TB62755FPG Toshiba, TB62755FPG Datasheet - Page 8

• Manufacturer Part Number: TB62755FPG
• Manufacturer: Toshiba

Specifications of TB62755FPG

• Package: SON6
• Supply Voltage: 2.8V to 5.5V
• # Leds Supported: 2 to 8 LEDs in series
• Sw Frequency: 1.0MHz
• Led Current Accuracy: ±5.0% (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)) for each
Note 3: Ensure that the supply voltage never exceeds 6.0 V.
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
degree (1°C) that the ambient temperature is exceeded (Ta = 25°C).
Characteristics
Characteristics
Characteristics
r
switching
(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
V
I
I
V
I
V
I SHDN
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
)
Circuit
Circuit
Test
Test
− 0.3 to +VIN + 0.3 (Note 3)
10
⎯
⎯
⎯
1
2
3
3
4
5
6
7
7
7
8
9
(Exposed Pad mounting)
(Exposed Pad mounting)
2.4 (Note 1)(Note 2)
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
V
V
− 0.3 to + 6.0
− 55 to + 150
− 0.3 to + 40
− 40 to + 85
OVD
52(Note 1)
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
TB62755FPG
Typ.
Typ.
0.02
300
300
0.6
0.5
1.0
0.5
0.5
20
37
⎯
⎯
⎯
⎯
⎯
0
2011-05-25
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