TC62D722CFNG Datasheet, PDF (27/43 Pages) Toshiba Semiconductor – 16-Output constant current LED driver with the output gain control function and the PWM grayscale function

TC62D722CFG/CFNG
AC Characteristics 1 (Unless otherwise noted, V_DD = 5.0 V, T_a = 25 °C)
Characteristics
Symbol
Test Conditions
Min Typ.
Serial data transfer frequency
f_SCK
Up edge trigger mode
Cascade connect


Down edge trigger mode


S C K p u l s e w i d t h t_wSCK SCK=“H” or “L”
15
20
P W M C L K p u l s e w i d t h t_wPWM PWM=“H” or “L” , R_EXT =200 Ω to 12 kΩ
15
20
T R A N S p u l s e w i d t h t_wTRANS TRANS=“H”
20

t_SETUP1 SIN-SCK
1

t_SETUP2 TRANS-SCK
5

S e r i a l d a t a s e t u p t i m e t_SETUP3 TRANS-SCK
5

t_SETUP4 TRANS-SCK
t_SETUP5 ï¼´RANS-PWMCLK
2

5

t_HOLD1 SIN-SCK
3

t_HOLD2 TRANS-SCK
7

S e r i a l d a t a h o l d t i m e t_HOLD3 TRANS-SCK
7

t_HOLD4
t_HOLD5
TRANS-SCK
TRANS-PWMCLK
2

5

Max Unit
30
MHz
25
 ns
 ns
 ns


 ns




 ns


AC Characteristics 2 (Unless otherwise noted, V_DD = 3.3 V, T_a = 25 °C)
Characteristics
Symbol
Test Conditions
Min Typ.
Serial data transfer frequency
f_SCK
Up edge trigger mode _{Cascade connect}


Down edge trigger mode


S C K p u l s e w i d t h t_wSCK SCK=“H” or “L”
15
20
P W M C L K p u l s e w i d t h t_wPWM PWM=“H” or “L” , R_EXT =200 Ω to 12 kΩ
15
20
T R A N S p u l s e w i d t h t_wTRANS TRANS=“H”
20

t_SETUP1 SIN-SCK
1

t_SETUP2 TRANS-SCK
5

S e r i a l d a t a s e t u p t i m e ^tSETUP3 ^TRANS-SCK
5

Serial data hold time
t_SETUP4
t_SETUP5
t_HOLD1
t_HOLD2
t_HOLD3
t_HOLD4
t_HOLD5
TRANS-SCK
ï¼´RANS-PWMCLK
SIN-SCK
TRANS-SCK
TRANS-SCK
TRANS-SCK
TRANS-PWMCLK
2

5

3

7

7

2

5

Max Unit
30
MHz
25
 ns
 ns
 ns


 _ns




 ns


27
2011-09-24