Data Sheet

TB67S249FTG
2017-08-18
22
AC electrical characteristics (Ta = 25°C and VM = 24 V, unless otherwise specified)
Characteristics Symbol Test condition Min Typ. Max Unit
Minimum CLK ‘High’ pulse width tCLK (H) CLK (H) minimum pulse width 500 — — ns
Minimum CLK ‘Low’ pulse width tCLK (L) CLK (L) minimum pulse width 500 — — ns
Output MOSFET switching
specifications
tr — 60 110 160 ns
tf — 60 110 160 ns
tpLH (CLK) CLK to OUT — 1000 — ns
tpHL (CLK) CLK to OUT — 1100 — ns
OSCM oscillator accuracy
ΔfOSCM1
COSC=270 pF, ROSC=5.1 kΩ
-15 — +15 %
ΔfOSCM2
COSC: GND short,
ROSC: Open
-20 — +20 %
PWM chopping frequency
fchop1
COSC=270 pF, ROSC=5.1 kΩ
— 67 — kHz
fchop2
COSC: GND short,
ROSC: Open
— 57 — kHz
AC characteristics timing chart
The timing chart may be simplified for explanatory purpose.
tCLK(H)
Motor output [OUT]
Logic input [CLK]
tpHL(CLK)
tr
tCLK(L)
tpLH(CLK)
tf