參數(shù)資料
型號： MAX6768TTWD4+T
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, DSO8
封裝： 3 X 3 MM, 0.80 MM HIEGHT, LEAD FREE, MO-229WEEC, TDFN-8
文件頁數(shù)： 18/23頁
文件大?。?/td> 300K
代理商： MAX6768TTWD4+T
MAX6765–MAX6774
Automotive Micropower Linear Regulators
with Supervisor
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(VIN = 14V, CIN = 0.1F, COUT = 10F, TA = TJ = -40°C to +125°C, unless otherwise noted. Typical values are at TA = TJ = +25°C.)
(Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
L/T/Z/W, SET = resistive divider, RESET
falling
VOUT x
0.9
VOUT x
0.925
VOUT x
0.950
RESET Threshold (Adjustable
Output Voltage)
M/S/Y/V, SET = resistive divider, RESET
falling
VOUT x
0.85
VOUT x
0.875
VOUT x
0.900
V
RESETIN Input Current
RESETIN = GND or 12V
-100
+100
nA
VTH = 87.5% of VSET (M/S/Y/V),
RESET falling
1.057
1.085
1.112
RESETIN Threshold
VTH = 92.5% of VSET (L/T/Z/W),
RESET falling
1.118
1.147
1.176
V
OUT to RESET Delay
VOUT falling
0.3
s
RESETIN To RESET Delay
RESETIN falling
35
s
D0
75
s
D1
2.187
3.125
4.063
D2
8.75
12.5
16.25
D3
35
50
65
RESET Timeout Period (TIMEOUT
Connected to OUT)
VOUT rising
D4
140
200
260
ms
TIMEOUT Ramp Current
800
1000
1200
nA
TIMEOUT Ramp Threshold
1.160
1.22
1.259
V
VOUT ≥ 1.8V, ISINK = 50A,
RESET asserted
0.3
RESET Output-Voltage Low
(Open Drain or Push-Pull)
VOL
VOUT ≥ 1.8V, ISINK = 3.2mA,
RESET asserted
0.4
V
RESET Output-Voltage High
(Push-Pull)
VOH
VOUT ≥ 1.8V, ISOURCE = 250A,
RESET not asserted
0.8 x
VOUT
V
RESET Open-Drain Leakage
Current
RESET not asserted, RESET = 12V
100
nA
Watchdog Minimum Input Pulse
tWDI
1.8V ≤ VOUT ≤ 11V
1
s
Watchdog Input Low Voltage
VIL
1.8V ≤ VOUT ≤ 11V
0.4
V
Watchdog Input High Voltage
VIH
1.8V ≤ VOUT ≤ 11V
VOUT
- 0.4V
V
Watchdog Input Low Voltage
VIL
1.8V ≤ VOUT ≤ 11V
0.4
V
Watchdog Input Current
IWDI
WDI = 0V or WDI = 12V
-1
+1
A
Watchdog Timeout Period
tWD
1.12
1.6
2.08
s
Note 1: Production tested at TA = +25°C. Overtemperature limits are guaranteed by design.
Note 2: Device tested at internally set voltage.
Note 3: Dropout voltage for L/M versions is defined as (VIN - VOUT) when VOUT equals 98% of the nominal value of VOUT when
VIN = 11V. For T/S versions, dropout voltage is defined as (VIN - VOUT) when VOUT equals 98% of the nominal value of VOUT
when VIN = 9.3V.
Note 4: Observe the absolute maximum power dissipation limits.
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