16
FN8126.3
September 23, 2015
Power-Up and Power-Down Timing
NOTE:
6. This parameter is periodically sampled and not 100% tested.
CS/WDI vs. RESET/RESET Timing
V
CC
t
PURST
t
F
t
RPD
RESET (X5043)
0 Volts
V
TRIP
RESET (X5045)
V
TRIP
t
PURST
t
R
RESET Output Timing
SYMBOL PARAMETER MIN TYP MAX UNIT
V
TRIP
Reset Trip Point Voltage, (-4.5A)
Reset Trip Point Voltage, (Blank)
Reset Trip Point Voltage, (-2.7A)
Reset Trip Point Voltage, (-2.7)
4.5
4.25
2.85
2.55
4.62
4.38
2.92
2.62
4.75
4.5
3.0
2.7
V
t
PURST
Power-up Reset Time Out 100 200 400 ms
t
RPD
(6)
V
CC
Detect to Reset/Output 500 ns
t
F
(6)
V
CC
Fall Time 10 µs
t
R
(6)
V
CC
Rise Time 0.1 ns
V
RVALID
Reset Valid V
CC
1V
CS/WDI
t
CST
RESET
RESET
t
WDO
t
RST
t
WDO
t
RST
(5043)
(5045)
RESET/RESET Output Timing
SYMBOL PARAMETER MIN TYP MAX UNIT
t
WDO
Watchdog Time Out Period,
WD1 = 1, WD0 = 1 (default)
WD1 = 1, WD0 = 0
WD1 = 0, WD0 = 1
WD1 = 0, WD0 = 0
100
450
1
OFF
200
600
1.4
300
800
2
ms
ms
sec
t
CST
CS Pulse Width to Reset the Watchdog 400 ns
t
RST
Reset Time Out 100 200 400 ms
X5043, X5045
17
FN8126.3
September 23, 2015
V
TRIP
Programming Timing Diagram
SCK
SI
CS
01h or
V
CC
(V
TRIP
)
WP
t
TSU
t
THD
t
VPH
t
VPS
V
P
V
TRIP
t
RP
t
VPO
t
PCS
02h 06h
03h
V
TRIP
Programming Parameters
PARAMETER DESCRIPTION MIN MAX UNIT
t
VPS
V
TRIP
Program Enable Voltage Setup time 1 µs
t
VPH
V
TRIP
Program Enable Voltage Hold time 1 µs
t
PCS
V
TRIP
Programming CS inactive time 1 µs
t
TSU
V
TRIP
Setup time s
t
THD
V
TRIP
Hold (stable) time 10 ms
t
WC
V
TRIP
Write Cycle Time 10 ms
t
VPO
V
TRIP
Program Enable Voltage Off time (Between successive adjustments) 0 µs
t
RP
V
TRIP
Program Recovery Period (Between successive adjustments) 10 ms
V
P
Programming Voltage 15 18 V
V
TRAN
V
TRIP
Programmed Voltage Range 1.7 4.75 V
V
tv
V
TRIP
Program variation after programming (0-75°C). (Programmed at 25°C.) -25 +25 mV
V
TRIP
programming parameters are periodically sampled and are not 100% tested.
X5043, X5045
18
All Intersil U.S. products are manufactured, assembled and tested utilizing ISO9001 quality systems.
Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality
Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without
notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and
reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result
from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.
For information regarding Intersil Corporation and its products, see www.intersil.com
FN8126.3
September 23, 2015
About Intersil
Intersil Corporation is a leading provider of innovative power management and precision analog solutions. The company's products
address some of the largest markets within the industrial and infrastructure, mobile computing and high-end consumer markets.
For the most updated datasheet, application notes, related documentation and related parts, please see the respective product
information page found at www.intersil.com.
You may report errors or suggestions for improving this datasheet by visiting www.intersil.com/ask.
Reliability reports are also available from our website at www.intersil.com/support.
Revision History
The revision history provided is for informational purposes only and is believed to be accurate, but not warranted. Please go to the web to make
sure that you have the latest revision.
DATE REVISION CHANGE
September 23, 2015 FN8126.3 - Updated Ordering Information Table on page 3.
- Added Revision History.
- Added About Intersil Verbiage.
- Attached current POD.
X5043, X5045

X5043S8IZ-4.5AT1

Mfr. #:
Manufacturer:
Renesas / Intersil
Description:
Supervisory Circuits CPU SUP/WDT 4K SPI EES LO 8LD 5V+/-10%
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union