tb62771ftg TOSHIBA Semiconductor CORPORATION, tb62771ftg Datasheet - Page 8

• 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,
Ta = -40~85°C, Typical value Ta = 25°C condition. )
CURRENT LIMIT COMPARATOR
ERROR AMPLIFIER
MOSFET DRIVER
LED CURRENT
Current Limit Threshold
CS Limit Comparator to NDRV
propagation Delay
OUT Regulation Voltage
No Load Gain
COMP Sink current
COMP Source Current
NDRV On Resistance
Peak sink Current
Peak Source Current
Rise Time
Fall Time
LED Current Sink Range
Channel to Channel Accuracy
Output Leakage
Characteristics
Characteristics
Characteristics
Characteristics
Symbol
Symbol
Symbol
Symbol
VOUT = VREF
IOUT = 100mA
VDIM = 0V, VOUT = 40V
10mV Over Drive
Not included Leading-Edge Blanking
time
20mA < ILED < 150mA
150mA < ILED < 200mA
VOUT=5V, VCOMP=2.5V
VOUT=5V, VCOMP=2.5V
ISINK = 100mA (nMOS)
ISOURCE = 100ｍA (pMOS)
VNDRV = 5V
VNDRV = 0V
CLOAD = 1nF
CLOAD = 1nF
8
Condition
Condition
Condition
Condition
TB62771FTG/FNG
Min
160
160
Min
413
Min
Min
20
-
-
-
-
-
-
-
-
-
-
-
-
Typ.
Typ.
Typ.
Typ.
433
375
375
1.1
0.5
0.7
0.9
2.0
2.0
-
-
-
10
75
6
6
2011-03-24
Max
150
Max
Max
Max
±2
454
800
800
1
-
-
-
-
-
-
-
-
-
-
Unit
Unit
Unit
Unit
mV
mA
nA
nA
ns
ns
ns
μA
%
V
V
Ω
A
A