TB62778FNG Datasheet, PDF (7/23 Pages) Marktech Corporate – 8-Channel Constant-Current LED Driver of the 3.3-V and 5-V Power Supply Voltage Operation

TENTATIVE







TB62778FNG
Switching Characteristics (Unless otherwise specified, Ta = 25°C, V_DD = 4.5 to 5.5V)
Characteristics
Symbol
Test
Circuit
Test Condition (Note 1) Min Typ. Max Unit
t_pLH1
CLK- OUTn , LATCH = “H”,
6
ENABLE = “L”
⎯
20 300
t_pLH2
LATCH − OUTn ,
6
ENABLE = “L”
⎯
20 300
t_pLH3
ENABLE − OUTn ,
6
LATCH = “H”
⎯
20 300
Propagation delay time
t_pLH
t_pHL1
t_pHL2
6 CLK-SERIAL OUT
CLK- OUTn , LATCH = “H”,
6
ENABLE = “L”
LATCH − OUTn ,
6
ENABLE = “L”
2
10
14
⎯
30 340
ns
⎯
70 340
t_pHL3
ENABLE − OUTn ,
6
LATCH = “H”
⎯
70 340
Output rise time
t_pHL
6 CLK-SERIAL OUT
2
10
14
t_or
6
10% to 90% points of OUT0
to OUT7 voltage waveforms
ʕ
20 150
Output fall time
t_of
6
90% to 10% points of OUT0
to OUT7 voltage waveforms
ʕ
125 300
Note 1: T_opr = 25°C, V_DD = V_IH = 5 V, V_IL = 0 V, R_EXT = 1.2 kΩ, I_OUT = 15mA, V_L = 5.0 V,
C_L = 10.5pF (see test circuit 6.)
7
(Ver.0.0) 08-02-07