B3842M Bay Linear, Inc., B3842M Datasheet - Page 3

• Manufacturer Part Number: B3842M
• Description: Up to 500KHz current mode PWM controller
• Manufacturer: Bay Linear, Inc.

Electrical Characteristics
(V
Parameter
CURRENT SENSE SECTION
Gain
Maximum input Signal
Power Supply Rejection
Ratio
Input Bias Current
UNDER-VOLTAGE LOCKOUT SECTION
Start Threshold
Min-Operating Voltage
(after Turn On)
PWM SECTION
Max Duty Cycle
Min Duty Cycle
TOTAL STANDBY CURRENT
Start-Up Current
Operating Supply Current
Zener Voltage
Block Diagram
Bay Linear, Inc
CC
= 15V;R
T
= 10Ω, C
2418 Armstrong Street, Livermore, CA 94550 Tel: [phone], Fax: [phone]
T
= 3.3nF, T
V
D(MAX)
Symbol
D (MIN)
V
I
V
PSRR
OPR(MIN)
CC(OPR)
I
I(MAX)
TH(ST)
G
BIAS
I
V
ST
V
Z
A
=0
Conditions
(Note 1 & 2)
V
12V≤V
B3842/B3844
B3843/B3845
B3842/B3844
B3843/B3845
B3842/B3843
B3844/B3845
B3842A/43A/44A/45A
B3842A1/43A1/44A1/45A1
V
I
CC
1
3
=V
= 5V (Note 1)
°C to +70°C
2
=ON
CC
≤25V
, unless otherwise specified)
MIN
2.85
14.5
0.9
7.8
8.5
7.0
95
47
30
-
-
-
TYP
0.45
0.17
8.4
7.6
70
16
10
97
48
14
38
-3
3
1
-
www.baylinear.com
MAX
B384X
3.15
17.5
11.5
100
-10
1.1
8.2
0.3
50
17
9
0
1
-
-
UNIT
V/V
mA
mA
µA
dB
%
%
V
V
V
V