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| 型号： | MAX6894ETI+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/19页 |
| 文件大小： | 0K |
| 描述： | IC SEQUENCE/SUPERVISOR 28TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 序列发生器 |
| 监视电压数目： | 4 |
| 输出： | 开路漏极或开路集电极 |
| 复位： | 低有效 |
| 复位超时： | 可调节/可选择 |
| 电压 - 阀值： | 可调节/可选择 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-WFQFN 裸露焊盘 |
| 供应商设备封装： | 28-TQFN-EP（5x5） |
| 包装： | 带卷 (TR) |
Pin-Selectable, Octal/Hex/Quad, Power-Supply
Sequencers/Supervisors
ABSOLUTE MAXIMUM RATINGS
(All voltages referenced to GND.)
PG_, RESET , WDO .................................................-0.3V to +14V
IN1–IN8, TH0–TH4, ENABLE , WDI, MR , MARGIN ,
SRT, SWT, V CC .....................................................-0.3V to +6V
DBP ..........................................................................-0.3V to +3V
Input/Output Current (all pins)..........................................±20mA
Continuous Power Dissipation (T A = +70°C)
28-Pin Thin QFN (derate 21.3mW/°C
above +70°C).............................................................1702mW
32-Pin Thin QFN (derate 21.3mW/°C
above +70°C)............................................................1702mW
Maximum Junction Temperature .....................................+150°C
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Soldering Temperature (reflow)
Lead(Pb)-Free..............................................................+260°C
Containing Lead (Pb)...................................................+240°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V IN1 = V IN6 –V IN8 = V GND , V IN2 –V IN5 = 2.7V to 5.5V, WDI = ENABLE = GND, TH0–TH4 = MARGIN = MR = DBP, T A = -40°C to
+85°C, unless otherwise noted. Typical values are at T A = +25°C.) (Notes 1, 2)
PARAMETER
Operating Voltage Range
(Note 3)
SYMBOL
CONDITIONS
Voltage on either one of IN2–IN5 or V CC that
guarantees the part is fully operational
MIN
2.7
TYP
MAX
5.5
UNITS
V
For 1V < (V IN2– V IN5 or V CC ) < V UVLO ,
Undervoltage Lockout
V UVLO
PG_ are pulled down to GND with a 10μA
2.5
V
current
Digital Bypass Voltage
Supply Current
V DBP
I CC
No load
V IN2 = 5.5V, V IN1 , V IN3– V IN8 = V GND , no
load
2.48
2.55
0.9
2.67
1.1
V
mA
Threshold Accuracy (Table 2)
V TH
IN1–IN8,
IN_ falling
T A = +25°C to +85°C
T A = -40°C to +85°C
-1
-2
+1
+2
% V TH
Threshold Hysteresis
Threshold Tempco
V TH-HYS
Δ V TH /°C
0.3
10
% V TH
ppm/°C
IN1, IN6–IN8
Input Leakage Current
I IN
IN2–IN5 set as adjustable thresholds
-50
+50
nA
For IN_ voltages < the highest IN_ supply or
IN2–IN5 Input Impedance
R IN2–IN5
< V CC and thresholds are not set as
290
400
555
k Ω
adjustable
Power-Up Delay
IN_ to PG_ Delay
t D-PO
t D-R
V CC ≥ V UVLO
IN_ falling/rising, 100mV overdrive
25
3
ms
μs
PG_ Timeout Period
t PG
5.625
6.25
6.875
ms
RESET Default Timeout Period
RESET Adjustable Timeout Period
SRT Adjustable Timeout Current
t RP
t RP-ADJ
I SRT
V SRT = V CC
C SRT = 47nF
V SRT = V GND
180
135
180
200
207
230
220
280
280
ms
ms
nA
2
_______________________________________________________________________________________
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| MAX6895AALT+T | 功能描述:监控电路 Adjustable Sequencer/Supervisor RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX6895AALT-T | 功能描述:监控电路 RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
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