BD6155FVM-TR Rohm Semiconductor, BD6155FVM-TR Datasheet - Page 7

• Manufacturer Part Number: BD6155FVM-TR
• Description: IC LED DRIVER DC/DC CONV 8MSOP
• Manufacturer: Rohm Semiconductor

Specifications of BD6155FVM-TR

• Constant Current: Yes
• Topology: Switched Capacitor (Charge Pump)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 120kHz
• Voltage - Supply: 2.9 V ~ 5.5 V
• Voltage - Output: 5.6V
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP
• Operating Temperature: -25°C ~ 75°C
• Current - Output / Channel: 80mA
• Internal Switch(s): *
• Efficiency: *
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Communication ICs
(7) Operation in the strong electromagnetic field
! ! ! ! Electrical characteristic curves
! ! ! ! External dimensions (Units: mm)
Fig.4 Circuit current-power supply voltage
250
200
150
100
Please be careful that this IC may be miss operated in the strong electromagnetic field.
1.0
0.8
0.6
0.4
0.2
0.0
50
0
0
0
STBY PIN CONTROL VOLTAGE : VSTBY (V)
Fig.7 LEDS output voltage-
SUPPLY VOLTAGE : VBAT (V)
1
1
0.475
STBY terminal voltage
2
2
2.9±0.1
0.65
8
1
MSOP8
5
4
3
3
0.22
0.08 S
+0.05
−0.04
4
4
0.145
0.08
+0.05
−0.03
5
5
M
6
6
100
0.7
0.6
0.5
0.4
0.3
0.2
0.1
80
60
40
20
0
Fig.5 Effenciency-load current (note1)
0
0
0
CHAGE PUMP OUTPUT CURRENT : I
10
LED INPUT CURRENT : ILED (mA)
Fig.8 LED output voltage-
note1 : Charge pump's characteristic
20
50
LED power supply
30
40
100
50
60
RSENSE=0Ω
150
70
O
(mA)
80
200
12
10
250
200
150
100
8
6
4
2
0
50
0
0
0
0.5
Fig.6 Charge pump output-
Fig.9 LEDS output voltage-
SUPPLY VOLTAGE : VBAT (V)
1 1.5
SUPPLY VOLTAGE : VBAT (V)
power supply voltage
power supply voltage
2 2.5 3 3.5 4 4.5
2
BD6155FVM
RSENSE=5.1Ω
4
BSENSE=2.7Ω
BAT
5
7/7
5.5
6