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參數(shù)資料
| 型號： | CS5661EDWR16 |
| 廠商： | ZF Electronics Corporation |
| 英文描述： | High Performance Dual Channel Current Mode Controller with ENABLE |
| 中文描述： | 高性能雙通道電流模式控制器，用ENABLE |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 167K |
| 代理商： | CS5661EDWR16 |
1
Features
+
-
+
-
V
REF
SYNC
Oscillator
Error
Amp 1
Error
Amp 2
Latching
PWM 2
Latching
PWM 1
V
Undervoltage
Lockout
5.0V Ref
V
Undervoltage
Lockout
V
CC
V
FB1
COMP
1
ENABLE
2
V
FB2
COMP
2
C
T
R
T
Gnd
Pwr Gnd
Sense
2
V
OUT2
Sense
1
V
OUT1
I
Oscillator has Precise
Duty Cycle
Limit and Frequency
Control
500kHz Current Mode
Operation
Automatic Feed Forward
Compensation
Separate Latching PWMs
for Cycle-By-Cycle
Current Limiting
Internally Trimmed
Reference with
Undervoltage Lockout
Switchable Second
Output
Two High Current Totem
Pole Outputs
Input Undervoltage
Lockout with Hysteresis
8.4V Start Up Voltage
Threshold
I
I
I
I
I
I
I
I
Package Options
16 Lead SO Wide
C
High Performance Dual Channel
Current Mode Controller with ENABLE
Description
1
SYNC
2
3
4
5
6
7
8
C
T
R
T
V
FB1
COMP
1
SENSE
1
V
OUT1
Gnd
16
15
14
13
12
11
10
9
V
CC
V
REF
ENABLE
2
V
FB2
COMP
2
SENSE
2
V
OUT2
Pwr Gnd
CS5661
The CS5661 is a high performance,
fixed frequency, dual current mode
controller specifically designed for
Off-Line and DC to DC converter
applications. It offers the designer a
cost effective solution with minimal
external components. This integrat-
ed circuit features a unique oscilla-
tor for precise duty cycle limit and
frequency control, a temperature
compensated reference, two high
gain error amplifiers, two current
sensing comparators, and two high
current totem pole outputs ideally
suited for driving power MOSFETs.
V
OUT2
output is switchable via the
ENABLE
2
pin.
Also included are protective fea-
tures consisting of input and refer-
ence undervoltage lockouts, each
with hysteresis, cycle-by-cycle cur-
rent limiting, and a latch for single
pulse metering of each output.
The CS5661 is pin compatible with
the MC34065L.
Block Diagram
Rev. 2/2/99
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
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