B3800 Bay Linear, B3800 Datasheet - Page 2

• Manufacturer Part Number: B3800
• Description: Step up Dc-to-dc Converter
• Manufacturer: Bay Linear

PIN Description
Absolute Maximum Rating
Parameter
Supply Voltage
Output source current
Output sink current
Allowable dissipation
Operating temperature
Storage temperature
WARNING: Semiconductor devices can be permanently damaged by application of stress (voltage, current, temperature, etc.) in
excess of absolute maximum ratings. Do not exceed these ratings.
Recommended Operating Condition
Power Supply Voltage
Error amplifier input voltage
BR/CTL pin input voltage
Output source current
Output sink current
SCP pin capacitance
Phase compensation capacitance
Output current setting resistance
Timing resistance
Timing Capacitance
Oscillation frequency
Operation temperature
WARNING: Recommended operating conditions are normal operating ranges for the semiconductor device. All the device’s
electrical characteristics are warranted when operated within these ranges. Always use semiconductor devices within the
recommended operating conditions. Operation outside these ranges may adversely affect reliability and could result in device
failure.
No warranty is made with respect to uses, operating conditions, or combinations not represented on the data sheet. Users
considering application outside the listed conditions are advised to contact Bay Linear.
Bay Linear, Inc
Pin No.
1
2
3
4
5
6
7
8
BR/CTL
Symbol
Parameter
GND
V
OSC
SCP
V
-IN
FB
OUT
CC
2418 Armstrong Street, Livermore, CA 94550 Tel: [phone], Fax: [phone]
I/O
O
O
I
-
-
I
-
-
Error amplifier inverting
Soft start and SCP setting capacitor connection pin
Power supply pin
Output current setting and control pin
Totem-pole type output pin
Ground pin
Capacitor and resistor connection pin setting the oscillation frequency
Error amplifier output pin
SSOP-8, T
SOP-8, T
SOP-8, T
Symbol
Tstg
V
Symbol
T
I
I
O
O
CC
op
a
+
-
a
V
V
f
≤+25°C
a
≤+25°C
C
T
I
I
C
R
R
C
≤+25°C
V
OSC
O
O
CC
BR
OP
PE
B
P
T
T
+
I
-
Min
-.0.2
-0.2
150
100
1.8
-40
1.0
-30
10
-
-
-
Description
-55 to +125
-30 to +85
Value
570
430
580
-50
16
50
Values
Typ.
390
270
500
+30
0.1
0.1
3.0
-
-
-
-
-
Max.
10000
5000
1000
10.0
V
+85
1.0
15
40
-
-
-
CC
www.baylinear.com
Unit
mW
mW
mW
B3800
mA
mA
°C
°C
V
Unit
kHz
mA
mA
kΩ
µF
µF
pF
°C
V
V
V
Ω