BU45K254G
延遲時間固定型電壓檢測器

ROHM的BU45xxxxx、BU46xxxxx系列,是採用了CMOS製程的高精度、低耗電流的RESET IC系列。通過內建計數器定時器延遲電路,無需外接延遲時間設定用電容。為保證客戶可根據應用進行選擇,備有Nch漏極開路輸出BU45xxxxx和CMOS輸出BU46xxxxx兩個系列的產品。檢測電壓可在2.3V~4.8V之間按0.1V階躍選擇,固定延遲時間可按200ms、400ms進行選擇。

Data Sheet 購買 *
* 本產品是標準級的產品。
本產品不建議使用的車載設備。

Product Detail

 
料號 | BU45K254G-TL
狀態 | 推薦品
封裝 | SSOP3 (GND 1pin)
單位數量 | 3000
最小包裝數量 | 3000
包裝形式 | Taping
RoHS | Yes

規格:

Under Voltage Detection Voltage [V] (typ.)

2.5

VDET Precision [%]

±1

Reset Active Voltage Range [V]

0.6 to 6

Output Types

Open drain

Reset Delay Timer

Fixed Delay (400msec)

Reset Active State

Low

Manual Reset

No

Watchdog Timer

No

Auto Motive

No

Circuit Current (ON) [µA]

2.3

Circuit Current (OFF) [µA]

2.8

Hysteresis Voltage [V]

VDET x 0.05

L Output Current (LowVol) [mA]

2

L Output Current (HighVol) [mA]

8.5

Comment

1pin GND (PIN rotated)

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

105

Package Size

2.92 x 2.80 (t=1.25)

功能:

・ Counter Timer Built-in
・ No delay time setting capacitor required
・ Low current consumption
・ Two output types (Nch open drain and CMOS output)
・ Package SSOP3 is similar to SOT-23-3 (JEDEC)

Design Resources

 

Documents

White Paper

  • ISO 26262: Functional Safety Standard for Modern Road Vehicles

Technical Articles

Schematic Design & Verification

  • Importance of Probe Calibration When Measuring Power: Deskew
  • Impedance Characteristics of Bypass Capacitor

Thermal Design

  • What Is Thermal Design
  • Method for Calculating Junction Temperature from Transient Thermal Resistance Data
  • Thermal Resistance

Tools

Models

  • BU45K254G SPICE Model

2D/3D/CAD

  • SSOP3 Footprint / Symbol

Packaging & Quality

Package Information

  • Package Information
  • Anti-Whisker formation

Manufacturing Data

  • Factory Information

Environmental Data

  • UL94 Flame Classifications of Mold Compound
  • Compliance with the ELV directive
  • REACH SVHC Non-use Declaration
  • RoHS Comission Delegated Directive

Export Information

  • The Export Control Order
  • Export Administration Regulations(EAR)