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B3800M Scheda tecnica(PDF) 3 Page - List of Unclassifed Manufacturers

Il numero della parte B3800M
Spiegazioni elettronici  Switching Regulator Controller Step Up Low Voltage (BIPOLAR)
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Produttore elettronici  ETC1 [List of Unclassifed Manufacturers]
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B3800M Scheda tecnica(HTML) 3 Page - List of Unclassifed Manufacturers

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Bay Linear, Inc 2418 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556
www.baylinear.com
B3800
Electrical Characteristics
Value
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Reset Voltage
VR
-
-
0.9
V
Circuit to Prevent
Malfunction at low input
voltage (U.V.L.O.)
Threshold voltage
VTH
1.1
1.3
1.5
V
Changing current
ICS
-
-1.5
-1.0
-0.7
µA
Soft Start
Voltage at soft start
completion
VTS
VSCP=0V
0.7
0.8
0.9
V
Charging current
Icpc
VSCP=0V
-1.5
-1.0
-0.7
µA
Short Circuit detection
(OSC)
Threshold voltage
VPC
-
0.7
0.8
0.9
V
Oscillation freq.
focs
RT=3.0kΩ, CT=270pF
400
500
600
kH
z
Frequency input
stability
fdv
VCC=2V to 15V
-
2
10
%
Sawtooth wave oscillator
(OSC)
Frequency variation
with temperature
fdt
Ta=-30°C to +85°C
-
5
-
%
Input threshold
voltage
VT
VFB=450mV
480
500
520
mV
VTinput stability
VTdv
VCC= 2V to 15V
-
5
20
mV
VT variation with
temperature
VTDT
Ta= -30°C to +85°C
-
1
-
%
Input bias current
IB
VIN=0V
-1.0
-0.2
1.0
µA
Voltage gain
AV
-
70
100
145
V/
V
Frequency bandwidth
BW
AV=0dB
-
6
-
M
Hz
Maximum output
voltage range
VOM
+
VOM
-
-
0.78
-
0.87
0.05
-
0.2
V
Output source current
IOM
+
-
-40
-24
µA
Error amplifier
Output sink current
IOM
_
VFB=0.45V
24
40
-
µA
Idle period adjustable
section
Maximum duty cycle
tDUTY
RT=3.0kΩ, CT=270pF
VFB=0.8V
65
75
85
%
VOH1
RB=390Ω, IO= -15mA
1.0
1.2
-
V
VOH2
RB=750Ω, IO= -10mA,
VCC=1.8V
0.8
1.0
-
V
VOL1
RB=390Ω, IO=15mA
-
0.1
0.2
V
Output voltage
VOL2
RB=750Ω, IO=10mA,
VCC=1.8V
-
0.1
0.2
V
Output source current
IO
+
RB=390Ω, VCC=0.9V
-
-30
-20
mA
Output sink current
IO
-
RB=390Ω, VCC=0.3V
30
60
-
mA
Output section
Pull down resistance
RO
-
20
30
40
k
Pin Voltage
VBR
RB=390Ω,
0.2
0.3
0.4
V
Input off condition
IOFF
-20
-
0
µA
Input on condition
ION
-
-
-45
µA
Output current setting
section/ Control section
Pin current range
IBR
-
-1.8
-
-0.1
mA
Stand-by current
ICCB
BR/CTL pin open or
Vcc
-
-
1
mA
Entire device
Average supply
current
ICC
RB=390Ω,
-
5.5
9.3
mA


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