TB62732FUG Datasheet, PDF (3/18 Pages) Toshiba Semiconductor – Step-up DC/DC Converter for White LED Driver

Absolute Maximum Ratings
TB62732FUG
Characteristics
Symbol
Rating
Unit
Supply voltage
Input voltage
Switching pin current
Switching pin voltage
Power dissipation
Saturation thermal resistance
Operating temperature range
Storage temperature range
Maximum junction temperature
V_CC
V_IN
I_o (A)
V_o (A)
P_D
R_{th (j-a)}
T_opr
T_stg
T_j
−0.3 to +6.0
−0.3 to +V_CC + 0.3
380
−0.3 to 17
0.41 (IC only)
0.47 (IC mounted on PCB)
(Note 3)
300 (IC only)
260 (IC mounted on PCB)
−40 to +85
−40 to +150
125
V
V
mA
V
W
°C/W
°C
°C
°C
Note 3: The power dissipation is derated by 3.8 mW/°C from the absolute maximum rating for every 1°C exceeding
the ambient temperature of 25°C (when the IC is mounted on a PCB).
Recommended Operating Conditions
(unless otherwise specified, Ta = 25°C and V_CC = 3.6 V)
Characteristics
Supply voltage
SHDN pin high-level input voltage
SHDN pin low-level input voltage
SHDN pin input pulse width
Set LED current
Symbol
Test
circuit
Test condition
Min Typ. Max Unit
V_CC
V_IH
V_IL
tpw SHDN
⎯
⎯
⎯ V_CC = 3 to 4.3 V
⎯ V_CC = 3 to 4.3 V
⎯ SHDN = High and Low level
3.0
⎯
4.3
V
2.6
⎯
V_CC
V
0
⎯
0.5
V
50
⎯
⎯
µs
I_o
⎯
V_CC = 3 V,
illuminating series LEDs 2 to 4
5
⎯
20
mA
3
2006-06-14