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| 型號(hào)： | AZ494CP-E1 |
| 廠商： | BCD SEMICONDUCTOR MANUFACTURING LTD |
| 元件分類(lèi)： | 穩(wěn)壓器 |
| 英文描述： | PULSE-WIDTH-MODULATION CONTROL CIRCUITS |
| 中文描述： | 0.25 A SWITCHING CONTROLLER, 200 kHz SWITCHING FREQ-MAX, DIP16 |
| 封裝： | ROHS COMPLIANT, DIP-16 |
| 文件頁(yè)數(shù)： | 6/13頁(yè) |
| 文件大?。?/td> | 197K |
| 代理商： | AZ494CP-E1 |
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PULSE-WIDTH-MODULATION CONTROL CIRCUITS AZ494A/C
Data Sheet
6
Apr. 2006 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
Parameter
Symbol
Conditions
Min Typ
Max
Unit
PWM Comparator Section
Input Threshold Voltage
V
ITH
Zero duty cycle
4
4.5
V
Input Sink Current
I
SINK
V3 = 0.7V
-0.3 -0.7
mA
Output Section
Output Saturation Voltage
Common
Emitter
V
CE
(SAT)
V
E
= 0V, I
C
=200mA
1.1
1.3
V
Emitter
Follower
V
CC
(SAT)
V
CC
= 15V,
I
E
= -200mA
1.5
2.5
Collector Off-State Current
I
C
(OFF)
V
CE
= 36V, V
CC
=36V
2
100
μ
A
Emitter Off-State Current
I
E
(OFF)
V
CC
= V
C
= 36V, V
E
= 0
-100
μ
A
Total Device
Supply Current
I
CC
Pin 6 = V
REF
, V
CC
=15V
6
10
mA
Output Switching Characteristics
Rise Time
t
R
Common Emitter
Common Collector
100
200
ns
Fall Time
t
F
Common Emitter
Common Collector
25
100
ns
Electrical Characteristics (Continued)
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