Datasheet > RT6212A

RT6212A

更新时间： 2024-01-07 08:49:51

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
19页	1129K
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技术参数
数据手册

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RT6212A 技术参数

Status：	Active	Vin (min) (V)：	4.5
Vin (max) (V)：	18	Number of Outputs：	1
Vout (min) (V)：	0.765;0.8	Vout (max) (V)：
Preset Vout (V)：		Output Adj. Method：	Resistor
Iout (max) (A)：	2	Current Limit (typ) (A)：	3.3
Freq (typ) (kHz)：	500	Freq (min) (kHz)：
Freq (max) (kHz)：		Ext Sync：	No
Ron_HS (typ) (mOhm)：	163	Ron_LS (typ) (mOhm)：	86
Iq (typ) (mA)：	0.5	Features：	ACOT Control;Cycle-by-Cycle Current Limit;Enable Input;Fast Transient Response;Internal Compensation;OCP;OVP;PSM;Stable with Ceramic Capacitor;UVP
Package Type：	TSOT-26(FC)

RT6212A 数据手册

RT6212A/B

Parameter

Symbol

V_{EN_F}

Test Conditions

Min

Typ

Max

Unit

V_ENfalling, RT6212A/BHRGJ6F

1.11

1.21

1.31

Feedback Voltage

4.5V ≤ V_IN≤ 18V,

RT6212A/BHGJ6F

0.788

0.8

0.812

Feedback Reference Voltage

V_REF

4.5V ≤ V_IN≤ 18V,

RT6212A/BHRGJ6F

0.753 0.765 0.777

Internal MOSFET

High-Side On-Resistance

Low-Side On-Resistance

Current Limit

R_{DS(ON)_H}V_BOOT− V_LX= 4.8V

163

mΩ

R_{DS(ON)_L}

High-Side Switch Current Limit I_{LIM_H}

5.8

3.3

Low-Side Switch Valley Current

I_{LIM_L}

2.6

Limit

Switching Frequency

On-Time Timer Control

Minimum On-Time

f_SW

400

500

640

kHz

t_{ON_MIN}

Minimum Off-Time

t_{OFF_MIN}

185

240

315

Output Under-Voltage and Over-Voltage Protections

OVP Trip Threshold

OVP detect

125

OVP Propagation Delay

µs

UVP detect

Hysteresis

UVP Trip Threshold

UVP Propagation Delay

Thermal Shutdown

µs

Thermal Shutdown Threshold

T_SD

150

°C

Thermal Shutdown Hysteresis T_SD

Note 1. Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These

are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in

the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions may affect

device reliability.

Note 2. _JAis measured under natural convection (still air) at T = 25C with the component mounted on a high

effective-thermal-conductivity four-layer test board on a JEDEC 51-7 thermal measurement standard. The first layer is

filled with copper. _JAis measured at the lead of the package.

Note 3. Devices are ESD sensitive. Handling precaution recommended.

Note 4. The device is not guaranteed to function outside its operating conditions.

is a registered trademark of Richtek Technology Corporation.

DS6212A/B-08 August 2018

www.richtek.com

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