TB62756FUG Toshiba, TB62756FUG Datasheet - Page 6

• Manufacturer Part Number: TB62756FUG
• Manufacturer: Toshiba

Specifications of TB62756FUG

• Package: SOT23-6
• Supply Voltage: 2.8V to 5.5V
• # Leds Supported: 2 to 6 LEDs in series
• Sw Frequency: 1.1MHz
• Led Current Accuracy: ±5.23% (max)
• Protection Feature: -
• Other Features & Functions: -
• Rohs Compatible Product(s) (#): -

Absolute Maximum Ratings
Recommended Operating Condition
Electrical Characteristics
Power supply voltage
Input voltage
Switching pin voltage
Power dissipation
Thermal resistance
Operating temperature range
Storage temperature
Maximum junction temperature
Note 1: However, do not exceed 6 V.
Note 2: Power dissipation is reduced by 3.8 mW/°C from the maximum rating for every 1°C exceeding the ambient
Power supply voltage
LED current (Average value)
Operating consumption current
Standby consumption current
Integrated MOS-Tr switching
frequency
Switching pin protection voltage
Switching pin current
Switching pin leakage current
FB pin feedback voltage
FB pin line regulation
SHDN pin input pulse width
SHDN pin H level input voltage
SHDN pin L level input voltage
SHDN pin current
temperature of 25°C (when the IC is mounted on a PCB).
Characteristics
Characteristics
Characteristics
(Ta = 25°C, V
(Ta = 25°C, unless otherwise specified)
V
I
V
I
I
V
V
Symbol
Symbol
Symbol
I
V
R
IN (OFF)
OZ (SW)
OZ (SW)
IN (ON)
I
SHDN
SHDN
SHDN
Δ V
O (SW)
f
O (SW)
T
th (j-a)
T
V
SHDN
tpw
OSC
V
V
P
I
T
F1
opr
stg
FB
IN
IN
D
FB
j
H
L
(Ta = − 40 to 85°C, unless otherwise specified)
“H”, “L” duty width
V
4 white LEDs, Ta = 25°C
V
V
V
V
V
L = 4.7 μ H
V
V
IN
IN
IN
IN
IN
IN
IN
IN
IN
0.47 (IC mounted on PCB) (Note 2)
= 2.8 to 5.5 V, unless otherwise specified)
= 3.6 V, R
= 3.6 V, R
= 3.6 V, V
= 3.6 V, V
= 3.6 V, V
= 3.6 V, R
= 3.6 V center
= 3.0 V to 5.0 V
260 (IC mounted on PCB)
6
− 0.3 to V
Test Conditions
Test Conditions
0.41 (IC only)
300 (IC only)
− 0.3 to 6.0
− 55 to 150
SENS
SENS
SENS
− 0.3 to 24
− 40 to 85
SHDN
SHDN
SHDN
Ratings
150
⎯
⎯
⎯
⎯
⎯
⎯
IN
= 16 Ω
= 16 Ω
= 16 Ω
= 0 V
= 3.6 V or 0 V
= 3.6 V
+ 0.3
(Note 1)
°C/W
0.77
Unit
308
Min
Min
− 10
2.8
1.3
°C
°C
°C
33
− 5
⎯
⎯
⎯
⎯
⎯
⎯
W
V
V
V
0
Typ.
Typ.
400
325
TB62756FUG
0.9
0.5
1.1
0.5
⎯
⎯
20
25
⎯
⎯
⎯
0
2010-06-27
1.43
Max
Max
342
V
5.5
1.5
1.0
0.4
10
⎯
⎯
⎯
⎯
1
5
IN
MHz
Unit
Unit
mA
mA
mA
mV
μ A
μ A
μ A
μ s
%
V
V
V
V