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Bay Linear, Inc 2418 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556
www.baylinear.com
B38C4X
Electrical Characteristics
(VCC = 15V;RT = 10Ω, CT = 3.3nF, TA=0 °C to +70°C, unless otherwise specified)
Parameter
Symbol
Conditions
MIN
TYP
MAX
UNIT
CURRENT SENSE SECTION
Gain
GV
(Note 1 & 2)
2.85
3
3.15
V/V
Maximum input Signal
VI(MAX)
V1 = 5V (Note 1)
0.9
1
1.1
V
Power Supply Rejection
Ratio
PSRR
12V
≤VCC≤25V
70
-
dB
Input Bias Current
IBIAS
-3
-10
µA
UNDER-VOLTAGE LOCKOUT SECTION
B3842/B3844
14.5
16
17.5
Start Threshold
VTH(ST)
B3843/B3845
7.8
8.4
9
V
B3842/B3844
8.5
10
11.5
Min-Operating Voltage
(after Turn On)
VOPR(MIN)
B3843/B3845
7.0
7.6
8.2
V
PWM SECTION
B3842/B3844
Max Duty Cycle
D(MAX)
B3843/B3845
95
47
97
48
100
50
%
Min Duty Cycle
D (MIN)
-
-
0
%
TOTAL STANDBY CURRENT
B3842A/43A/44A/45A
-
100
120
Start-Up Current
IST
B3842B/43B/44B/45B
100
120
µA
Operating Supply Current
ICC(OPR)
V3=V2=ON
-
14
17
mA
Zener Voltage
VZ
ICC
30
38
-
V
Start-Up Current
IST
B3842A/43A/44A/45A
-
0.17
0.3
mA
PACKAGE THERMAL RESISTANCE
8-SOIC
θJA
170
°C/W
8-PDip
θJA
125
°C/W
This is
The base
14 Pin versions
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