參數(shù)資料
型號: M37517F8HP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 4 MHz, MICROCONTROLLER, PQFP48
封裝: 7 X 7 MM, 0.50 MM PITCH, PLASTIC, LQFP-48
文件頁數(shù): 92/98頁
文件大小: 886K
代理商: M37517F8HP
Rev.1.01
Aug 02, 2004
page 92 of 96
7517 Group
Fig. 85 VISENS1-Count value characteristics of current integrator
Table 30 Over current detector electrical characteristics
(VCC = AVCC = 3.3V±2%, VSS =AVSS = 0V, Ta = –20 to 85 °C, f(XIN) = 4MHz, f(XCIN) = 32MHz)
Limits
Parameter
Min.
Typ.
Max.
Symbol
Unit
Conditions
Short current detect voltage error
Over current detect voltage error
Wake up detect voltage
Short current detect time error
Over current detect time error
Wake up detect time
8
58.6
10
T.B.D.
±15
12
30.5
62.5
mV
s
ms
nD b =
TINF VISENS1
AD
n’D b = TINF VISENS1
AD +
tRD VISENS1
VISENS1
VREFD
ISENS1
input voltage
nC =
TINF (VISENS1-c)
AC
n’C =
TINF (VISENS1-c)
AC +
tRC (VISENS1-c)
VREFC
b’
nREFD
c
b
=
TINF b’
TINF-
tRD b’
c
=
vREFD b
nREFD-b
Charge
Discharge
Count value
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