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