BP5845W Datasheet, PDF (1/3 Pages) Rohm – High-power LED Drivers for Illumination

High-power LED Drivers for Illumination
AC100V input, constant current
BP5845W
Absolute Maximum Ratings
Parameter
Input voltage
Output voltage (limits)
Output voltage (no loal)
Output current
Output control terminal voltage
Symbol
Vi
Vo
Vo
Io
VCTL
Limits
170
36
39
378
12.5
Withstand voltage BV
1.8
Maximum surface temperature
Operating temperature range
Storage temperature range
Tcmax
Topr
Tstg
105
−20 to +80
−25 to +85
Units
V
V
V
mA
V
kV
°C
°C
°C
Remarks
DC
Io=360mA
Io=0mA
1sec (between primary and secondary)
While pin 1 and 8 are shorted and pins 9-16
a shorted, a voltage is applied between them.
Ambient temperature + the module self-heating Tcmax
Refer to derating curve
Dimensions (Unit : mm)
46.0MAX
1
18.3MAX 4.0±1.0
16
13
10
8
9
5.0
3.0
0.25±0.05
45.75TYP.
Electrical Characteristics
Parameter Symbol _Min.
Input voltage range Vi 113
Output current Io1 342
Output voltage range Vo 15.0
Output ripple voltage Vp -
Conversion efficiency η 83
Spec
Typ.
141
360
-
0.1
88
Max.
170
378
36
0.5
-
Units
measurement
circuit
Remarks
V
-
mA Figure 1 Vi=141V,R1=0.78Ω
V Figure 1 Vi=141V,Io=360mA
Vp-p Figure 1 Vi=141V,Io=360mA
% Figure 1 Vi=141V,Vo=36V,Io=360mA
NOTE 1 Maximum output current varies depending on ambient temperature. Refer to the derating curve.
NOTE 2 Spike noise is not included in output ripple voltage.
Application Circuit Example 1
Use a fuse for safety
AC100V ZNR1 C3
D1
LF1
C4
BP5845W
1 8 9 10 13 16
F1
R1
+
+
C1
C2
Pin No.
Terminal name
1 Input terminal (+)
2-7 Skip
8 Input terminal (−)
9 Output capacitor connection terminal (−)
10 LED connection terminal (cathode)
11-12 Skip
13 VCTL terminal
14-15 Skip
16 LED connection terminal (anode)
C5
External components setting
Symbol
Application
Characteristics
Recommended parts
C1 Input capacitor
22µF / 250V General purpose
Manufactured by RUBYCON 250YXA22M
C2 Output capacitor
100µF / 50V Low Impedance Iteam
Manufactured by NICHIKON UHD1H101M
R1 Output current setting resistor 0.78Ω 1/4W (Io=360mA)
Manufactured by ROHM MCR10EZHFLR820, MCR03EZHF15R0 A parallel connection
C3,C4 Noise reducsion capacitor It should be installed when required. above 125V 0.1 to 0.22µF Manufactured by MATUSHITA ECQE1A224KF
C5 Noise reducsion capacitor 2200pF (Products with basic isolation certification) Manufactured by TDK CS11-E2GA222MYNS
D1 Diodebridge
400V/1A
Manufactured by SHINDENGEN D1UBA80
F1 Fuse
125V/1A
LF1 Line filter
10mH
ZNR1 Varistor
Use a varistor. Be sure to use it to protect this product from thunder surge and the static electricity.
Application Circuit Example 2
VoH 20V PWM style light is made by using the 13pin.
VF X n 20V
AC100V ZNR1 C3
D1
LF1
C4
BP5845W
1 8 9 10 13 16
F1
R1
+
+
C1
C2
C5
Series Regulator (5V)
IN OUT
COM
Micro
computer
Use condition NO
Parameter
Symbol
Min.
(Ta=25°C)
1 LED OFF Voltage
VoL
12.7
2 CTL Terminal H Revel VCTL(H)
3
3 CTL Terminal L Revel VCTL(L)
0
Spec
Typ.
13.4
5
-
Max.
14.1
10
0.5 or OPEN
Units
V
V
V
measurement
circuit
Remarks
Figure 1 VoH 20V
- Output OFF (VoL)
- Output ON (VoH 20V)
Application Circuit Example 3
VoH 20V PWM style light is made by using the 13pin.
VF X n 20V
AC100V ZNR1 C3
D1
LF1
C4
BP5845W
1 8 9 10 13 16
F1
R1
+
+
C1
C2
C5
Series Regulator (5V)
IN OUT
COM
Micro
computer
10kΩ
Derating Curve
Derating Curve
16
14
12
10
8
Operation Range
6
4
2
0
-30 -20 -10 0 10 20 30 40 50 60 70 80 90
Ambient Temperature Ta(°C)
Output Characteristics
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
10
Output Characteristics
R1=0.78Ω
Operation Range
R1=1.8Ω
R1=5.1Ω
15 20 25 30 35 40
Output Voltage (V)
Setting current
Output Current - Setting Resistor Characteristics
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0
Setting Resistor (A)
Setting resistor how to calculate R1
R1=0.1374/(0.91 x lo-0.151)
lo : Output current
NOTE) A maximum output current is set to 360mA.
Operations beyond this limit are prohibited.
Use condition _NO
Parameter
Symbol
Min.
(Ta=25°C) _{1 LED OFF Voltage}
VoL
12.7
2 PWM Signal H Revel VCTL(H)
3
3 PWM Signal L Revel VCTL(L)
0
4 PWM Signal cycle
fosc
1
Spec
Typ.
13.4
5
-
10
Max.
14.1
10
0.5
20
Units
measurement
circuit
Remarks
V Figure 1 VoH 20V
V
-
V
-
kHz
- Note 3
NOTE 3 Frequency is to be decided after you confirm it with the actual opportunity.