TB62757FUG Toshiba, TB62757FUG Datasheet - Page 12

• Manufacturer Part Number: TB62757FUG
• Manufacturer: Toshiba

Specifications of TB62757FUG

• 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: Output overvoltage protection
• Other Features & Functions: -
• Rohs Compatible Product(s) (#): -

Absolute Maximum Ratings
Recommended Operating Condition
Electrical Characteristics
Power supply voltage
Input voltage
Switching terminal voltage
Power dissipation
Thermal resistance
Operation temperature range
Storage temperature range
Maximum junction temperature
Note 1: However, do not exceed 6 V.
Note 2: Power dissipation must be calculated with subtraction of 3.8 mW/°C from Maximum Rating with every 1°C if
Power supply voltage
LED current (average value)
Input voltage range
Operating consumption current
Quiescent consumption current
voltage
voltage
Integrated MOS-Tr switching
frequency
Sw terminal protection voltage
Switching terminal current
Switching terminal leakage current
FB terminal feedback voltage (VFB)
FB terminal line regulation
OVD terminal voltage
OVD terminal leakage current
SHDN terminal input pulse width
SHDN terminal “H” level input
SHDN terminal “L” level input
SHDN terminal current
T
Characteristics
Characteristics
Characteristics
opr
is upper 25°C. (on PCB)
(Ta = 25°C, V
(Ta = 25 ° C if without notice)
V
V
V
V
I
I
I
I
Symbol
Symbol
Symbol
V
R
oz
oz
IN
IN
I
I
V
SHDN
o
SHDN
SHDN
o
Δ V
f
OVDZ
T
th (j-a)
T
V
SHDN
tpw
OSC
V
V
V
P
I
OVD
(SW)
T
F1
(SW)
(SW)
(SW)
opr
stg
(On)
(Off)
FB
IN
IN
IN
D
FB
j
H
L
(Ta = − 40°C to 85°C if without notice)
“H”, “L” duty width
V
4 white LEDs, Ta = 25°C
V
V
V
V
V
V
V
V
IN
IN
IN
IN
IN
IN
IN
IN
IN
OVD
= 2.8 to 5.5 V, if without notice)
= 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 to 5.0 V
= 16 V
12
−0.3 to + V
0.47 (on PCB)
260 (on PCB)
0.41 (Device)
Test Condition
Test Condition
300 (Device)
−0.3 to +6.0
−55 to +150
−40 to +85
SENS
SENS
SHDN
SHDN
SHDN
SENS
−0.3 to 24
Rating
150
⎯
⎯
⎯
⎯
⎯
⎯
= 16 Ω
= 16 Ω
= 16 Ω , L = 6.8 μ H
IN
= 0 V
= 3.6 V or 0 V
= 3.6 V
+ 0.3 (Note 1)
(Note 2)
°C/W
0.77
Unit
308
Min
Min
− 10
2.8
2.8
1.3
°C
°C
°C
33
− 5
19
⎯
⎯
⎯
⎯
⎯
⎯
⎯
W
V
V
V
0
Typ.
Typ.
400
325
TB62757FUG
0.9
0.5
1.1
0.5
0.5
20
25
22
⎯
⎯
⎯
⎯
⎯
⎯
0
2010-06-306
1.43
23.5
Max
Max
342
V
5.5
5.5
1.5
1.0
0.4
10
⎯
⎯
⎯
⎯
1
5
1
IN
MHz
Unit
Unit
mA
mA
mA
mV
μA
μ A
μ A
μ A
μs
%
V
V
V
V
V
V