HA1835P Ver la hoja de datos (PDF) - Hitachi -> Renesas Electronics

Número de pieza

componentes Descripción

Lista de partido

HA1835P

Watchdog Timer

Hitachi -> Renesas Electronics 

HA1835P/HA1848P

Electrical Characteristics (VCC = 12 V, Vout = 5 V, Ta = 25°C)

Item

Power supply terminal current

Symbol Min Typ

ICC

—

6.3

Regulator Output voltage

Vout1 4.75

section

Vout2 4.70

Line regulation

Load regulation

Ripple rejection

Limiter operating current

Output voltage temperature

coefficient

δVOline

–50

δVOload

–100

RREJ

40

ICS

1.0

δVout/δT —

P-RUN input Low-level input voltage

VIL

section

High-level input voltage

VIH

Low-level input current

IIL

High-level input current

IIH

Reset circuit Reset terminal low-level

VOL1

section

voltage

—

2.0

–120

—

—

Reset terminal

IOH1

—

leakage current

IOH3

—

Reset time Power on time

ton

80

Clock off reset time

toff

60

Reset pulse low-level time tRL

40

Reset pulse high-level time tRH

50

5.00

5.00

—

—

75

—

–0.6

—

—

–60

1.8

—

—

—

130

130

80

100

Max

12

5.25

5.30

+50

+100

—

2.0

—

Unit Test Conditions

mA

VCC = 17.5 V (No load),

with PNP transistor

V

VCC = 6 to 17.5 V, Iout = 0.5 A

V

VCC = 6 to 17.5 V, Iout = 1 A

mV VCC = 6 to 17.5 V, Iout = 1 A

mV Iout = 10 mA to 0.5 A

dB

ei = 0.5 Vrms, fi = 1 kHz

A

RSC = 0.2 Ω

mV/°C

0.8 V

—

V

—

µA

VIL = 0 V

3.0

mA

Vout = 5 V, VIH = 5 V

0.4 V

IOL = 2 mA

5.0 µA

30

µA

200 ms

220 ms

160 ms

200 ms

VOH = 5 V

VOH = 17.5 V

Rf = 300 kΩ, RR = 560 kΩ,

Cf = 0.01 µF, CR = 0.1 µF

5

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