TB62736FUG Toshiba, TB62736FUG Datasheet - Page 6

• Manufacturer Part Number: TB62736FUG
• Manufacturer: Toshiba

Specifications of TB62736FUG

• Package: SOT23-6
• Supply Voltage: 2.8 V to 5.5 V
• # Leds Supported: 2 to 6 LEDs in series
• Sw Frequency: 1.1MHz
• Led Current Accuracy: ±5.23% (max)
• Protection Feature: -
• Other Features & Functions: Analog dimming
• 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 3: However, do not exceed 6 V.
Note 4: Power dissipation is reduced by 3.8 mW/°C from the maximum rating for every 1°C exceeding the ambient
Power supply voltage
SHDN pin H level input voltage
SHDN pin L level input voltage
SHDN pin input pulse width
LED current (Average value)
Power supply voltage
Operating consumption current
Standby consumption current
SHDN pin current
Integrated MOS-FET switching
frequency
SHDN pin H level input voltage
SHDN pin L level input voltage
Switching pin protection voltage
Switching pin current
Switching pin leakage current
FB pin feedback voltage
FB pin line regulation
temperature of 25°C (when the IC is mounted on a PCB).
Characteristics
Characteristics
Characteristics
(T
a
(T
V
V
V
V
= 25°C V
I
I
V
V
Symbol
Symbol
SHDN (H)
Symbol
I
SHDN (H)
R
SHDN (L)
IN (OFF)
SHDN (L)
I
OZ (SW)
IN (ON)
I
O (SW)
a
∆V
O (SW)
SHDN
f
O (SW)
T
th (j-a)
T
V
tpw
OSC
V
V
V
V
P
I
T
F1
opr
stg
FB
= 25°C, unless otherwise specified)
IN
IN
IN
in
D
FB
j
(T
IN
a
0.47 (IC mounted on PCB)(Note 4)
= 2.8 to 5.5 V, unless otherwise specified)
V
IN
= −40 to 85°C, unless otherwise specified)
V
V
260 (IC mounted on PCB)
= 3.6 V, V
−0.3 to V
V
V
V
6
IN
IN
IN
IN
IN
V
ON/OFF duty width
= 3.6 V, V
=3.6 V, RSENS = 16 Ω
4LEDs, T
V
= 3.6 V, R
= 3.6 V, V
= 3.6 V, R
IN
Test Conditions
Test Conditions
IN
0.41 (IC only)
300 (IC only)
= 3.0 V to 5.0 V
−0.3 to 6.0
−55 to 150
L = 4.7 μH
−0.3 to 24
= 3.6 V center
−40 to 85
Ratings
IN
SHDN
150
+ 0.3 (Note 3)
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
a
SHDN
SHDN
SENS
SENS
= 25°C
= 3.6 V or 0 V
= 16 Ω
= 16 Ω
= 3.6 V
= 0 V
0.77
308
Min
Min
−10
2.8
2.7
2.8
2.7
33
−5
⎯
⎯
⎯
⎯
⎯
⎯
0
0
°C/W
Unit
°C
°C
°C
W
V
V
V
Typ.
Typ.
400
325
TB62736FUG
0.9
0.5
1.1
0.5
⎯
⎯
⎯
⎯
20
25
⎯
⎯
⎯
⎯
0
2010-06-24
Max
1.43
Max
342
V
V
5.5
0.5
5.5
1.5
1.0
0.5
10
⎯
⎯
⎯
⎯
1
5
IN
IN
MHz
Unit
ｍA
Unit
mA
mA
mV
μA
μA
μA
μs
%
V
V
V
V
V
V
V