tb62d701fng TOSHIBA Semiconductor CORPORATION, tb62d701fng Datasheet - Page 9

• Manufacturer Part Number: tb62d701fng
• Description: Step Up Type Dc/dc Controller Built In 8 Channel Sink Driver For White Led
• Manufacturer: TOSHIBA Semiconductor CORPORATION

(Unless otherwise noted, VCC=EN=24V, OSD=PWM*=VREG,
CONFIDENTIAL
OVD=CS=GND=PGND1=PGND2=0V, ROSC=12.25kΩ, NDRV=COMP=OUT*=unconnected,
ISET=VSET/RSET=80μA, CVREG=1μF, Ta=25°C)
<UNDER VOLTAGE LOCKOUT>
UVLO(VCC) Threshold Voltage
U V L O ( V C C )
UVLO(EXT) Threshold Voltage
U V L O ( E X T ) H y s t e r e s i s
<DETECTION CIRCUITS>
O V D T h r e s h o l d V o l t a g e
O V D
L V D T h r e s h o l d V o l t a g e
C S
<LED CURRENT SOURCES>
L E D C u r r e n t S i n k R a n g e
L E D C u r r e n t S e t t i n g
L E D C u r r e n t
LED Open Detection Threshold
LED Short Detection Threshold1
(
LED Short Detection Threshold2
P W M - I O U T T u r n D e l a y
P W M - I O UT Tur n O ff D el a y
I O U T
I O U T
<ERROR AMPLIFIER >
O U T R e g u l a t i o n V o l t a g e
C O M P S o u r c e C u r r e n t
C O M P
< SLOPE COMPENSATION>
P e a k S l o p e C o m p e n s a t i o n
</ERR NCH OPEN DRAIN>
/ E R R o u t p u t L o w Vo l t a g e
<CP FILTER>
CFIL Detection Voltage
CFIL Source Current
Electrical Characteristics
O
C o n t r o l
S
Characteristics
H y s t e r e s i s
D
S i n k
R i s e
F a l l
=
H y s t e r e s i s
G
A c c u r a c y
V o l t a g e
C u r r e n t
N
T i m e
T i m e
D
)
VHYS_OVD
UVLO_VCC
VHYS_VCC
ISO_COMP
UVLO_EXT
VHYS_EXT
ISI_COMP
VSHORT1
VSHORT2
VOL_ERR
VOUTmin
ISO_CFIL
ISLOPE
VOPEN
Symbol
VOVD
ΔILED
VCFIL
tfOUT
VLVD
IOUT
IOUT
tOFF
VCS
trout
tON
Current ramp added to the CS
input.
VOSD=0.5V～VREG-1.5V
ISET=VSET/RSET=80μA,
VOUT=0V, VCOMP=2.5V
VOUT=5V, VCOMP=2.5V
PWM falling(50%) to
VUVLO SWEEP UP
PWM rising(50%) to
9
VOVD SWEEP UP
VCFIL SWEEP UP
Channel to chanel
IOUT falling(90%)
IOUT rising(10%)
VCC SWEEP UP
IOUT=120mA
10% to 90%
90% to 10%
OSD=GND
Gain=1500
Condition
IOL=1mA
-160
TB62D701FNG/FTG
-2.0
Min
200
160
5.5
50
20
45
0
VOSD
-375
Typ.
1.15
300
100
300
120
100
100
200
200
375
-1.0
×6
6.0
3.5
0.2
0.4
0.2
6.9
0.5
0.1
2.0
50
2011-03-24
Max
0.35
-800
150
800
6.5
2.0
55
Unit
μA×
mV
mV
mV
mA
mA
fsw
μA
μA
μA
ns
ns
ns
ns
%
V
V
V
V
V
V
V
V
V
V
V