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BD9397EFV डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - LED Drivers - ROHM

भाग संख्या BD9397EFV
समारोह LED Drivers
मैन्युफैक्चरर्स ROHM 
लोगो ROHM लोगो 
पूर्व दर्शन
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BD9397EFV pdf
BD9397EFV
Datasheet
Absolute maximum ratings (Ta=25°C)
Parameter
Symbol
Ratings
Unit
Operating Temperature Range
Ta(opr)
-40 to +85
°C
Storage Temperature Range
Tstg
-55 to +150
°C
Power Dissipation
Thermal resistance between junction and case
Pd
θjc
4.7 *1
7 *2
W
°C/W
Maximum Junction Temperature
Tjmax
150 °C
Maximum LED output current
ILED
400 *3 *4
mA
*1 In the case of mounting 4 layer glass epoxy base-plate of 70mm×70mm×1.6mm, 37.6mW is reduced at 1°C above Ta=25.
*2 In the case of mounting 4 layer glass epoxy base-plate of 70mm×70mm×1.6mm.
*3 Wide VF variation of LED increases loss at the driver, which results in rise in package temperature. Therefore, the board needs to be designed
with attention paid to heat radiation.
*4 This current value is per 1ch. It needs be used within a range not exceeding Pd.
Operating Ratings (Ta = 25°C)
Parameter
Symbol
Range
Unit
Power supply voltage
VCC
9 to 35
V
DC/DC oscillation frequency
FCT
100 to 1250 *5
kHz
VREF input voltage
VREF
0.2 to 2.5
V
LSP terminal input voltage
VLSP
0.8 to 3
V
FB terminal output voltage
VFB
0 to 3.3
V
M_DET terminal output voltage
VM_DET
0 to REG9V
V
The operating conditions written above are constants of the IC unit. Be careful enough when setting the constant in the actual set.
External Components Recommended Range
Item
VCC terminal connection capacitance
Soft-start set capacitance
Timer latch set capacitance
Operating frequency set resistance
REG9V terminal connection capacitance
The values described above are constants for a single IC.
Symbol
Setting Range
Unit
CVCC
1.0 to 10
μF
SS
0.001 to 1.0
μF
CP
0.001 to 2.7
μF
RT
12 to 150
k
CREG9V
2.2 to 10
μF
Adequate attention must be paid to setting of a constant for an actual set of parts
Pin Configuration
Physical Dimension Tape and Marking Diagram
1 VCC
2 FAIL
3 REG9V
4 N.C.
5N
6 PGND
7 CS
8 OVP
9 M_DET
10 AGND
11 LED1
12 LED2
13 LED3
14 LED4
15 LED5
16 LED6
17 STB
18 PWM1
19 PWM2
20 PWM3
AGND 40
UVLO 39
FAIL_MODE 38
LPS 37
LED_LV 36
VREF 35
RT 34
FB 33
SS 32
CP 31
S1 30
S2 29
S3 28
S4 27
S5 26
S6 25
FAIL_RST 24
PWM6 23
PWM5 22
PWM4 21
Figure 3.
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
BD9397EFV
Figure 4-1. SOP-24
LOT No.
Figure 4. HTSSOP-B40
2/27
TSZ02201-0F1F0C100330-1-2
9.Jan.2014 Rev.001
http://www.Datasheet4U.com

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