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BD7682FJ-LB डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Low Noise Quasi-Resonant Control DC/DC converter IC - Rohm

भाग संख्या BD7682FJ-LB
समारोह Low Noise Quasi-Resonant Control DC/DC converter IC
मैन्युफैक्चरर्स Rohm 
लोगो Rohm लोगो 
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<?=BD7682FJ-LB?> डेटा पत्रक पीडीएफ

BD7682FJ-LB pdf
BD768xFJ-LB Series
Pin Descriptions
No. Pin Name
1 ZT
2 FB
3 CS
4 GND
5 OUT
6 MASK
7 VCC
8 BO
I/O Function
I Zero Current Detect pin
I Feedback signal input pin
I Current Sense pin
I/O GND pin
O MOSFET drive pin
O External TR drive
I Power Supply pin
O Brown IN/OUT monitor pin
ESD Diode
VCC GND
-
✓✓
✓✓
-
✓✓
-
-
-
Block Diagram
FUSE
Filter
Diode
Bridge
RH
RL
Rstart
Cvcc
VH
Va
Rzt1
Czt
Rzt2
8
BO
15uA
+
-
BO
Comp.
7 VCC
VCC UVLO
+
-
NOUT
1.0V
+
- ZT ACSNS Comp.
+
- ZT OVP Comp.
(LATCH)
18.5V/14.0V
+
-
VCC OVP
29.5V/23.0V
ZT 1
+
-
7V
100mV
/200mV
ZT
Comp.
1 shot
AND
ZT Blanking
OUT(H->L)
0.60us
NOUT
TimeOut
( 15 usec )
OR
AND
FB
2
VREF(4V)
20k
1.25V
MAX
+ Blanking
+ Frequency
- (120kHz)
Burst
Comp.
+
-
OR
4.0V
Regulator Internal
Supply
18.0V
Clamper
OSC OSC
SQ
FBOLP_OH AND
R
POUT
PRE
Driver
NOUT
Cfb 0.50V
OLP
+
Timer FBOLP_OH
- (128ms)
0.6μs
Delay
NOR
5 OUT
6 MASK
200kΩ
200kΩ
DCDC
FB/2
Comp.
-
1.00V -
+
Soft Start
SS1ms
SS4ms
CURRENT SENSE (V-V Change)
Normal : ×1.0
Leading Edge
Blanking
3 CS
4 GND
RS
VOUT
ERROR
AMP
PC
www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
2/27
TSZ02201-0F1F0A200050-1-2
29.Nov.2018. Rev.003

विन्यास 30 पेज
डाउनलोड[ BD7682FJ-LB Datasheet.PDF ]


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BD7682FJ-LBLow Noise Quasi-Resonant Control DC/DC converter ICRohm
Rohm


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