TB62752BFUG(O,EL) Toshiba, TB62752BFUG(O,EL) Datasheet - Page 7

• Manufacturer Part Number: TB62752BFUG(O,EL)
• Description: IC LED DRIVR WHITE BCKLGT 6-SSOP
• Manufacturer: Toshiba
• Type: Backlight, White LEDr

Specifications of TB62752BFUG(O,EL)

• Constant Current: Yes
• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 770kHz ~ 1.43MHz
• Voltage - Supply: 2.8 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: SC-74-6
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 20mA
• Internal Switch(s): Yes
• Efficiency: 80%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: TB62752BFUGTR

(2)
(3)
Input analog voltage to FB terminal
[Notice]
<<Recommended application>>
Input PWM signal with filtering to FB terminal
[Notice]
<<Recommended application>>
I
This method is without repeating IC ON/OFF, and no need to consider holding rash current.
I
PWM signal can be regard as analog voltage after filtering.
This method is without repeating IC ON/OFF, and no need to consider holding rash current.
F
F
•
•
can be adjusted with analog voltage input to FB terminal.
can be adjusted with filtering PWM signal using RC filter indicated in recommended circuit, because the
LED current value goes over 100% of the current set with RSENS, if the input analog voltage is
between 0 V to 300 mV (typ.).
LED current value goes over 100% of the current set with RSENS, if the input voltage after filtering is
between 0 V to 300 mV (typ.).
2.8 to 5.5 V
VIN =
2.8 to 5.5 V
VIN =
VIN
SHDN
22 µ H
GND
SHDN
VIN
OVD
PWM signal
22 µ H
SW
7
GND
FB
S-Di
OVD
SW
10 k Ω
FB
82 k Ω
Analog voltage
S-Di
82 k Ω
16 k Ω
16 k Ω
0.1 µ F
TB62752BFUG
2007-04-04