參數(shù)資料
型號: PT7M7437TAE
廠商: PERICOM SEMICONDUCTOR CORP
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6
封裝: LEAD FREE, MO-178AB, SOT-23, 6 PIN
文件頁數(shù): 1/9頁
文件大小: 448K
代理商: PT7M7437TAE
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PT0212(11/07)
Ver: 4
1
Data Sheet
PT7M7436/37/38
P Supervisory Circuit
Features
User-Adjustable
Low/High
Thresholds
with
585mV/615mV Internal Reference
Low Current (1.5A typ)
Dual Low-Battery Outputs
Push-Pull active low, Open-Drain active low and
Open-Drain active high output options
90ms Minimum LBOA/LBOL Timeout Period
Immune to Short Battery Voltage Transients
-40°C to + 85°C Operating Temperature Range
Applications
Monitoring lithiumion (Li+) cells or multicell
alkaline/ NiCd/ NiMH power supplies.
Description
The PT7M7436/37/38 are dual-level battery monitors
with internal hysteresis. These devices are offered with
dual low-battery output indicators which can be used to
indicate three battery conditions: good (operate system in
normal mode), weak (operate system in low-power
mode), or empty (disable the system).
Ordering Information
Part Number
Package
PT7M7436TAE
lead-free SOT23-6
PT7M7437TAE
Lead-free SOT23-6
PT7M7438TAE
lead-free SOT23-6
Table 1. Function comparison of PT7M7436/37/38
Output
Threshold
Open-Drain
Push-Pull
Item
Part No.
Active high Active low Active low
Single
Dual
Factory
fixed
User
adjustable
Package
1
PT7M7436
-
-
-
2
PT7M7437
-
-
-
3
PT7M7438
-
-
SOT23-6
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PT7M7438TAE 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6
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