B3842M Bay Linear, Inc., B3842M Datasheet - Page 2
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B3842M
Manufacturer Part Number
B3842M
Description
Up to 500KHz current mode PWM controller
Manufacturer
Bay Linear, Inc.
Datasheet
1.B3842M.pdf
(10 pages)
Absolute Maximum Rating
Parameter
Supply Voltage
Output Current
Analog Input (pin 2,3)
Error Amp Output Sink Current
Power Dissipation
Storage Temperature Range
Lead Temperature (Soldering 10 Sec.)
Electrical Characteristics
(V
Parameter
REFERENCE SECTION
Reference Voltage
Line Regulation
Load Regulation
Short Circuit Output
Current
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
Low Output Voltage
High Output Voltage
Rise Time
Fall Time
Note: Output Switch tests are performed under pulsed conditions to minimize power dissipation
Bay Linear, Inc
CC
= 15V;R
T
= 10Ω, C
2418 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556
T
= 3.3nF, T
Symbol
REG
∆f/∆V
I
V
PSRR
(LOAD)
SOURCE
V
V
REG
I
I
G
V
V
V
V
I
BIAS
I(E>A)
SINK
t
OSC
t
REF
SC
f
VO
OH
OL
OL
OH
R
F
(line)
CC
A
=0
Conditions
T
12V≤V
1mA≤I
T= 25 °C
T= 25 °C
T= 25 °C
12V≤V
V
2V≤V
12V≤V
V
V
V
V
I
I
S
S
T
T
SINK
SINK
ource
ource
J
J
J
1
2
2
2
2
= 25 °C. I
=2.3, V
=2.3, R
=2.7, R
= 25 °C, C
= 25 °C, C
=2.5V
=2.7V, V
°C to +70°C
= 20mA
= 200mA
= 20mA
= 200mA
O
REF
≤4V
CC
CC
CC
≤25V
≤25V
≤25V
L
L
≤20mA
1
=5V
= 15Ω to GND
= 15Ω to pin 8
1
REF
L
L
=1.1V
=1nF (note3)
=1nF (note3)
= 1mA
, unless otherwise specified)
Symbol
I
SINK (E.A)
V
V
(ANA)
P
T
I
T
CC
O
D
L
-0.3 to 6.3
-65 to 150
Value
260
30
±1
10
1
MIN
4.90
2.42
-0.6
47
65
60
13
12
2
5
-
-
-
-
-
-
-
-
-
-
TYP
5.00
-100
0.05
2.50
0.08
13.5
13.0
-0.1
-1.0
1.6
0.8
1.4
52
90
70
45
35
6
6
7
6
www.baylinear.com
MAX
-180
B384X
5.10
2.58
150
150
Unit
1.1
0.4
2.2
20
25
57
mA
-2
1
°C
°C
-
W
-
-
-
-
-
-
-
V
A
V
UNIT
KHz
V
mA
mA
mA
mA
µA
dB
dB
%
ns
ns
V
V
V
V
V
V
P-P