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參數資料
| 型號： | CS8151 |
| 廠商： | ZF Electronics Corporation |
| 英文描述： | 5V, 100mA Low Dropout Linear Regulator with WATCHDOG, RESET, & WAKE UP |
| 中文描述： | 5V的，100mA的低壓差線性穩壓器，帶有看門狗，復位， |
| 文件頁數： | 1/8頁 |
| 文件大小： | 196K |
| 代理商： | CS8151 |
5V, 100mA Low Dropout Linear Regulator
with WATCHDOG, RESET, & WAKE UP
Description
The CS8151 is a precision 5V, 100mA
micro-power voltage regulator with
very low quiescent current (400μA
typical at 200μA load). The 5V output
is accurate within ±2% and supplies
100 mA of load current with a typical
dropout voltage of 400mV.
Microprocessor control logic includes
Watchdog, Wake Up and
unique combination of low quiescent
current and full microprocessor con-
trol makes the CS8151 ideal for use in
battery operated, microprocessor con-
trolled equipment.
. This
The CS8151 WAKE UP function brings
the microprocessor out of Sleep mode.
The microprocessor in turn, signals its
WAKE UP status back to the CS8151
by issuing a WATCHDOG signal.
The WATCHDOG logic function mon-
itors an input signal (WDI) from the
microprocessor. The CS8151 responds
to the falling edge of the WATCH-
DOG signal which it expects at least
once during each wake-up period.
When the correct WATCHDOG signal
is received, a falling edge is issued on
the wake-up signal line.
is independent of V
IN
and
operates correctly to an output voltage
as low as 1V. A
in any of three situations. During
power up the
the output voltage is in regulation.
During operation if the output voltage
shifts below the regulation limits, the
toggles low and remains low
until proper output voltage regulation
is restored. And finally, a
is issued if the regulator does not
receive a WATCHDOG signal within
the WAKE UP period.
signal is issued
is held low until
signal
The
signal frequency, and WAKE UP delay
time are all set by one external capaci-
tor C
Delay
.
The regulator is protected against
short circuit, over voltage, and thermal
runaway conditions. The device can
withstand 74 volt load dump tran-
sients, making it suitable for use in
automotive environments.
pulse width, WAKE UP
RESET
RESET
RESET
RESET
RESET
RESET
RESET
1
Features
Error
Amplifier
Thermal
Shutdown
V
IN
Bandgap
Reference
+ -
Current Limit
Sense
Current Source
(Circuit Bias)
RESET
Over
Voltage
Shutdown
Timing
Circuit
WATCHDOG
Circuit
Falling Edge
Detector
Sense
V
OUT
Gnd
Delay
WDI
RESET
Circuit
V
OUT
V
OUT
WAKE UP
WAKE UP
Circuit
internally
connected on
TO-220 and
D
PAK
I
5V ±2% / 100 mA Output
Voltage
Micropower Compatible
Control Functions:
WAKE UP
WATCHDOG
RESET
I
I
Low Dropout Voltage:
400mV @ 100mA
Low Sleep Mode Quiescent
Current (400μA typ)
Protection Features:
Thermal Shutdown
Short Circuit
74V Load Dump
Reverse Transient (-50V)
I
I
Package Options
16 Lead PDIP
16 Lead SOIC Wide*
(Internally Fused)
C
1
N/C
N/C
N/C
N/C
Gnd
Gnd
Gnd
Gnd
Sense
V
OUT
Delay
RESET
WAKE UP
WDI
V
IN
*N/C
* For SO Wide package, pin # 6 is Gnd
CS8151
Block Diagram
7 Lead TO-220
Tab (Gnd)
1
7 Lead D
2
PAK
Tab (Gnd)
1
1. V
OUT
2. V
IN
3. WDI
4. Gnd
5. WAKE UP
6.
7. Delay
RESET
A
Company
¨
Rev. 5/4/99
Cherry Semiconductor Corporation
2000 South County Trail, East Greenwich, RI 02818
Tel: (401)885-3600 Fax: (401)885-5786
Email: info@cherry-semi.com
Web Site: www.cherry-semi.com
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相關代理商/技術參數 |
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| CS-8151 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:5V 100MA Low Dropout Linear Regulator with Watchdog Reset & Wake uP |
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| CS8151/D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:5V， 100mA Low Dropout Linear Regulator with WATCHDOG， RESETbar， & WAKE UP |
| CS8151C | 制造商:CHERRY 制造商全稱:CHERRY 功能描述:5V, 100mA Low Dropout Linear Regulator with Watchdog, RESET, & Wake Up |
| CS8151C/D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:5V， 100mA Low Dropout Linear Regulator with Watchdog， RESETbar， & Wake Up |
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