tb62771ftg TOSHIBA Semiconductor CORPORATION, tb62771ftg Datasheet - Page 9

• Manufacturer Part Number: tb62771ftg
• Description: Step Up Type Dc/dc Controller Built In 4 Channel Sink Driver For White Led
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Electrical Characteristics
(Unless otherwise noted, VIN = VEN = 12V, RSETI = 15kΩ, CVCC = 1µF, VCC = VDRV,
CONFIDENTIAL
NDRV = COMP =OUT_= Open, VRSDT = VDIM = VCC, VOVP = VCS =PGND1 = PGND2 = AGND = 0V,
LOGIC INPUTS/OUTPUTS
Ta = -40~85°C, Typical value Ta = 25°C condition. )
EN Reference voltage
EN Hysteresis
EN Input Current
DIM Input High Voltage
DIM Input Low Voltage
DIM Input Current
DIM↑ to LED Turn-on Delay
DIM ↓to LED Turn –off Delay
IOUT Rise and Fall times
/FLT Output Low voltage
/FLT Output leakage Current
LED Short Detection Threshold
Short Detection Comparator Delay
RSDT Leakage Current
OVD detecting Threshold
OVD Hysteresis
OVD Leakage Current
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
Parameter
Symbol
VEN rising, Ta =-40 to 85
VEN = 40V
DIM↑ ~ IOUT↑(10%)
DIM↓ ~ IOUT↓(10%)
VIN = 4.75V, ISINK = 5mA
VFLT = 5.5V
Gain = 3.5
Output rising
VOVP = 1.25V
Temperature rising
9
Test Condition
°C
TB62771FTG/FNG
1.144
1.75
1.19
Min
2.1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1.228 1.266
1.23
Typ
100
100
200
165
2.0
6.5
50
70
15
-
-
-
-
-
-
-
-
2011-03-24
±200
±600
±600
1.316
Max
2.25
±2
0.8
0.4
1.0
-
-
-
-
-
-
-
-
-
Unit
mV
mV
nA
μA
μA
nA
nA
°C
°C
μs
ns
ns
ns
V
V
V
V
V