参数资料
型号: MAX6721UTSDD4-T
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: 电源管理
英文描述: Dual/Triple Ultra-Low-Voltage SOT23 &#181.P Supervisory Circuits
中文描述: 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6
封装: MO-178AB, SOT-23, 6 PIN
文件页数: 13/19页
文件大小: 715K
代理商: MAX6721UTSDD4-T
MAX6715–MAX6729
Dual/Triple Ultra-Low-Voltage SOT23 P
Supervisory Circuits
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VCC1 = VCC2 = 0.8V to 5.5V, GND = 0, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
VCC to Reset Output Delay
tRD
VCC1 = (VTH1+ 100mV) to (VTH1 - 100mV) or
VCC2 = (VTH2 + 75mV) to (VTH2 - 75mV)
20
s
D1
1.1
1.65
2.2
D2
8.8
13.2
17.6
D3
140
210
280
D5
280
420
560
D6
560
840
1120
Reset Timeout Period
tRP
D4
1120
1680
2240
ms
ADJUSTABLE RESET COMPARATOR INPUT (MAX6719/MAX6720/MAX6723–MAX6727)
RSTIN Input Threshold
VRSTIN
611
626.5
642
mV
RSTIN Input Current
IRSTIN
-25
+25
nA
RSTIN Hysteresis
3mV
RSTIN to Reset Output Delay
tRSTIND
VRSTIN to (VRSTIN - 30mV)
22
s
POWER-FAIL INPUT (MAX6728/MAX6729)
PFI Input Threshold
VPFI
611
626.5
642
mV
PFI Input Current
IPFI
-25
+25
nA
PFI Hysteresis
VPFH
3mV
PFI to PFO Delay
tDPF
(VPFI + 30mV) to (VPFI - 30mV)
2
s
MANUAL RESET INPUT (MAX6715–MAX6722/MAX6725–MAX6729)
VIL
0.3
VCC1
MR Input Voltage
VIH
0.7
VCC1
V
MR Minimum Pulse Width
1s
MR Glitch Rejection
100
ns
MR to Reset Delay
tMR
200
ns
MR Pullup Resistance
25
50
80
k
WATCHDOG INPUT (MAX6721–MAX6729)
First watchdog period after reset timeout
period
35
54
72
Watchdog Timeout Period
tWD
Normal mode
1.12
1.68
2.24
s
WDI Pulse Width
tWDI
(Note 2)
50
ns
VIL
0.3
VCC1
WDI Input Voltage
VIH
0.7
VCC1
V
WDI Input Current
IWDI
WDI = 0 or VCC1-1
+1
A
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