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MAX6389XS17D4+T

Power Supply Support Circuit, Fixed, 1 Channel, BICMOS, PDSO4, LEAD FREE, EIAJ, SC-70, 4 PIN

器件类别：电源/电源管理    电源电路   

厂商名称：Maxim(美信半导体)

厂商官网：https://www.maximintegrated.com/en.html

器件标准：

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参数 预览
器件参数
参数名称
属性值
是否无铅
不含铅
是否Rohs认证
符合
厂商名称
Maxim(美信半导体)
零件包装代码
SOIC
包装说明
TSOP, SOT-343R
针数
4
Reach Compliance Code
compliant
ECCN代码
EAR99
其他特性
RESET THRESHOLD VOLTAGE IS 1.67V
可调阈值
NO
模拟集成电路 - 其他类型
POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码
R-PDSO-G4
JESD-609代码
e3
长度
2 mm
湿度敏感等级
1
信道数量
1
功能数量
1
端子数量
4
最高工作温度
125 °C
最低工作温度
-40 °C
封装主体材料
PLASTIC/EPOXY
封装代码
TSOP
封装等效代码
SOT-343R
封装形状
RECTANGULAR
封装形式
SMALL OUTLINE, THIN PROFILE
峰值回流温度（摄氏度）
260
电源
1/5.5 V
认证状态
Not Qualified
座面最大高度
1.1 mm
最大供电电流 (Isup)
0.013 mA
最大供电电压 (Vsup)
5.5 V
最小供电电压 (Vsup)
1 V
标称供电电压 (Vsup)
1.8 V
表面贴装
YES
技术
BICMOS
温度等级
AUTOMOTIVE
端子面层
Matte Tin (Sn)
端子形式
GULL WING
端子节距
0.65 mm
端子位置
DUAL
处于峰值回流温度下的最长时间
NOT SPECIFIED
宽度
1.25 mm
文档预览
19-1839; Rev 5; 7/12
SC70/µDFN, Single/Dual Low-Voltage,
Low-Power µP Reset Circuits
General Description
The MAX6381–MAX6390 microprocessor (µP) supervisory
circuits monitor power-supply voltages from +1.8V to
+5.0V while consuming only 3µA of supply current at
+1.8V. Whenever V
CC
falls below the factory-set reset
thresholds, the reset output asserts and remains assert-
ed for a minimum reset timeout period after V
CC
rises
above the reset threshold. Reset thresholds are available
from +1.58V to +4.63V, in approximately 100mV incre-
ments. Seven minimum reset timeout delays ranging
from 1ms to 1200ms are available.
The MAX6381/MAX6384/MAX6387 have a push-pull
active-low reset output. The MAX6382/MAX6385/
MAX6388 have a push-pull active-high reset output,
and the MAX6383/MAX6386/MAX6389/MAX6390
have an open-drain active-low reset output. The
MAX6384/MAX6385/MAX6386 also feature a
debounced manual reset input (with internal pullup
resistor). The MAX6387/MAX6388/MAX6389 have an
auxiliary input for monitoring a second voltage. The
MAX6390 offers a manual reset input with a longer V
CC
reset timeout period (1120ms or 1200ms) and a shorter
manual reset timeout (140ms or 150ms).
The MAX6381/MAX6382/MAX6383 are available in
3-pin SC70 and 6-pin µDFN packages and the
MAX6384–MAX6390 are available in 4-pin SC70 and
6-pin µDFN packages.
Features
o
Factory-Set Reset Threshold Voltages Ranging
from +1.58V to +4.63V in Approximately 100mV
Increments
o
±2.5% Reset Threshold Accuracy Over
Temperature (-40°C to +125°C)
o
Seven Reset Timeout Periods Available: 1ms,
20ms, 140ms, 280ms, 560ms, 1120ms,
1200ms (min)
o
3 Reset Output Options
Active-Low Push-Pull
Active-High Push-Pull
Active-Low Open-Drain
o
Reset Output State Guaranteed Valid
Down to V
CC
= 1V
o
Manual Reset Input (MAX6384/MAX6385/MAX6386)
o
Auxiliary RESET IN (MAX6387/MAX6388/MAX6389)
o
V
CC
Reset Timeout (1120ms or 1200ms)/Manual
Reset Timeout (140ms or 150ms) (MAX6390)
o
Negative-Going V
CC
Transient Immunity
µ
o
Low Power Consumption of 6µA at +3.6V
µ
and 3µA at +1.8V
o
Pin Compatible with
MAX809/MAX810/MAX803/MAX6326/MAX6327/
MAX6328/MAX6346/MAX6347/MAX6348,
and MAX6711/MAX6712/MAX6713
o
Tiny 3-Pin/4-Pin SC70 and 6-Pin
µ
DFN Packages
MAX6381–MAX6390
Applications
Computers
Controllers
Intelligent Instruments
Critical µP and µC
Power Monitoring
Portable/Battery-
Powered Equipment
Dual Voltage Systems
Ordering Information
PART
MAX6381LT_
_D_+T
MAX6381XR_ _D_+T
MAX6381XR_ _D_/V+T
MAX6382LT_
_D_+T
MAX6382XR_ _D_+T
TEMP RANGE
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
PIN-
PACKAGE
6 µDFN
3 SC70
3 SC70
6 µDFN
3 SC70
Pin Configurations
TOP VIEW
GND
6
GND 1
N.C.
5
V
CC
4
RESET
(RESET) 2
MAX6381
MAX6382
MAX6383
3
V
CC
MAX6381
MAX6382
MAX6383
1
RESET
(RESET)
2
N.C.
3
N.C
SC70
( ) IS FOR MAX6382
Note:
Insert reset threshold suffix (see Reset Threshold table)
after "XR", "XS", or "LT." Insert reset timeout delay (see Reset
Timeout Delay table) after "D" to complete the part number.
Sample stock is generally held on standard versions only (see
Standard Versions table). Standard versions have an order
increment requirement of 2500 pieces. Nonstandard versions
have an order increment requirement of 10,000 pieces.
Contact factory for availability of nonstandard versions.
+Denotes
a lead(Pb)-free/RoHS-compliant package.
/V denotes an automotive qualified part.
Ordering Information continued at end of data sheet.
Typical Operating Circuit appears at end of data sheet.
Selector Guide appears at end of data sheet.
1
µDFN
Pin Configurations continued at end of data sheet.
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
SC70/µDFN, Single/Dual Low-Voltage,
Low-Power µP Reset Circuits
MAX6381–MAX6390
ABSOLUTE MAXIMUM RATINGS
V
CC
to GND ..........................................................-0.3V to +6.0V
RESET
Open-Drain Output....................................-0.3V to +6.0V
RESET,
RESET (push-pull output) ..............-0.3V to (V
CC
+ 0.3V)
MR,
RESET IN.............................................-0.3V to (V
CC
+ 0.3V)
Input Current (V
CC
) .............................................................20mA
Output Current (all pins) .....................................................20mA
Continuous Power Dissipation (T
A
= +70°C)
3-Pin SC70 (derate 2.9mW/°C above +70°C) ..............235mW
4-Pin SC70 (derate 3.1mW/°C above +70°C) ..............245mW
6-Pin µDFN (derate 2.1mW/°C above +70°C) ..........167.7mW
Operating Temperature Range .........................-40°C to +125°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Soldering Temperature (reflow) .......................................+260°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
CC
= full range, T
A
= -40°C to +125°C, unless otherwise specified. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER
Operating Voltage Range
SYMBOL
V
CC
V
CC
= 5.5V, no load
V
CC
Supply Current
I
CC
V
CC
= 3.6V, no load
V
CC
= 2.5V, no load
V
CC
= 1.8V, no load
V
CC
Reset Threshold
(See Reset Thresholds table)
Reset Threshold Tempco
V
CC
to Reset Delay
T
A
= +25°C
V
TH
T
A
= -40°C to +125°C
∆V
TH
/°C
V
CC
falling at 10mV/µs from V
TH
+ 100mV
to V
TH
- 100mV
D1
D2
Reset Timeout Period
MAX6381–MAX6389
(See Reset Timeout table)
D3
t
RP
D5
D6
D4
D7
MR
timeout period
Reset Timeout Period
MAX6390
t
RP
V
CC
timeout period
V
IL
V
TH
< 4V
MR
Input Voltage
V
IH
V
IL
V
IH
V
TH
> 4V
0.7 x
V
CC
0.8
2.4
D4
D7
D4
D7
1
20
140
280
560
1120
1200
140
150
1120
1200
V
TH
-
1.5%
V
TH
-
2.5%
CONDITIONS
MIN
1.0
7
6
4
3
V
TH
V
TH
60
35
2
40
280
560
1120
2240
2400
280
300
2240
2400
0.3 x
V
CC
V
ms
ms
TYP
MAX
5.5
13
11
7
6
V
TH
+
1.5%
V
V
TH
+
2.5%
ppm/°C
µs
µA
UNITS
V
2
SC70/µDFN, Single/Dual Low-Voltage,
Low-Power µP Reset Circuits
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= full range, T
A
= -40°C to +125°C, unless otherwise specified. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER
MR
Minimum Input Pulse Width
MR
Glitch Rejection
MR
to Reset Delay
MR
Internal Pullup Resistance
MAX6381–MAX6389
MAX6390
T
A
= +25°C
RESET IN Input Threshold
V
THRST
T
A
= 0°C to +85°C
T
A
= -40°C to +125°C
RESET IN to RESET Delay
RESET IN Input Leakage Current
Open-Drain
RESET
Output
Voltage
Open-Drain
RESET
Output
Leakage Current
I
RESET IN
V
CC
≥
4.5V, I
SINK
= 3.2mA, reset asserted
V
OL
V
CC
≥
2.5V, I
SINK
= 1.2mA, reset asserted
V
CC
≥
1.0V, I
SINK
= 80µA, reset asserted
I
LKG
V
CC
> V
TH
,
RESET
not asserted
V
CC
≥
4.5V, I
SINK
= 3.2mA, reset asserted
V
OL
Push-Pull
RESET
Output Voltage
V
OH
V
CC
≥
2.5V, I
SINK
= 1.2mA, reset asserted
V
CC
≥
1.0V, I
SINK
= 80µA, reset asserted
V
CC
≥
4.5V, I
SOURCE
= 800µA, reset not
asserted
V
CC
≥
2.5V, I
SOURCE
= 500µA, reset not
asserted
V
CC
≥
4.5V, I
SOURCE
= 800µA, reset asserted
V
CC
≥
2.5V, I
SOURCE
= 500µA, reset asserted
V
OH
V
CC
≥
1.8V, I
SOURCE
= 150µA, reset asserted
Push-Pull RESET Output Voltage
V
CC
≥
1.0V, I
SOURCE
= 1µA, reset asserted
V
CC
≥
4.5V, I
SINK
= 3.2mA, reset not
asserted
V
OL
V
CC
≥
2.5V, I
SINK
= 1.2mA, reset not
asserted
0.8 x
V
CC
0.8 x
V
CC
0.8 x
V
CC
0.8 x
V
CC
0.8 x
V
CC
0.8 x
V
CC
0.4
0.3
V
RESETIN
falling at 4mV/µs from
V
THRST
+ 40mV to V
THRST
- 40mV
-50
32
500
1.245
1.232
1.219
4.5
±1
+50
0.4
0.3
0.3
1.0
0.4
0.3
0.3
V
µA
V
SYMBOL
CONDITIONS
MIN
1
100
200
63
1560
1.27
100
3000
1.295
1.308
1.321
µs
nA
V
TYP
MAX
UNITS
µs
ns
ns
kΩ
Ω
MAX6381–MAX6390
V
Note 1:
Specifications over temperature are guaranteed by design, not production tested.
3
SC70/µDFN, Single/Dual Low-Voltage,
Low-Power µP Reset Circuits
MAX6381–MAX6390
Typical Operating Characteristics
(T
A
= +25°C, unless otherwise noted.)
SUPPLY CURRENT vs. TEMPERATURE
(NO LOAD)
MAX6381/90
toc01
POWER-DOWN RESET DELAY
vs. TEMPERATURE
NORMALIZED RESET TIMEOUT PERIOD
41
POWER-DOWN RESET DELAY (µs)
39
37
35
33
31
29
27
25
V
CC
= +1.8V
MAX6381/90
toc02
NORMALIZED POWER-UP RESET TIMEOUT
vs. TEMPERATURE
MAX6381/90
toc03
9
8
SUPPLY CURRENT (µA)
7
6
5
4
3
2
1
0
V
CC
= +2.5V
V
CC
= +1.8V
V
CC
= +5.5V
V
CC
= +3.6V
43
V
CC
= +3V
1.08
1.06
1.04
1.02
1.00
0.98
0.96
0.94
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
NORMALIZED RESET THRESHOLD
vs. TEMPERATURE
MAX6381/90
toc04
OUTPUT-VOLTAGE LOW
vs. SINK CURRENT
MAX6381/90
toc05
OUTPUT-VOLTAGE HIGH
vs. SOURCE CURRENT
V
CC
= +2.5V
2.5
2.0
V
OH
(V)
1.5
1.0
V
CC
= +1.8V
MAX6381/90
toc06
1.020
NORMALIZED RESET THRESHOLD
1.015
1.010
1.005
1.000
0.995
0.990
0.985
1.2
1.0
0.8
V
OL
(V)
0.6
V
CC
= +3.0V
0.4
0.2
0
0
3
6
I
SINK
(mA)
9
V
CC
= +4.5V
3.0
0.5
0
12
0
250
500
750
1000
1250
1500
I
SOURCE
(µA)
0.990
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
MAXIMUM TRANSIENT DURATION
vs. RESET COMPARATOR OVERDRIVE
MAX6381/90
toc07
RESET IN TO RESET DELAY
vs. TEMPERATURE
5.3
5.1
RESET IN DELAY (µs)
4.9
4.7
4.5
4.3
4.1
3.9
3.7
3.5
MAX6381/90
toc08
500
MAXIMUM
TRANSIENT DURATION (µs)
450
400
350
300
250
200
150
100
50
0
1
10
100
RESET ASSERTED
ABOVE THIS LINE
5.5
1000
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
RESET COMPARATOR OVERDRIVE, V
TH
- V
CC
(mV)
4
SC70/µDFN, Single/Dual Low-Voltage,
Low-Power µP Reset Circuits
Pin Description
PIN
3-PIN SC70
µDFN
4-PIN SC70
NAME
FUNCTION
MAX6384/
MAX6381/
MAX6387/
MAX6382 MAX6386/ MAX6385
MAX6388
MAX689
MAX6383
MAX6390
MAX6381–MAX6390
1
(MAX6382/
MAX6385/
MAX6388)
2
—
2
—
2
RESET
1
(MAX6381/
MAX6383/
MAX6384/
MAX6386/
MAX6387/
MAX6390)
2, 3, 5
(MAX6381/
MAX6382/
MAX6383)
2, 5
(MAX6384–
MAX6390)
2
—
2
—
2
—
RESET
Active-High Push-Pull Reset Output.
RESET changes from low to high when
any monitored voltage (V
CC
or
V
RESETIN
) drops below the reset
threshold or
MR
is pulled low. RESET
remains high for the reset timeout
period after monitored voltages exceed
the reset thresholds or
MR
is released.
Active-Low Open-Drain/Push-Pull Reset
Output.
RESET
changes from high to low
when any monitored voltage (V
CC
or
V
RESETIN
) drops below the reset threshold
or
MR
is pulled low.
RESET
remains low for
the reset timeout period after the monitored
voltages exceed the reset thresholds or
MR
is released. Open-drain requires an
external pullup resistor.
—
—
—
—
—
—
N.C.
No Connection. Not Internally
connected.
3
(MAX6384/
MAX6385/
MAX6386/
MAX6390)
—
—
3
3
—
—
MR
Active-Low Manual Reset Input. Drive
low to force a reset. Reset remains
active as long as
MR
is low and for the
reset timeout period after
MR
is
released. Leave unconnected or
connect to V
CC
if unused.
MR
has an
internal 63kΩ (1.56kΩ for MAX6390)
pullup resistor to V
CC
.
Auxiliary Reset Input. High-impedance
input to the auxiliary reset comparator.
Connect RESET IN to the center point of
an external resistor voltage-divider
network to set the reset threshold voltage.
Reset asserts when either V
CC
or RESET
IN falls below its threshold voltage.
Supply Voltage for the device and input
for fixed V
CC
reset threshold monitor.
3
(MAX6387/
MAX6388/
MAX6389)
—
—
—
—
3
3
RESET
IN
4
(MAX6381–
MAX6390)
6
(MAX6381–
MAX6390)
3
3
4
4
4
4
V
CC
1
1
1
1
1
1
GND
Ground
5
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器件捷径:
L0 L1 L2 L3 L4 L5 L6 L7 L8 L9 LA LB LC LD LE LF LG LH LI LJ LK LL LM LN LO LP LQ LR LS LT LU LV LW LX LY LZ M0 M1 M2 M3 M4 M5 M6 M7 M8 M9 MA MB MC MD ME MF MG MH MI MJ MK ML MM MN MO MP MQ MR MS MT MU MV MW MX MY MZ N0 N1 N2 N3 N4 N5 N6 N7 N8 NA NB NC ND NE NF NG NH NI NJ NK NL NM NN NO NP NQ NR NS NT NU NV NX NZ O0 O1 O2 O3 OA OB OC OD OE OF OG OH OI OJ OK OL OM ON OP OQ OR OS OT OV OX OY OZ P0 P1 P2 P3 P4 P5 P6 P7 P8 P9 PA PB PC PD PE PF PG PH PI PJ PK PL PM PN PO PP PQ PR PS PT PU PV PW PX PY PZ Q1 Q2 Q3 Q4 Q5 Q6 Q8 Q9 QA QB QC QE QF QG QH QK QL QM QP QR QS QT QV QW QX QY R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 RA RB RC RD RE RF RG RH RI RJ RK RL RM RN RO RP RQ RR RS RT RU RV RW RX RY RZ
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