Datasheet > BD800M7WFP2-C

BD800M7WFP2-C

更新时间： 2023-09-03 20:31:45

品牌	Logo	应用领域
罗姆 - ROHM		电池过电流保护电容器陶瓷电容器稳压器
页数	文件大小	规格书
39页	1478K
描述
BD800M7WFP2-C是消耗电流很低的线性稳压器，非常适用于直接连接电池的车载系统。本IC的耐压为45V，输出电流为700mA，消耗电流为17μA（Typ），输出电压精度为±2.5%（不包括反馈电阻精度）。输出电压可通过在ADJ引脚连接一个电阻，在1.2V～16V的范围内进行设置。具有输出关闭功能，当给EN引脚施加HIGH电压时，IC输出ON；当施加LOW电压时，输出OFF。本IC还内置过电流保护电路，可防止输出短路等导致的IC损坏；内置过热保护电路，可防止IC因过负载状态等导致的热损坏。输出的相位补偿电容可使用低ESR的陶瓷电容器。

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BD800M7WFP2-C 数据手册

Datasheet

For Automotive 700 mA Adjustable Output

LDO Regulator

BD800M7WFP2-C

General Description

Key Specifications

The BD800M7WFP2-C is a linear regulator designed as a

low current consumption product for power supplies in

various automotive applications.

◼ Wide Temperature Range (Tj):

◼ Wide Operating Input Range:

◼ Low Current Consumption:

◼ Output Current Capability:

◼ High Output Voltage Accuracy:

◼ Output Voltage:

-40 °C to +150 °C

3 V to 42 V

17 μA(Typ)

700 mA

This product is designed for up to 45 V as an absolute

maximum voltage and to operate until 700 mA for the

output current with low current consumption 17 μA (Typ).

This can regulate the output with a very high accuracy^(Note

¹⁾, ±2.6 %. The output voltage can be adjusted between 1.2

V and 16 V by an external resistive divider connected to

the adjustment pin. This regulator is therefore an ideal for

any applications requiring a direct connection to the battery

and a low current consumption.

±2.6 %

1.2 V to 16 V

Package

TO263-5

W(Typ) x D(Typ) x H(Max)

10.16 mm × 15.10 mm × 4.70 mm

A logical “HIGH” at the EN pin turns on the device, and in

the other side, the device is controlled to disable by a

logical “LOW” input to the EN pin.

The device features the integrated Over Current Protection

to protect the device from a damage caused by a short-

circuiting or an overload. This product also integrates

Thermal Shutdown Protection to avoid the damage by

overheating.

Furthermore, low ESR ceramic capacitors are sufficiently

applicable for the phase compensation.

(Note 1) The tolerance of feedback resistor is not included.

Features

◼ AEC-Q100 Qualified^{(Note 2)}

◼ Output Shutdown Function (EN Function)

◼ Over Current Protection (OCP)

◼ Thermal Shutdown Protection (TSD)

(Note 2) Grade 1

Applications

◼ Power Train

◼ Body

◼ Audio System

◼ Navigation System

FIN

Typical Application Circuit

BD800M7WFP2-C

◼ Components Externally Connected

Capacitor: 0.1 µF ≤ C_IN(Min), 1.47 µF ≤ C_OUT(Min) ^{(Note 3)}

Resistor: 5 kΩ ≤ R₁≤ 200 kΩ ^{(Note 4) (Note 5)}

V_ADJ(Typ): 0.65 V

2:EN

4:ADJ

1:VIN 3:GND 5:VOUT

푉_푂푈푇

푅₂= 푅₁(

− ꢀ)

Input

Voltage

Output

푉

퐴퐷퐽

R₂

Voltage

(Note 6)

C_ADJ

C_OUT

Enable

Voltage

R₁

C_IN

(Note 3) Electrolytic, tantalum and ceramic capacitors can be used.

(Note 4) The tolerance of feedback resistor is not included in the accuracy of output voltage.

(Note 5) The value of a feedback resistor R₁must be within this range.

R₂value is defined by following the formula using the limitation of R₁.

(Note 6) If it needs better transient characteristic, insert a capacitor between

the VOUT and ADJ pins. Refer to Typical Application and Layout Example for the details such as equations.

〇Product structure : Silicon integrated circuit 〇This product has no designed protection against radioactive rays.

www.rohm.com

TSZ22111 • 14 • 001

TSZ02201-0GQG3A600020-1-2

1/36

22.Mar.2021 Rev.002

12 3 4 5 6 7...39

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