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参数资料
| 型号： | B38C44 |
| 英文描述： | BiCMOS Current Mode PWM Controller |
| 中文描述： | 的BiCMOS电流模式PWM控制器 |
| 文件页数： | 2/5页 |
| 文件大小： | 213K |
| 代理商： | B38C44 |
Bay Linear, Inc
2418 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556 www.baylinear.com
B38C4X
Absolute Maximum Rating
Parameter
Symbol
Value
Unit
Supply Voltage
Switch Supply Voltage
Output Current
Zener Current
Current Sense Voltage
Feedback Voltage
Power Dissipation
Storage Temperature Range
Lead Temperature (Soldering 10 Sec.)
Electrical Characteristics
V
DD
= 15V (Note 4), R
T
= 11k, C
T
= 3.3nF, T
A
= -40
°
C to +85
°
C
, unless otherwise specified
Parameter
Symbol
Conditions
V
DD
V
D
I
OUT
V
DD
V
ISENSE
V
FB
P
D
T
T
L
20
20
1A
30
V
V
A
mA
V
V
W
°
C
°
C
-0.3 to 5.5
-0.3 to 5.5
1
-65 to 150
300
MIN
TYP
MAX
UNIT
REFERENCE SECTION
Reference Voltage
V
REF
T
J
= 25
°
C. I
REF
= 1mA
12V
≤
V
DD
≤
18V, I
O
= 5
μ
A
4.90
5.00
5.10
V
Line Regulation
REG
(LINE)
-
2
20
Load Regulation
REG
(LOAD)
1mA
≤
I
REF
≤
20mA
-
1
25
mV
Short Circuit Output Current
I
SC
T= 25
°
C
-30
-80
-180
mA
OSCILLATOR SECTION
Oscillator Frequency
Frequency Change with Voltage
Oscillator Amplitude
ERROR AMPLIFIER SECTION
Input Bias Current
Input Voltage
Open Loop Voltage Gain
Power Supply Rejection Ratio
Output Sink Current
Output Source Current
High Output Voltage
Low Output Voltage
OUTPUT SECTION
f
T= 25
°
C
12V
≤
V
CC
≤
25V
47
-
-
52
0.05
1.6
57
1
2.3
KHz
%
V
P-P
f/
V
CC
V
OSC
I
BIAS
V
I(E>A)
G
VO
PSRR
I
SINK
I
SOURCE
V
OH
V
OL
V
1
=2.5V
2V
≤
V
O
≤
4V
12V
≤
V
CC
≤
25V
V
2
=2.7V, V
1
=1.1V
V
2
=2.3, V
1
=5V
V
2
=2.3, R
L
= 15
to GND
V
2
=2.7, R
L
= 15
to pin 8
-1
2.42
65
60
2
-0.5
5
-
-0.1
2.50
90
70
6
-1.0
6
0.8
1
μ
A
V
dB
dB
mA
mA
V
V
2.58
-
-
-
-
-
1.1
I
SINK
= 20mA
I
SINK
= 200mA
S
ource
= 20mA
S
ource
= 200mA
T
J
= 25
°
C, C
L
=1nF (note3)
T
J
= 25
°
C, C
L
=1nF (note3)
Low Output Voltage
V
OL
-
0.08
1.4
13.5
13.0
40
30
0.4
2.2
-
-
70
50
V
High Output Voltage
V
OH
13
12
-
-
V
Rise Time
Fall Time
Note:
Output Switch tests are performed under pulsed conditions to minimize power dissipation
t
R
t
F
ns
ns
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相关代理商/技术参数 |
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|---|---|
| B38C44M | 制造商:未知厂家 制造商全称:未知厂家 功能描述:BiCMOS Current Mode PWM Controller |
| B38C44P | 制造商:未知厂家 制造商全称:未知厂家 功能描述:BiCMOS Current Mode PWM Controller |
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| B38C45M | 制造商:未知厂家 制造商全称:未知厂家 功能描述:BiCMOS Current Mode PWM Controller |
| B38C45P | 制造商:未知厂家 制造商全称:未知厂家 功能描述:BiCMOS Current Mode PWM Controller |
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