18 功能描述:IC REG BUCK SYNC 1.8V TSOT23-5 RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 设计资源:Design Support Tool 标准包装:1 系列:- 类型:升压(升压) 输出类型:固定 输出数:1 输出电压:3V 输入电压:0.75 V ~ 2 V PWM 型:- 频率 - 开关:- 电流 - 输出:100mA 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:SOT-23-5 细型,TSOT-23-5 包装:剪切带 (CT) 供应商设备封装:TSOT-23-5 其它名称:AS1323-BTTT-30CT
AS1324BTTTAD 制造商:ams 功能描述:IC STEP-DOWN DC/DC CONVERTER 5-TSOT-23
AS1324-BTTT-AD 功能描述:IC REG BUCK SYNC ADJ TSOT23-5 RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 设计资源:Design Support Tool 标准包装:1 系列:- 类型:升压(升压) 输出类型:固定 输出数:1 输出电压:3V 输入电压:0.75 V ~ 2 V PWM 型:- 频率 - 开关:- 电流 - 输出:100mA 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:SOT-23-5 细型,TSOT-23-5 包装:剪切带 (CT) 供应商设备封装:TSOT-23-5 其它名称:AS1323-BTTT-30CT