Datasheet > ADP3422JRUZ-REEL7

ADP3422JRUZ-REEL7

更新时间： 2024-02-08 12:24:46

品牌	Logo	应用领域
安森美 - ONSEMI		光电二极管
页数	文件大小	规格书
16页	166K
描述
IC 5-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO28, TSSOP-28, Power Management Circuit

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ADP3422JRUZ-REEL7 技术参数

是否无铅：	不含铅	生命周期：	Obsolete
零件包装代码：	SSOP	包装说明：	TSSOP,
针数：	28	Reach Compliance Code：	unknown
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.15	模拟集成电路 - 其他类型：	POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：	R-PDSO-G28	JESD-609代码：	e3
长度：	9.7 mm	湿度敏感等级：	3
信道数量：	5	功能数量：	1
端子数量：	28	最高工作温度：	85 °C
最低工作温度：		封装主体材料：	PLASTIC/EPOXY
封装代码：	TSSOP	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	峰值回流温度（摄氏度）：	260
认证状态：	Not Qualified	座面最大高度：	1.1 mm
标称供电电压 (Vsup)：	3.3 V	表面贴装：	YES
温度等级：	OTHER	端子面层：	TIN
端子形式：	GULL WING	端子节距：	0.65 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	4.4 mm	Base Number Matches：	1

ADP3422

Pin No.

Mnemonic

Function

RAMP

Regulation Ramp Feedback Input. This is a high-impedance analog input pin which is used for providing

negative feedback of the hysteretically-controlled output. Several switched current sources also

appear at this input, most notably the cycle-by-cycle hysteresis-setting switched current programmed by

the HYSSET pin. The external resistive termination at this pin sets the magnitude of the hysteresis

applied to the regulation loop.

REG

Regulation Voltage Summing Input. This is a high-impedance analog input pin into which the voltage

reference of the feedback loop allows the summing of both the DACOUT voltage and the core voltage for

programming the output resistance of the core voltage regulator. This is also the pin at which an optimized

transient response can be tailored using Analog Devices’ patented ADOPT™ design technique.

CS+

CS–

Current Limit Positive Sense. This is a high-impedance analog input pin that is normally connected to the

positive node of the current sense resistor.

Current Limit Negative Sense. This is a high-impedance analog input pin that is normally connected via

a current-limit programming resistor to the negative node of the current sense resistor. A hysteretically-

controlled current—three times the current programmed at the HYSSET pin—flows out of this pin

and develops a current-limit-setting voltage across that resistor. This voltage must be exceeded by the

inductor current generated current sense voltage in order to trigger the current limit function. When it is

triggered, the current flowing out of this pin is reduced—to two-thirds of its previous value—producing

hysteresis in the current limit operation.

ADOPT is a trademark of Analog Devices, Inc.

–8–

REV. 0

1...5 6 789 10 11...16

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