參數(shù)資料
型號: MAX6890ETI
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 電源管理
英文描述: EEPROM-Programmable, Octal/Hex/Quad, Power-Supply Sequencers/Supervisors
中文描述: 6-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQCC28
封裝: 5 X 5 MM, TQFN-28
文件頁數(shù): 34/40頁
文件大?。?/td> 255K
代理商: MAX6890ETI
MAX6889/MAX6890/MAX6891
EEPROM-Programmable, Octal/Hex/Quad,
Power-Supply Sequencers/Supervisors
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(VIN1 = 6.5V to 13.2V, VIN2–VIN7 = 2.7V to 5.5V, VIN8 = 10V, GPI_ = GND, MARGIN = MR = DBP, TA = -40°C to +85°C, unless other-
wise noted. Typical values are at TA = +25°C.) (Notes 1, 2, 3)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Reset-Threshold Temperature
Coefficient
VTH/°C
10
ppm/°C
Threshold-Voltage Differential
Nonlinearity
VTH DNL
-1
+1
LSB
IN1 Input Leakage Current
ILIN1
For VIN1 < the highest of VIN2–VIN5
100
140
A
IN2–IN7 Input Impedance
RIN2 to RIN7 VIN1 > 6.5V
290
400
555
k
IN8 Input Impedance
RIN8
730
1000
1400
k
IN2–IN8 Input Leakage Current
ILIN2-LIN8
IN2–IN8 in high-Z mode, VIN_ = 1.017V
-50
+50
nA
Power-Up Delay
tPU
VCC > VUVLO
3ms
IN_ to PO_ Delay
tDPO
VIN_ falling or rising, 100mV overdrive
20
s
000
8
25
80
s
001
1.406
1.5625
1.719
010
5.625
6.25
6.875
011
22.5
25
27.5
100
45
50
55
101
180
200
220
110
360
400
440
PO_ Timeout Period
tRP
Register contents
(Table 19)
111
1440
1600
1760
ms
PO_ Output Low
VOL
ISINK = 4mA, output asserted
0.4
V
PO_ Output Initial Pulldown
Current
IPD
VCC < VUVLO, VPO = 0.8V
10
40
A
PO_ Output Open-Drain Leakage
Current
ILKG
Output high impedance
-1
+1
A
PO_ Output Pullup Resistance
RPU
VPO_ = 2V
6.6
10
15.0
k
VIL
0.6
MR, MARGIN, GPI_ Input Voltage
VIH
1.4
V
MR Input Pulse Width
tMR
1s
MR Glitch Rejection
100
ns
MR to PO_ Delay
tDMR
2s
MR to DBP Pullup Current
IMR
VMR = 1.4V
5
10
15
A
MARGIN to DBP Pullup Current
IMARGIN
VMARGIN = 1.4V
5
10
15
A
GPI_ Input Hysteresis
100
mV
GPI_ to PO_ Delay
tDGPI_
200
ns
GPI_ Pulldown Current
IGPI_
VGPI_ = 0.6V
5
10
15
A
Watchdog Input Pulse Width
tWDI
GPI_ configured as a watchdog input
50
ns
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