TB62752AFUG Toshiba, TB62752AFUG Datasheet - Page 8

• Manufacturer Part Number: TB62752AFUG
• Manufacturer: Toshiba

Specifications of TB62752AFUG

• 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) (#): Available

Absolute Maximum Ratings
Operating Condition
Electrical Characteristics
Power supply voltage
Input voltage
Switching terminal voltage
Switching terminal current
Power dissipation
Thermal resistance
Operation temperature range
Storage temperature range
Maximum junction temperature
Note 1: PCB Condition : 76.2×114.3×1.6mm, JEDEC (4 layers)
Note 2: The power dissipation decreases the reciprocal of the saturated thermal resistance (1/ Rth(j-a))
Note 3:
Power supply voltage
LED current
Power supply voltage
Operating consumption current
Quiescent consumption current
Integrated MOS-T
frequency
Switching terminal leak current
FB terminal feedback voltage
FB terminal line regulation
FB terminal current
OVD terminal detect voltage
OVD terminal leakage current
SHDN terminal “H” level input voltage
SHDN terminal “L” level input voltage
SHDN terminal current
Characteristics
Characteristics
Characteristics
r
switching
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 = − 40 to 85°C if without notice)
(Ta = 25°C, VIN = 2.8 to 5.5 V if without notice)
(Ta = 25°C if without notice)
VIN
I_ SHDN
V
I
I
V
I
V
Symbol
R
Symbol
Symbol
I
IN (OFF)
oz
O
IN (ON)
O
V
SHDN
Δ V
SHDN
f
I
T
th (j-a)
T
V
VIN
VIN
VIN
OSC
OVD
P
I
(
OVD
(SW)
T
I
(SW)
FB
SHDN
(SW)
opr
stg
FB
F
D
FB
j
H
L
)
0.47 (on PCB) (Note 1) (Note 2)
Circuit
Circuit
− 0.3 to +VIN + 0.3 (Note 3)
Tes
Tes
10
⎯
⎯
⎯
1
2
3
3
4
5
6
7
7
7
8
9
260 (on PCB) (Note 1)
8
VIN = 3.6 V, RSENS = 15 Ω
7 white LEDs, Ta = 25°C
VIN = 3.6 V, RSENS = 15 Ω
VIN = 3.6 V,
VIN = 3.6 V,
VIN = 3.6 V,
VIN = 3.6 V, RSENS = 15 Ω
Ta = 25°C, L = 22 μ H
VIN = 4.2 V, RSENS = 150 Ω
Ta = 25°C, L = 22 μ H
VIN = 3.6 V (typ.)
VIN = 3.0 to 5.0 V
VIN = 3.6 V,
V
0.41 (device)
V
V
− 0.3 to + 6.0
300 (device)
− 55 to + 150
− 0.3 to + 40
− 40 to + 85
OVD
SHDN
SHDN
Rating
1500
150
= 30 V
= 3.6 V or 0 V
= 3.6 V, V
Test Condition
Test Condition
V
V
⎯
⎯
⎯
⎯
SHDN
SHDN
FB
= 300 mV
= 0 V
= 3.6 V
°C/W
Unit
mA
°C
°C
°C
W
V
V
V
0.77
34.5
285
285
Min
Min
2.8
2.8
1.3
− 5
⎯
⎯
⎯
⎯
⎯
⎯
⎯
0
TB62752AFUG
Typ.
Typ.
0.02
300
300
0.6
0.5
1.0
0.5
0.5
20
37
⎯
⎯
⎯
⎯
⎯
0
2011-06-08
1.43
39.5
Max
Max
VIN
315
315
5.5
5.5
0.9
1.0
0.4
1.0
⎯
⎯
1
5
1
MHz
Unit
Unit
mA
mA
mV
mV
μ A
μ A
μ A
μ A
μ A
%
V
V
V
V
V