MC33164P-3.3 [MOTOROLA]
1-CHANNEL POWER SUPPLY SUPPORT CKT, PBCY3, PLASTIC, TO-226AA, 3 PIN;
| 型号： | MC33164P-3.3 |
| 厂家： | 
MOTOROLA |
| 描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PBCY3, PLASTIC, TO-226AA, 3 PIN |
| 文件： | 总12页 (文件大小：229K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Order this document by MC34164/D
MICROPOWER
UNDERVOLTAGE
SENSING CIRCUITS
The MC34164 series are undervoltage sensing circuits specifically
designed for use as reset controllers in portable microprocessor based
systems where extended battery life is required. These devices offer the
designer an economical solution for low voltage detection with a single
external resistor. The MC34164 series features a bandgap reference, a
comparator with precise thresholds and built–in hysteresis to prevent erratic
reset operation, an open collector reset output capable of sinking in excess
of 6.0 mA, and guaranteed operation down to 1.0 V input with extremely low
standby current. These devices are packaged in 3–pin TO–226AA, 8–pin
SO–8 and Micro–8 surface mount packages.
SEMICONDUCTOR
TECHNICAL DATA
P SUFFIX
Applications include direct monitoring of the 3.0 or 5.0 V MPU/logic power
supply used in appliance, automotive, consumer, and industrial equipment.
PLASTIC PACKAGE
Pin 1. Reset
2. Input
CASE 29
(TO–226AA)
• Temperature Compensated Reference
3. Ground
1
• Monitors 3.0 V (MC34164–3) or 5.0 V (MC34164–5) Power Supplies
• Precise Comparator Thresholds Guaranteed Over Temperature
• Comparator Hysteresis Prevents Erratic Reset
2
3
• Reset Output Capable of Sinking in Excess of 6.0 mA
• Internal Clamp Diode for Discharging Delay Capacitor
• Guaranteed Reset Operation With 1.0 V Input
D SUFFIX
PLASTIC PACKAGE
CASE 751
8
1
(SO–8)
• Extremely Low Standby Current: As Low as 9.0 µA
• Economical TO–226AA, SO–8 and Micro–8 Surface Mount Packages
DM SUFFIX
PLASTIC PACKAGE
CASE 846A
8
1
(Micro–8)
Representative Block Diagram
1
2
3
4
8
7
6
5
Reset
Input
N.C.
N.C.
N.C.
N.C.
Input
2 (2)
N.C.
Reset
1 (1)
Ground
(Top View)
ORDERING INFORMATION
Operating
Temperature Range
Device
Package
MC34164D–3
MC34164D–5
MC34164DM–3
MC34164DM–5
MC34164P–3
MC34164P–5
MC33164D–3
MC33164D–5
MC33164DM–3
MC33164DM–5
MC33164P–3
MC33164P–5
1.2 V
ref
SO–8
T
= 0° to +70°C
Micro–8
TO–226AA
SO–8
A
Gnd
3 (4)
Sink Only
Positive True Logic
=
Pin numbers adjacent to terminals are for the 3–pin TO–226AA package.
Pin numbers in parenthesis are for the 8–lead packages.
T
= –40° to +125°C
Micro–8
A
This device contains 28 active transistors.
TO–226AA
Motorola, Inc. 1996
Rev 1
MC34164 MC33164
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
V
Power Input Supply Voltage
Reset Output Voltage
V
–1.0 to 12
–1.0 to 12
in
O
V
V
Reset Output Sink Current
I
Internally
Limited
mA
Sink
Clamp Diode Forward Current, Pin 1 to 2 (Note 1)
I
F
100
mA
Power Dissipation and Thermal Characteristics
P Suffix, Plastic Package
Maximum Power Dissipation @ T = 25°C
Thermal Resistance, Junction–to–Air
D Suffix, Plastic Package
P
700
178
mW
°C/W
A
D
R
R
R
θJA
Maximum Power Dissipation @ T = 25°C
P
700
178
mW
°C/W
A
D
θJA
Thermal Resistance, Junction–to–Air
DM Suffix, Plastic Package
Maximum Power Dissipation @ T = 25°C
P
520
240
mW
°C/W
A
D
θJA
Thermal Resistance, Junction–to–Air
Operating Junction Temperature
T
+150
°C
°C
J
Operating Ambient Temperature Range
MC34164 Series
T
A
0 to +70
MC33164 Series
– 40 to + 85
Storage Temperature Range
T
stg
– 65 to +150
°C
NOTE: ESD data available upon request.
MC34164–3, MC33164–3 SERIES
ELECTRICAL CHARACTERISTICS (For typical values T = 25°C, for min/max values T is the operating ambient temperature range
A
A
that applies [Notes 2 & 3], unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
COMPARATOR
Threshold Voltage
V
High State Output (V Increasing)
Low State Output (V Decreasing)
in
V
V
IL
V
H
2.55
2.55
0.03
2.71
2.65
0.06
2.80
2.80
–
in
IH
Hysteresis (I
= 100 µA)
Sink
RESET OUTPUT
Output Sink Saturation
V
OL
V
(V = 2.4 V, I
(V = 1.0 V, I
in
= 1.0 mA)
= 0.25 mA)
–
–
0.14
0.1
0.4
0.3
in
Sink
Sink
Output Sink Current (V , Reset = 2.4 V)
in
I
6.0
12
30
mA
Sink
I
Output Off–State Leakage
R(leak)
µA
(V , Reset = 3.0 V)
(V , Reset = 10 V)
in
–
–
0.02
0.02
0.5
1.0
in
Clamp Diode Forward Voltage, Pin 1 to 2 (I = 5.0 mA)
F
V
F
6.0
0.9
1.2
V
TOTAL DEVICE
Operating Input Voltage Range
V
in
1.0 to 10
–
–
V
Quiescent Input Current
I
in
µA
V
in
V
in
= 3.0 V
= 6.0 V
–
–
9.0
24
15
40
NOTES: 1. Maximum package power dissipation limits must be observed.
2. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible.
3. T
3. T
=
=
0°C for MC34164
– 40°C for MC33164
T
T
= + 70°C for MC34164
= + 85°C for MC33164
low
low
high
high
2
MOTOROLA ANALOG IC DEVICE DATA
MC34164 MC33164
MC34164–5, MC33164–5 SERIES
ELECTRICAL CHARACTERISTICS (For typical values T = 25°C, for min/max values T is the operating ambient temperature range
A
A
that applies [Notes 2 & 3], unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
COMPARATOR
Threshold Voltage
V
High State Output (V Increasing)
Low State Output (V Decreasing)
in
V
V
IL
V
H
4.15
4.15
0.02
4.33
4.27
0.09
4.45
4.45
–
in
IH
Hysteresis (I
= 100 µA)
Sink
RESET OUTPUT
Output Sink Saturation
V
OL
V
(V = 4.0 V, I
(V = 1.0 V, I
in
= 1.0 mA)
= 0.25 mA)
–
–
0.14
0.1
0.4
0.3
in
Sink
Sink
Output Sink Current (V , Reset = 4.0 V)
in
I
7.0
20
50
mA
Sink
I
Output Off–State Leakage
R(leak)
µA
(V , Reset = 5.0 V)
(V , Reset = 10 V)
in
–
–
0.02
0.02
0.5
2.0
in
Clamp Diode Forward Voltage, Pin 1 to 2 (I = 5.0 mA)
F
V
F
0.6
0.9
1.2
V
TOTAL DEVICE
Operating Input Voltage Range
V
in
1.0 to 10
–
–
V
Quiescent Input Current
I
in
µA
V
in
V
in
= 5.0 V
= 10 V
–
–
12
32
20
50
NOTES: 2. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible.
3. T
3. T
=
=
0°C for MC34164
– 40°C for MC33164
T
T
= + 70°C for MC34164
= + 85°C for MC33164
low
low
high
high
Figure 1. MC3X164–3 Reset Output
Voltage versus Input Voltage
Figure 2. MC3X164–5 Reset Output
Voltage versus Input Voltage
10
10
R
= 82 k to V
in
R
= 82 k to V
L
L in
8.0
6.0
8.0
6.0
T
= 25
°C
T = 25°C
A
A
4.0
2.0
0
4.0
2.0
0
0
2.0
4.0
6.0
8.0
10
0
2.0
4.0
V , INPUT VOLTAGE (V)
in
6.0
8.0
10
V
, INPUT VOLTAGE (V)
in
3
MOTOROLA ANALOG IC DEVICE DATA
MC34164 MC33164
Figure 3. MC3X164–3 Reset Output
Voltage versus Input Voltage
Figure 4. MC3X164–5 Reset Output
Voltage versus Input Voltage
5.0
4.0
5.0
4.0
3.0
2.0
1.0
3.0
2.0
1.0
R
T
= 82 k to V
in
R
T
= 82 k to V
in
L
A
L
A
= 25°C
= 25°C
0
2.62
0
4.22
2.66
2.70
2.74
2.78
4.26
4.30
V , INPUT VOLTAGE (V)
in
4.34
4.38
V
, INPUT VOLTAGE (V)
in
Figure 5. MC3X164–3 Comparator Threshold
Voltage versus Temperature
Figure 6. MC3X164–5 Comparator Threshold
Voltage versus Temperature
2.76
2.72
2.68
2.64
2.60
4.36
4.32
4.28
4.24
4.20
Upper Threshold
High State Output
Upper Threshold
High State Output
Lower Threshold
Low State Output
Lower Threshold
Low State Output
– 50
– 25
0
25
50
75
100
C)
125
– 50
– 25
0
25
50
75
100
C)
125
T , AMBIENT TEMPERATURE (
°
T , AMBIENT TEMPERATURE (
°
A
A
Figure 7. MC3X164–3 Input Current
versus Input Voltage
Figure 8. MC3X164–5 Input Current
versus Input Voltage
50
40
30
50
40
30
T
= 25°C
A
T
= 25°C
A
T
= 0°C
A
20
10
0
20
10
0
T
= 0°C
T
= 70°C
A
A
T
= 70
8.0
°C
A
0
2.0
4.0
6.0
8.0
10
0
2.0
4.0
V , INPUT VOLTAGE (V)
in
6.0
10
V
, INPUT VOLTAGE (V)
in
4
MOTOROLA ANALOG IC DEVICE DATA
MC34164 MC33164
Figure 9. MC3X164–3 Reset Output
Saturation versus Sink Current
Figure 10. MC3X164–5 Reset Output
Saturation versus Sink Current
4.0
4.0
T
= 25°C
A
V
= 2.4 V
V
, Reset = 4 V
in
in
T
= 70°C
A
T
= 0°C
A
3.0
2.0
3.0
2.0
T
= 70°C
A
T
= 25°C
A
T
= 25°C
T
A
= 0°C
A
T
= 25°C
A
T
= 0
°
C
T = 0°C
A
A
1.0
0
1.0
0
T
= 70
°
C
T
= 70
°
C
A
A
0
4.0
8.0
12
16
20
0
4.0
8.0
12
16
20
V
, SINK CURRENT (mA)
I
Sink
, SINK CURRENT (mA)
Sink
Figure 11. Clamp Diode Forward Current
versus Voltage
Figure 12. Reset Delay Time
(MC3X164–5 Shown)
32
24
16
8.0
0
V
= 5.0 V to 4.0 V
= 43 k
= 25°C
in
L
Reset
R
T
V
= 0 V
= 25°C
in
A
90%
T
A
V
in
5.0 V
4.0 V
V
in
43k
5.0V
4.0V
Reset
10
%
Ref
0
0.4
0.8
1.2
1.6
5.0 µs/DIV
V
, FORWARD VOLTAGE (V)
F
Figure 13. Low Voltage Microprocessor Reset
R
2 (2)
Power
Supply
Reset
Microprocessor
Circuit
1 (1)
C
DLY
1
1.2 V
ref
t
= R
In
CDLY
V
DLY
th(MPU)
1 –
3 (4)
V
in
A time delayed reset can be accomplished with the addition of C
supply rise times (< 500ns)itisrecommendedthattheRCDLYtimeconstantbegreaterthan5.0
the microprocessor reset input threshold.
. For systems with extremely fast power
DLY
µs. V
is
th(MPU)
5
MOTOROLA ANALOG IC DEVICE DATA
MC34164 MC33164
Figure 14. Low Voltage Microprocessor Reset With Additional Hysteresis
(MC3X164–5 Shown)
Test Data
∆V
R
H
V
(mV)
R
R
L
(kΩ)
H
th
H
I
in
2 (2) V
in
(mV)
(Ω)
R
L
Power
Supply
Microprocessor
Circuit
60
0
0
43
10
6.8
4.3
10
6.8
4.3
10
8.2
6.8
5.6
4.3
Reset
100
100
100
220
220
220
470
470
470
470
470
1 (1)
103
123
160
155
199
280
262
306
357
421
530
1.0
1.0
1.0
2.2
2.2
2.2
4.7
4.7
4.7
4.7
4.7
4.3 R
H
1.2 V
ref
V
≈
+ 0.06
– 6
10 R x 10
H
H
R
L
MC3X164–5
3 (4)
∆
V
≈
th(lower)
where: R
≤
1.0 k
Ω
H
R
43 kΩ ≥
≥
4.3 k
Ω
L
Comparatorhysteresis can be increased with the addition of resistor R . The hysteresis equation has been simplified and does not account for the change of input current
H
I
as V crosses the comparator threshold (Figure 8). An increase of the lower threshold
∆V
will be observed due to I which is typically 10 µA at 4.3 V. The
in
in
th(lower)
in
equations are accurate to
±
10% with R less than 1.0 k
Ω
and R between 4.3 kΩ and 43 kΩ.
H
L
Figure 15. Voltage Monitor
Figure 16. Solar Powered Battery Charger
2 (2)
1.0 k
2 (2)
Power
Supply
1 (1)
1 (1)
Solar
Cells
1.2 V
ref
1.2 V
ref
3 (4)
3 (4)
Figure 17. MOSFET Low Voltage Gate Drive Protection Using the MC3X164–5
V
CC
R
L
MTP3055EL
270
4.3V
2 (2)
1 (1)
OverheatingofthelogiclevelpowerMOSFETduetoinsufficient
gate voltage can be prevented with the above circuit. When the
input signal is below the 4.3 V threshold of the MC3X164–5, its
2
output grounds the gate of the L MOSFET.
1.2 V
ref
3 (4) MC3X164–5
6
MOTOROLA ANALOG IC DEVICE DATA
MC34164 MC33164
OUTLINE DIMENSIONS
P SUFFIX
PLASTIC PACKAGE
CASE 29–04
NOTES:
(TO–226AA)
ISSUE AD
A
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. CONTOUR OF PACKAGE BEYOND DIMENSION R
IS UNCONTROLLED.
B
R
4. DIMENSION F APPLIES BETWEEN P AND L.
DIMENSION D AND J APPLY BETWEEN L AND K
MINIMUM. LEAD DIMENSION IS UNCONTROLLED
IN P AND BEYOND DIMENSION K MINIMUM.
P
L
F
SEATING
PLANE
K
INCHES
MIN
MILLIMETERS
DIM
A
B
C
D
F
G
H
J
K
L
N
P
MAX
0.205
0.210
0.165
0.022
0.019
0.055
0.105
0.020
–––
MIN
4.45
4.32
3.18
0.41
0.41
1.15
2.42
0.39
12.70
6.35
2.04
–––
MAX
5.20
5.33
4.19
0.55
0.48
1.39
2.66
0.50
–––
0.175
0.170
0.125
0.016
0.016
0.045
0.095
0.015
0.500
0.250
0.080
–––
D
X X
G
J
H
V
C
–––
–––
SECTION X–X
0.105
0.100
–––
2.66
2.54
–––
1
N
R
V
0.115
0.135
2.93
3.43
N
–––
–––
D SUFFIX
PLASTIC PACKAGE
CASE 751–05
(SO–8)
ISSUE P
NOTES:
1. DIMENSIONS A AND B ARE DATUMS AND T IS A
DATUM SURFACE.
–A–
2. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
3. DIMENSIONS ARE IN MILLIMETER.
4. DIMENSION A AND B DO NOT INCLUDE MOLD
PROTRUSION.
J
8
1
5
4
–B–
5. MAXIMUM MOLD PROTRUSION 0.15 PER SIDE.
6. DIMENSION D DOES NOT INCLUDE MOLD
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.127 TOTAL IN EXCESS
OF THE D DIMENSION AT MAXIMUM MATERIAL
CONDITION.
MILLIMETERS
G
DIM
A
B
C
D
F
G
J
K
M
P
MIN
4.80
3.80
1.35
0.35
0.40
MAX
5.00
4.00
1.75
0.49
1.25
M
–T–
SEATING
PLANE
1.27 BSC
0.18
0.10
0
0.25
0.25
7
8X D
M
S
S
0.25 (0.010)
T
B
A
5.80
0.25
6.20
0.50
R
7
MOTOROLA ANALOG IC DEVICE DATA
MC34164 MC33164
OUTLINE DIMENSIONS
DM SUFFIX
PLASTIC PACKAGE
CASE 846A–02
(Micro–8)
ISSUE B
–A–
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSION A DOES NOT INCLUDE MOLD FLASH,
PROTRUSIONS OR GATE BURRS. MOLD FLASH,
PROTRUSIONS OR GATE BURRS SHALL NOT
EXCEED 0.15 (0.006) PER SIDE.
–B–
K
4. DIMENSION D DOES NOT INCLUDE INTERLEAD
FLASH OR PROTRUSION. INTERLEAD FLASH OR
PROTRUSION SHALL NOT EXCEED 0.25 (0.010)
PER SIDE.
PIN 1 ID
G
D 8 PL
MILLIMETERS
INCHES
DIM
A
B
C
D
MIN
2.90
2.90
–––
MAX
3.10
3.10
1.10
0.40
MIN
MAX
0.122
0.122
0.043
0.016
M
S
S
0.08 (0.003)
T
B
A
0.114
0.114
–––
0.25
0.010
SEATING
PLANE
G
H
J
K
L
0.65 BSC
0.026 BSC
–T–
0.05
0.13
4.75
0.40
0.15
0.23
5.05
0.70
0.002
0.005
0.187
0.016
0.006
0.009
0.199
0.028
0.038 (0.0015)
C
L
J
H
Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding
the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and
specificallydisclaims any and all liability, including without limitation consequential or incidental damages. “Typical” parameters which may be provided in Motorola
datasheetsand/orspecificationscananddovaryindifferentapplicationsandactualperformancemayvaryovertime. Alloperatingparameters,including“Typicals”
must be validated for each customer application by customer’s technical experts. Motorola does not convey any license under its patent rights nor the rights of
others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other
applicationsintended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury
ordeathmayoccur. ShouldBuyerpurchaseoruseMotorolaproductsforanysuchunintendedorunauthorizedapplication,BuyershallindemnifyandholdMotorola
and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees
arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that
Motorola was negligent regarding the design or manufacture of the part. Motorola and
Opportunity/Affirmative Action Employer.
are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal
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MC34164/D
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Device MC33164
MicroPower UnderVoltage Sensing Circuit
The MC34164 series are undervoltage sensing circuits specifically designed for use as reset controllers in portable
microprocessor based systems where extended battery life is required. These devices offer the designer an
economical solution for low voltage detection with a single external resistor. The MC34164 series features a
bandgap reference, a comparator with precise thresholds and built-in hysteresis to prevent erratic reset operation,
an open collector reset output capable of sinking in excess of 6.0 mA, and guaranteed operation down to 1.0 V
input with extremely low standby current. These devices are packaged in 3-pin TO-226AA, 8-pin SO-8 and Micro-8
surface mount packages.
Applications include direct monitoring of the 3.0 or 5.0 V MPU/logic power supply used in appliance, automotive,
consumer, and industrial equipment.
Features:
l Temperature Compensated Reference
l Monitors 3.0 V (MC34164-3) or 5.0 V (MC34164-5) Power Supplies
l Precise Comparator Thresholds Guaranteed Over Temperature
l Comparator Hysteresis Prevents Erratic Reset
l Reset Output Capable of Sinking in Excess of 6.0 mA
l Internal Clamp Diode for Discharging Delay Capacitor
l Guaranteed Reset Operation With 1.0 V Input
l Extremely Low Standby Current: As Low as 9.0 µA
l Economical TO-226AA, SO-8 and Micro-8 Surface Mount Packages
Orderable Parts
Package Pin
Case
Action Orderable Part
Short Desc.
Status
Price/Unit Pack Qty
Desc.
Count Outline
N/A
MC33164D-3.3
MicroPower
UnderVoltage
Sensing
N/A
N/A
N/A
Intro
Pending
Circuit
N/A
N/A
MC33164-3.3R2
MC33164D-4.6
Tape and
Reel
N/A
N/A
N/A
N/A
N/A
N/A
Intro
Pend
MicroPower
UnderVoltage
Sensing
Intro
Pending
Circuit
N/A
N/A
MC33164D-4.6R2 Tape and
Reel
N/A
N/A
N/A
N/A
N/A
N/A
Intro
Pending
MC33164P-3.3
MicroPower
UnderVoltage
Sensing
Intro
Pending
Circuit
N/A
MC33164P-4.6
MicroPower
UnderVoltage
Sensing
N/A
N/A
N/A
Intro
Pending
Circuit
N/A
N/A
MC33164SN-5T1 Tape and
Reel
N/A
N/A
N/A
N/A
N/A
N/A
Active
MC33164P-3.3RP MicroPower
Intro
Pending
UnderVoltage
Sensing
Circuit
N/A
N/A
N/A
N/A
N/A
N/A
MC33164P-3RA
MC33164P-3RP
MicroPower
UnderVoltage (TO-
Sensing
Circuit
TO-92
3
29-11
29-11
N/A
Active
Active
$0.920
$0.920
2000
2000
226)
MicroPower
UnderVoltage (TO-
Sensing
Circuit
TO-92
3
226)
MC33164P-4.6RA MicroPower
N/A
N/A
N/A
3
Intro
Pending
UnderVoltage
Sensing
Circuit
MC33164P-4.6RP MicroPower
N/A
N/A
Intro
Pending
UnderVoltage
Sensing
Circuit
MC33164P-5RA
MC33164P-5RP
MicroPower
UnderVoltage (TO-
Sensing
Circuit
TO-92
29-11
29-11
Active
Active
$0.920
$0.920
$0.933
2000
2000
2500
226)
MicroPower
UnderVoltage (TO-
Sensing
Circuit
TO-92
3
226)
N/A
N/A
MC33164D-3R2
MC33164D-3
Tape and
Reel
SOIC
SOIC
8
8
751-06
751-06
Active
Active
MicroPower
UnderVoltage
Sensing
Circuit
N/A
N/A
MC33164D-5R2
MC33164D-5
Tape and
Reel
SOIC
SOIC
8
8
751-06
751-06
Active
Active
$0.933
2500
MicroPower
UnderVoltage
Sensing
Circuit
N/A
N/A
N/A
MC33164DM-3R2 Tape and
Reel
Micro-8
Micro-8
TO-92
8
8
3
846A-02 Active
846A-02 Active
MC33164DM-5R2 Tape and
Reel
MC33164P-3
MicroPower
UnderVoltage (TO-
29-11
29-11
N/A
Active
Active
Sensing
Circuit
226)
N/A
N/A
MC33164P-5
MicroPower
UnderVoltage (TO-
TO-92
3
Sensing
Circuit
226)
MC33164P-3.3RA MicroPower
N/A
N/A
Intro
UnderVoltage
Sensing
Pending
Circuit
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