ISL88014

5 Ld Voltage Supervisor with Adjustable Power-On Reset and Adjustable Trip Point Voltage

OVERVIEW

The ISL88011, ISL88012, ISL88013, ISL88014, ISL88015 family of devices offer both fixed and/or adjustable voltage-monitoring that combine popular functions such as Power-On reset control, watchdog timer, supply voltage supervision, and manual reset assertion in a small 5 Ld SOT-23 package.

Unique features on the ISL88013 and ISL88015 include a watchdog timer with a 51s start-up timeout and a 1.6s normal timeout duration. On the ISL88011 and ISL88014, users can increase the nominal 200ms Power-On reset timeout delay by adding an external capacitor to the CPOR pin. Both fixed and adjustable voltage monitors are provided by the ISL88012. Complementary active-low and active-high reset outputs are available on the ISL88011, ISL88012 and ISL88013 devices. All devices provide manual reset capability (see “Product Features Table” on page 5).

Seven preprogrammed reset threshold voltages accurate to ±1.5% over temperature are offered (see “Ordering Information” on page 3). The ISL88012, ISL88014 and ISL88015 have a user-adjustable voltage input available for custom monitoring of any voltage down to 0.6V. All parts are specifically designed for low power consumption and high threshold accuracy.

KEY FEATURES

  • Single/dual voltage monitoring supervisors
  • Fixed-voltage options allow precise monitoring of +2.5V, +3.0V, +3.3V, and +5.0V power supplies
  • Dual supervisor has one fixed voltage input and another that is user-adjustable down to 0.6V.
  • Both RST and RST outputs available
  • Adjustable POR timeout delay options
  • Watchdog timer with 1.6s normal and 51s start-up timeout durations
  • Manual reset input on all devices
  • Reset signal valid down to VDD = 1V
  • Accurate ±1.5% voltage threshold
  • Immune to power-supply transients
  • Ultra low 5.5µA supply current
  • Small 5 Ld SOT-23 Pb-Free package
  • Pb-Free (RoHS Compliant)

PARAMETRICS

Parameters
ISL88014
Basic Information
Production Status
量産中
電圧モニタ数
1
モニタ電圧 (V) (min)
2.5
モニタ電圧 (V) (max)
5
VMONITOR
Adj to 0.6V Ref
出力タイプをリセット
Active Low
手動リセット
Yes
TwinPin™ MR#/RST#
Yes
WDT
No
調整可能PORタイムアウト
Yes
調整可能Vtrip
Yes
固定Vtrip
No
バス/出力インタフェース
N/A
入力電圧 (V) (min)
2
入力電圧 (V) (max)
5.5
認定レベル
Standard
温度範囲
-40 to +85

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