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參數(shù)資料
| 型號： | CS4124YN16 |
| 廠商： | ZF Electronics Corporation |
| 英文描述： | CAT 7 PLENUM BLUE BULK CABLE |
| 中文描述： | 場效應管高邊PWM控制器 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大?。?/td> | 149K |
| 代理商： | CS4124YN16 |
Features
I
150mA Peak PWM Gate
Drive Output
I
Patented Voltage
Compensation Circuit
I
100% Duty Cycle
Capability
I
5V, ± 3% Linear Regulator
I
Low Current Sleep Mode
I
Overvoltage Protection
I
Boost Mode Power
Supply
I
Output Inhibit
Package Option
C
High Side PWM FET Controller
CS4124
Description
Applications Diagram
Preliminary
1
OUTPUT
BOOST
Gnd
INH
I
ADJ
I
SENSE+
I
SENSE-
PMP
SNI
V
REG
FLT
R
OSC
C
OSC
CTL
PGnd
V
CC
16 Lead PDIP
1195
Consult Factory for 16 Lead SOIC
Wide package.
Rev. 4/26/99
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
A
Company
The CS4124 is a monolithic integrat-
ed circuit designed primarily to
control the rotor speed of perma-
nent magnet, direct current (DC)
brush motors. It drives the gate of
an N channel power MOSFET or
IGBT with a user-adjustable, fixed
frequency, variable duty cycle,
pulse width modulated (PWM) sig-
nal. The CS4124 can also be used to
control other loads such as incan-
descent bulbs and solenoids.
Inductive current from the motor or
solenoid is recirculated through an
external diode.
The CS4124 accepts a DC level
input signal of 0 to 5V to control the
pulse width of the output signal.
This signal can be generated by a
potentiometer referenced to the on-
chip 5V linear regulator, or a fil-
tered 0% to 100% PWM signal also
referenced to the 5V regulator.
The IC is placed in a sleep state by
pulling the CTL lead below 0.5V. In
this mode everything on the chip is
shutdown except for the on-chip
regulator and the overall current
draw is less than 275μA. There are a
number of on-chip diagnostics that
look for potential failure modes and
can disable the external power
MOSFET.
V
BAT
42.5
μ
H
1000
μ
F
1000
μ
F
10K
10nF
100
μ
F
.01
μ
F
C
FLT
R
OSC
.25
μ
F
C
OSC
470pF
93.1K
OUTPUT INH
I
ADJ
FLT
R
OSC
PMP
SNI
V
REG
C
OSC
CTL
PGnd
V
CC
P1
N1
10
μ
F
10K
100K
10K
10K
10K
R
CS1
51
R
CS2
51
C
CS
.022
μ
F
10K
10K
Input
470
μ
H
MOT+
R
GATE
6
R
SENSE
4m
R
SNI
4
1.5
μ
F
1
μ
F
1M
I
SENSE+
I
SENSE-
MOT-
R
S
10
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