TB62737FUG Toshiba, TB62737FUG Datasheet - Page 12

• Manufacturer Part Number: TB62737FUG
• Manufacturer: Toshiba

Specifications of TB62737FUG

• 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: Analog dimming
• 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:
Note 2:
Note 3:
Power supply voltage
LED current (average value)
Power supply voltage
Operating consumption current
Quiescent consumption current
Integrated MOS-Tr switching
frequency
Switching terminal protection voltage
Switching terminal current
Switching terminal leakage current
FB terminal feedback voltage (VFB)
FB terminal line regulation (VFB)
OVD terminal voltage
OVD terminal leakage current
SHDN terminal “H” level input voltage
SHDN terminal “L” level input voltage
SHDN terminal input pulse width
SHDN terminal “H” level input voltage
SHDN terminal “L” level input voltage
Characteristics
Characteristics
Characteristics
PCB Condition : 76.4×114.3×1.6mm, JEDEC (4 layers)
The power dissipation decreases the reciprocal of the saturated thermal resistance (1/ Rth(j-a))
Ensure that the supply voltage never exceeds 6.0 V.
for each degree (1°C) that the ambient temperature is exceeded (Ta = 25°C).
(Ta = 25°C, V
V
(Ta = 25°C)
V
V
I
I
I
I
Symbol
oz
oz
IN
IN
V
V
V
V
SHDN
Δ V
SHDN
o
f
I
Symbol
Symbol
V
R
V
V
OSC
OVD
SHDN
OVD
o
SHDN
(SW)
(SW)
(SW)
T
(On)
th (j-a)
T
(Off)
FB
SHDN
tpw
V
V
IN
P
I
FB
(SW)
T
F1
opr
stg
IN
IN
D
j
H
L
H
L
Circuit
(Ta = − 40°C to 85°C if without notice)
Test
Both “H” and “L” pulse
V
4 White LEDs, T
IN
1
2
3
3
6
4
5
6
6
7
8
-
-
IN
0.47 (on PCB) (Note1) (Note2)
= 2.8 to 5.5V if without notice)
−0.3 to +V
= 3.6 V, R
260 (on PCB) (Note1)
12
V
V
V
V
IN
0.41 (device)
300 (device)
IN
−0.3 to +6.0
−55 to + 150
IN
IN
T
−0.3 to 24
−40 to + 85
Test Condition
= 3.6 V,
opr
= 3.6 V,
Rating
SENS
IN
= 3.6 V, RSENS = 16 Ω
= 3.6 V, RSENS = 16 Ω
V
V
150
opr
IN
Test Condition
+ 0.3 (Note 3)
IN
= 25°C, L = 6.8 μ H
V
⎯
⎯
⎯
OVD
= 3.0 to 5.0 V
= 3.6 V (typ.)
= 16 Ω
= 25°C
V
⎯
⎯
⎯
⎯
⎯
⎯
⎯
V
SHDN
= 16 V
SHDN
= 3.6 V
= 0 V
°C/W
Unit
°C
°C
°C
W
V
V
V
0.77
308
Min
Min
2.8
2.7
2.8
2.7
33
− 5
19
⎯
⎯
⎯
⎯
⎯
⎯
⎯
0
0
Typ.
Typ.
400
325
TB62737FUG
0.9
0.5
1.1
0.5
0.5
⎯
⎯
⎯
⎯
20
25
22
⎯
⎯
⎯
⎯
2010-07-01
Max
1.43
23.5
Max
342
V
V
5.5
0.5
5.5
1.5
1.0
0.5
⎯
⎯
⎯
⎯
1
5
1
IN
IN
MHz
Unit
Unit
mA
mA
mA
mV
μ A
μ A
μ A
μ s
%
V
V
V
V
V
V
V
V