参数资料
型号: ADP1611ARMZ-R7
厂商: Analog Devices Inc
文件页数: 5/20页
文件大小: 0K
描述: IC REG BOOST ADJ 1.2A 8MSOP
标准包装: 1
类型: 升压(升压)
输出类型: 可调式
输出数: 1
输出电压: 可调至 20V
输入电压: 2.5 V ~ 5.5 V
PWM 型: 电流模式
频率 - 开关: 700kHz,1.23MHz
电流 - 输出: 1.2A
同步整流器:
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: 标准包装
供应商设备封装: 8-MSOP
其它名称: ADP1611ARMZ-R7DKR

ADP1611
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
COMP 1
8
SS
FB 2
SD 3
GND 4
ADP1611
TOP VIEW
(Not to Scale)
7
6
5
RT
IN
SW
Figure 3. Pin Configuration
Table 3. Pin Function Descriptions
Pin No.
1
2
3
4
5
6
7
8
Mnemonic
COMP
FB
SD
GND
SW
IN
RT
SS
Description
Compensation Input. Connect a series resistor-capacitor network from COMP to GND to compensate the
regulator.
Output Voltage Feedback Input. Connect a resistive voltage divider from the output voltage to FB to set the
regulator output voltage.
Shutdown Input. Drive SD low to shut down the regulator; drive SD high to turn it on.
Ground.
Switching Output. Connect the power inductor from the input voltage to SW and connect the external rectifier
from SW to the output voltage to complete the step-up converter.
Main Power Supply Input. IN powers the ADP1611 internal circuitry. Connect IN to the input source voltage.
Bypass IN to GND with a 10 μF or greater capacitor as close to the ADP1611 as possible.
Frequency Setting Input. RT controls the switching frequency. Connect RT to GND to program the oscillator to
700 kHz, or connect RT to IN to program it to 1.2 MHz.
Soft-Start Timing Capacitor Input. A capacitor from SS to GND brings up the output slowly at power-up.
Rev. 0 | Page 5 of 20
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