파트넘버.co.kr BD9300FV 데이터시트 PDF


BD9300FV 반도체 회로 부품 판매점

1-channel DC/DC converter controller



ROHM Semiconductor 로고
ROHM Semiconductor
BD9300FV 데이터시트, 핀배열, 회로
Regulators
BD9300/F/FV
1-channel DC/DC converter controller
BD9300/F/FV
BD9300/F/FV is an output open collector type of 1-channel DC/DC converter controller. Step-up, step-down and inverting
DC/DC converter can be composed. Input voltage range is wide (3.6V to 35V) and this IC can be used widely for various
applications. Pin layout is nearly the same as BA9700 and it is easy to replace it.
zApplications
TV, power supply for liquid crystal TV, Backlight
DSC, DVC, Printer, DVD, DVD recorder, Other consumer products
zExternal dimensions (Unit : mm)
• BD9300
19.4 ± 0.3
14 8
zFeatures
1) 1-channel PWM control DC/DC converter controller.
2) High voltage input : 3.6 to 35V.
3) Reference voltage accuracy :±1%.
4) Oscillating frequency changeable : 20 to 800kHz.
5) Built-in UVLO (Under voltage lock out) circuit and SCP
(Short circuit protection) circuit.
6) Current at stand-by mode : 0µA (typ.)
7) Switching external synchronization available. (slave operation)
17
7.62
0.3 ± 0.1
2.54 0.5 ± 0.1 0 ~ 15
DIP14
• BD9300F
8.7±0.2
14 8
zAbsolute maximum ratings (Ta = 25°C)
Parameter
Symbol
Supply voltage
VCC
BD9300
Power dissipation BD9300F
Pd
BD9300FV
Operating temperature range
Topr
Storage temperature range
Tstg
1 Derating : 9.5mW/°C for operation above Ta=25°C.
2 Derating : 4.5mW/°C for operation above Ta=25°C.
3 Derating : 4.0mW/°C for operation above Ta=25°C.
Limits
36
950 1
450 2
400 3
40 to +85
55 to +125
Unit
V
mW
°C
°C
zRecommended operating conditions (Ta = 25°C)
Parameter
Symbol Min. Typ. Max.
Supply voltage
VCC 3.6 12 35
17
0.15±0.1
1.27
0.4±0.1
0.1
SOP14
• BD9300FV
5.0 ± 0.2
14 8
17
0.15 ± 0.1
0.1
0.65 0.22 ± 0.1
SSOP-B14
Unit
V
Rev.A
1/2


BD9300FV 데이터시트, 핀배열, 회로
Regulators
zElectrical characteristics (Unless otherwise noted, Ta=25°C, VCC=12V)
Parameter
Reference voltage
Oscillating frequency
UVLO threshold voltage
Saturation voltage (output)
CTL ON threshold voltage
CTL OFF threshould voltage
Standby current
Average current consumption
Symbol
Vref
fosc
VUT
VSAT
VON
VOFF
ISTB
ICC
Min.
2.475
165
2
Typ.
2.500
220
2.8
1.0
0
1.2
Max.
2.525
275
1.4
0.7
10
2.4
Unit Conditions
V Iref=1mA
kHz RT=20k, CT=200pF
V
V Io=30mA
V
V
µA VCTL=0V
mA RT=VREF
BD9300/F/FV
zBlock diagram
NON
14
1/2VREF
13
INV
12
VREF
11
CTL
10
SCP
9
VCC
8
ERR
2.5V
VREF
1.25V
TIMER
LATCH
PWM
OSC
12 34567
DTC
RT
CT
FB
OUT
N.C.
GND
Rev.A
2/2




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BD9300FV controller

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BD9300F

1-channel DC/DC converter controller - ROHM Semiconductor



BD9300FV

1-channel DC/DC converter controller - ROHM Semiconductor



BD9300FV

1-channel DC/DC converter controller - ROHM Semiconductor