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RT4805A

更新时间： 2024-01-23 14:30:12

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RT4805A 技术参数

Status：	Active	Vin (min) (V)：	1.8
Vin (max) (V)：	5	Vout (min) (V)：	2.85
Vout (max) (V)：	4.4	Output Adj. Method：	Digital
Iq (typ) (mA)：	0.055	SW Current Limit (typ) (A)：	4
Freq (typ) (kHz)：	2500	Freq (min) (kHz)：	2000
Freq (max) (kHz)：	3000	Ron (typ) (Ohm)：	0.04;0.06
Features：	Adjustable Current Limit;Current Mode Control;Cycle-by-Cycle Current Limit;Enable Input;Internal Compensation;OCP;OVP;Power Good;UVP	Package Type：	WL-CSP1.67x1.67-16(BSC)

RT4805A

Table 1

EN input

nBYP input

Device State

The device is shut down mode, and features a shutdown current down to ca.

1A typ.

0/1

The device is active in forced pass-through mode.

The device supply current is approximately 15A typ. From the battery. The

device is short circuit protected by a current limit of ca. 4000mA.

The device is active in auto mode (dc/dc boost, pass-through mode)

The device supply current is approximately 55A typ. from the battery

is a registered trademark of Richtek Technology Corporation.

www.richtek.com

DS4805A-02 April 2017

1...3 4 567 8 9...22

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