HA16103FPJ Renesas Electronics America, HA16103FPJ Datasheet - Page 4

• Manufacturer Part Number: HA16103FPJ
• Manufacturer: Renesas Electronics America

Specifications of HA16103FPJ

• Number Of Elements: 2
• Battery Backup Switching: No
• Watchdog Timer: Yes
• Chip Enable Signals: No
• Manual Reset: No
• Package Type: SOP
• Operating Supply Voltage (min): 6V
• Operating Supply Voltage (max): 40V
• Reset Threshold Voltage (max): 4.8/3.5V
• Reset Threshold Voltage (min): 4.4/2.9V
• Power Dissipation: 400mW
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Power Fail Detection: No
• Mounting: Surface Mount
• Pin Count: 20
• Supply Current: 12mA
• Lead Free Status / Rohs Status: Not Compliant

HA16103FPJ/FPK
Pin Arrangement
Pin Functions
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Rev.3.00 Jun 15, 2005 page 2 of 18
No.
P-RUN
Rf
Cf
NC
R
C
GND
Voadj
V
NC
NC
V
V
C
V
NMI
RES
V
STBY
NC
OUT
CONT
CC
NMIadj
STBYadj
R
R
RES
Pin Name
NC pin
P-RUN signal input pin for watchdog timer
Connect resistor Rf. Frequency bandwidth of the filter circuit depends on Rf
Connect resistor Cf. Frequency bandwidth of the filter circuit depends on Cf
Connect resistor R
Connect resistor C
Ground
5-V reference voltage fine-tuning pin. Connect a resistor between this pin and GND.
The value of output voltage is given by
V
Connect the collector of an external PNP-type transistor. The pin supplies 5-V
regulated voltage for internal circuit
NC pin
NC pin
The external PNP-type transistor’s base control pin
Supply voltage pin. Operating supply voltage range is 6.0 to 40 V.
If the voltage of V
instant power cut or other cause), NMI signals are generated.
If t
If the voltage of V
start from LVI state), NMI signals are stop. t
then, RES signals are stop. Connect capacitor C
adjust the RES signals delay time(t
open (t
NMI detection voltage fine-tuning pin. Connect a resistor between this pin and V
pin or GND. The value of output voltage is given by
V
NMI signal output pin. Connect to pin NMI of the microcomputer
RES signal output pin. Connect to pin RES of the microcomputer
STBY detection voltage tuning pin. Connect a resistor between this pin and V
GND. The value of output voltage is given by
V
STBY signal output pin. Connect to pin STBY of the microcomputer
NC pin
OUT
NMI
STBY
RES
= {1 + (R2 // 25.5)/(R3 // 10.6)}
= {1 + 5.34/(R1 // 2.0)}
NC
P-RUN
NC
= 1.89
Rf
Cf
R
C R
GND
V
V OUT
≈ 0.5•Rf•C
RES
R
Oadj
= 2 s typ. t
{1 + 21/(7.9 + 8.85 // R4)}
1
2
3
4
5
6
7
8
9
10
RES
OUT
OUT
(Top view)
R
R
(sec) has passed since then, RES signals are generated.
. Reset-signal power-on time depends on R
. Reset-signal power-on time depends on C
pin declines to less than Detection voltage(1) (because of an
pin inclines to more than Detection voltage(1) (in case of re-
r
= 10 s typ. at open)
20
19
18
17
16
15
14
13
12
11
Voadj Unit for R1: k
RES
C
NC
STBY
V
RES
NMI
V
V
V
NC
Description
STBYadj
NMIadj
CONT
RES
CC
V
, t
NMIadj
r
). If delay time is unnecessary, make this pin
V
r
. Unit for R2, R3: k
STBYadj
≈ 0.5•Rf•C
RES
Unit for R4: k
between this pin and GND to
RES
(sec) has passed since
R
R
OUT
OUT
or