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PDF PST35XX Data sheet ( Hoja de datos )
| Número de pieza | PST35XX | |
| Descripción | (PST35XX / PST36XX) IC for CMOS System Reset | |
| Fabricantes | Mitsumi Electronics | |
| Logotipo |  |
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MITSUMI
IC for CMOS System Reset PST35XX, 36XX
IC for CMOS System Reset
Monolithic IC PST35XX, 36XX Series March 21, 2004
Outline
This system reset IC, developed using the CMOS process, has a built-in delay function. Ultra-low
consumption current of 1.0µA (typ.). has been achieved through use of the CMOS process. Also, detection
voltage is high-precision detection of ±2%. The small package MLF-4 (1.1 1.4 0.6mm) is used for space
saving.
Features
1. Ultra-low current consumption
1.0µA typ. (VDD = Vs + 1V)
2. High-precision detection voltage
±2%
3. Operating range
0.7 ~ 10V
4. Wide operating temperature range
-30 ~ +85°C
5. Detection voltage
0.9 ~ 6.0V (0.1V step)
6. Delay time can be easily set with an external component (capacitor).
Packages
SOT-25A (PST35XXNR, PST36XXNR)
SC-82ABA, SC-82ABB (PST36XXUR, PST36XXUR)
SSON-4
Applications
www.DataSheet4U.com
1. Reset circuits for microcomputers, CPUs and MPUs
2. Reset circuits for logic circuits
3. Battery voltage check circuits
4. Back-up power supply switching circuits
5. Level detection circuits
6. Delay time can be easily set with an external component (capacitor).
Pin Assignment
54
123
SOT-25A
(TOP VIEW)
43
12
SSON-4
(TOP VIEW)
1 OUT
2 VDD
3 GND
4 NC
5 Cd
1 GND
2 OUT
3 Cd
4 VDD
43
12
SC-82ABA
SC-82ABB
(TOP VIEW)
1 GND
2 VDD
3 Cd
4 OUT
1 page  
MITSUMI
IC for CMOS System Reset PST35XX, 36XX
Electrical Characteristics (Except where noted otherwise, Ta=25°C)
Item
Hysteresis voltage
Detection voltage
temperature coefficient
Consumption current 1
Consumption current 2
Output voltage 1
Output voltage 2
Output voltage 3
Delay terminal threshold voltage
Delay terminal output current 1
Delay terminal output current 2
Minimum operating voltage 1
Minimum operating voltage 2
Delay circuit resistance
Leak current
Symbol
VHYS
Vs/ T
ISS1
ISS2
IOUT1
IOUT2
IOUT3
VTCD
ICD1
ICD2
VDDL1
VDDL2
RD
ILEAK
Measurement conditions
-30°C <= TOPT <= 85°C
VDD= (-VDET) -0.13V
VDD= (-VDET) +2.0V
Nch: VDS=0.05V, VDD=0.7V
VDD=1.5V, Nch:VDS=0.5V, VDD=1.5V
VDD=4.5V, Pch: VDS=-2.1V
VDD= (-VDET) 1.1V
VDS=0.1V, VDD=0.7V
VDS=0.5V, VDD=1.5V
VOUT <= 0.1V, TOPT=25°C
VOUT <= 0.1V, -30°C <= TOPT <= 85°C
VDD=10V, VCD=10V, VDS=10V
Note: Output current is only CMOS output (PST3530NR).
Measuring Circuit
PST35XXNR
(1)
(2)
Min. Typ. Max. Unit
Vs 0.03 Vs 0.05 Vs 0.07 V
±0.01
%/°C
4 8 µA
1.2 3.6 µA
0.01 0.05
mA
1.0 2.0
mA
1.0 2.0
mA
VDD 0.4 VDD 0.5 VDD 0.6 V
2 30
µA
200 800
µA
0.55 0.70 V
0.65 0.80 V
0.5 1.0 2.0 MΩ
0.1 µA
(3) (4)
5 Page 
MITSUMI
IC for CMOS System Reset PST35XX, 36XX
Characteristics (For products with PST3528 detection voltage 2.8V typ. CMOS output)
Output voltage vs input voltage
3.0
2.5
2.0
1.5
1.0
0.5
0
1 1.5 2 2.5
Input Voltage (V)
3
Consumption current vs input voltage
3
2.5
2
1.5
1
0.5
0
0 2 4 6 8 10
Input Voltage (V)
CD pin output current vs input voltage
VDS=0.5V
4.0
3.0
2.0
1.0
0.0
0
0.5 1 1.5 2 2.5
Input Voltage (V)
3
Delay time vs CD
1000
100
10
1
0.1
0.0001
0.001 0.01
CD (µF)
0.1
1
Detecting voltage vs temperature
3.00
2.90
2.80
2.70
2.60
-40 -20 0 20 40 60 80 100
Temperature (°C)
Hysteresis voltage vs temperature
200
180
160
140
120
100
80
-40 -20 0 20 40 60 80 100
Temperature (°C)
Note: These are typical characteristics.
11 Page | ||
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| PDF Descargar | [ Datasheet PST35XX.PDF ] | |
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