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參數(shù)資料
| 型號： | CS3524A |
| 廠商： | ZF Electronics Corporation |
| 英文描述： | IC AC/DC CONV 12V 300MA SIP12 |
| 中文描述： | 電壓模式PWM控制電路的200mA輸出驅動器 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大?。?/td> | 151K |
| 代理商： | CS3524A |
1
Features
V
IN
SYNC
C
T
COMP
I
SENSE
+
V
OUTA
R
T
V
OUTB
E
B
Gnd
EA-
EA+
I
SENSE
-
SHUTDOWN
E
A
V
REF
-
+
+
COMP
-
EA
CL
5Regulator
Flip
PWM
OSC
SUV
Internal
Circuitry
T
R
S
CLOCK
S
RAMP
V
IN
V
IN
200mV
1k
10k
I
Precision Reference
Internally Trimmed to ±1%
Current Limit
Undervoltage Lockout
Start-up Supply Current
< 4mA
Output to 200mA
60V Output Capability
Wide Common-mode
Input Range for Error and
Current Limit Amplifiers
PWM Latch Insures Single
Pulse per Period
Double Pulse Suppression
200ns Shutdown
Guaranteed Frequency
Thermal Shutdown
I
I
I
I
I
I
I
I
I
I
I
Package Options
16 Lead PDIP & SO Wide
C
Voltage Mode PWM Control Circuit
with 200mA Output Drivers
Description
16
15
14
13
12
11
11
10
9
1
2
3
4
5
6
7
8
EA-
EA
+
SYNC
I
SENSE
+
I
SENSE
-
R
T
C
T
Gnd
V
REF
V
IN
E
B
V
OUTB
V
OUTA
E
A
SHUTDOWN
COMP
CS3524A
Block Diagram
The CS3524A PWM control circuit
retains the same versatile architecture
of the industry standard CS3524
(SG3524) while adding substantial
improvements.
The CS3524 is pin-compatible with
“non-A” versions, and in most applica-
tions can be directly interchanged. The
CS3524A, however, eliminates many of
the design restrictions which had pre-
viously required additional external
circuitry.
The CS3524A includes a precision 5V
reference trimmed to ±1% accuracy
(eliminating the need for potentiometer
adjustments), an error amplifier with
an output voltage swing extending to
5V, and a current sense amplifier use-
ful in either the ground or power sup-
ply output lines. The uncommitted
60V, 200mA NPN output pair greatly
enhances the output drive capability.
The CS3524A features an undervoltage
lockout circuit which disables all inter-
nal circuitry (except the reference) until
the input voltage has risen to 8V. This
holds standby current low until turn-
on, and greatly simplifies the design of
low power, off-line supplies. The turn-
on circuit has approximately 600mV of
hysteresis for jitter free activation.
Other improvements include a PWM
latch that insures freedom from multi-
ple pulsing within a period, even in
noisy environments; logic to eliminate
double pulsing on a single output, a
200ns external shutdown capability,
and automatic thermal protection from
excessive chip temperature. The oscil-
lator circuit is usable to 500kHz and is
easier to synchronize with an external
clock pulse.
A
Company
Rev. 10/28/96
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(shù) |
參數(shù)描述 |
|---|---|
| CS-3524A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| CS3524A/D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage Mode PWM Control Circuit with 200 mA Output Drivers |
| CS3524ADW16 | 制造商:ON Semiconductor 功能描述:Voltage Mode PWM Controller 80V 200mA 16-Pin SOIC W |
| CS-3524ADW16 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Mode SMPS Controller |
| CS3524AGDW16 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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