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| 型号： | MAX6819UT+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/8页 |
| 文件大小： | 0K |
| 描述： | IC SEQUENCER POWER SOT23-6 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 类型： | 序列发生器 |
| 监视电压数目： | 2 |
| 复位超时： | 最小为 140 ms |
| 电压 - 阀值： | 可调节/可选择 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 |
| 供应商设备封装： | SOT-6 |
| 包装： | 标准包装 |
| 产品目录页面： | 1423 (CN2011-ZH PDF) |
| 其它名称： | MAX6819UT+TDKR |
SOT23 Power-Supply Sequencers
ABSOLUTE MAXIMUM RATINGS
Referenced to GND
V CC1 , V CC2 , EN .....................................................-0.3V to +6.0V
SETV, SETD..................-0.3V to the higher of (V CC1 + 0.3V) and
(V CC2 + 0.3V)
GATE ...................................................................-0.3V to +12.0V
Input Current/Output Current (all pins) ...............................20mA
Continuous Power Dissipation (T A = +70°C)
6-Pin SOT23 (derate 8.7mW/°C above +70°C)............696mW
Operating Temperature Range .........................-40°C to +125°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering 10s) ..................................+300°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 CC1 or V CC2 > +2.125V to +5.5V, T A = -40°C to +125°C, unless otherwise specified. Typical values are at T A = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Operating Voltage Range
V CC1 , V CC2 Supply Current
V CC1 , V CC2 Disable Mode Current
V CC1 , V CC2 Slew Rate (Note 3)
V CC1 ,
V CC2
I CC
(Note 2)
V CC1 = V CC2 = +3.3V
V CC1 = V CC2 = +3.3V, EN = GND
MAX6819
MAX6820 (Note 4)
0.9
60
20
6
1.2 / t DELAY
5.5
120
V
μA
μA
V/s
Undervoltage Lockout (UVLO)
V UVLO
1.875
2.0
2.125
V
SETV Threshold
SETV Input Current
V TH
V SETV rising, enables GATE
(Note 3)
0.602
0.618
10
0.634
100
V
nA
SETV Threshold Hysteresis
V SETV falling, disables GATE
-1
%
SETV to GATE Delay
SETD Ramp Current (MAX6820)
SETD Voltage (MAX6820)
t DELAY
I SETD
V SETD
V SETV > V TH , V EN ≥ 2V (MAX6819)
V CC1 or V CC2 > +2.125V
V CC1 or V CC2 > +2.125V
140
400
1.210
200
500
1.242
280
600
1.273
ms
nA
V
SETD Threshold Hysteresis
(MAX6820)
V SETD falling
-62
mV
GATE Turn-On Time
GATE Turn-Off Time
GATE Voltage
EN Input Voltage
t ON
t OFF
V GATE
V IL
V IH
C GATE = 1500pF, V CC2 = +3.3V, V GATE = +7.8V
C GATE = 1500pF, V CC2 = +3.3V, V GATE = +0.5V
With respect to V CC2 (Note 2)
R GATE > 50M ? to V CC2
With respect to V CC2 (Note 2)
R GATE > 5M ? to V CC2
V CC1 or V CC2 > +2.125V to + 5.5V
0.5
4.5
4.0
2.0
1.5
30
5.5
10
6.0
6.0
0.4
ms
μs
V
V
Note 1:
Note 2:
Note 3:
Note 4:
100% production tested at T A = +25°C. Specifications over temperature limit are guaranteed by design.
Either V CC1 or V CC2 must be > 2.125V. The other supply can go to 0.
Guaranteed by design, not production tested.
t DELAY (s) = 2.48 ? 10 6 ? C SET
2
_______________________________________________________________________________________
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