Datasheet LTC1693 (Linear Technology) - 3

LTC1693
ELECTRICAL CHARACTERISTICS The
●
denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. VCC = 12V, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Switching Timing (Note 4)
tRISE Output Rise Time COUT = 1nF ● 17.5 35 ns COUT = 4.7nF ● 48.0 85 ns tFALL Output Fall Time COUT = 1nF ● 16.5 35 ns COUT = 4.7nF ● 42.0 75 ns tPLH Output Low-High Propagation Delay COUT = 1nF ● 38.0 70 ns COUT = 4.7nF ● 40.0 75 ns tPHL Output High-Low Propagation Delay COUT = 1nF ● 32 70 ns COUT = 4.7nF ● 35 75 ns
Driver Isolation
RISO GND1-GND2 Isolation Resistance LTC1693-1, LTC1693-2 GND1-to-GND2 Voltage = 75V ● 0.075 1 GΩ
Note 1:
Absolute Maximum Ratings are those values beyond which the life
Note 4:
All AC timing specificatons are guaranteed by design and are not of a device may be impaired. production tested.
Note 2:
Supply current is the total current for both drivers.
Note 5:
Only applies to the LTC1693-1 and LTC1693-2.
Note 3:
Only the LTC1693-3 has a PHASE pin.
W U TYPICAL PERFOR A CE CHARACTERISTICS IN Threshold Voltage IN Threshold Hysteresis IN Threshold Voltage vs VCC vs Temperature vs Temperature
2.75 3.00 1.4 T VCC = 12V V A = 25°C CC = 12V 2.50 2.75 1.3 V V IH IH 2.50 2.25 1.2 2.25 V 2.00 IH-VIL 2.00 1.1 1.75 1.75 1.0 1.50 V 1.50 IL INPUT THRESHOLD VOLTAGE (V) INPUT THRESHOLD VOLTAGE (V) VIL 0.9 1.25 1.25 INPUT THRESHOLD HYSTERESIS (V) 1.00 1.00 0.8 5 6 7 8 9 10 11 12 – 50 –25 0 25 50 75 100 125 – 50 – 25 0 25 50 75 100 125 VCC (V) TEMPERATURE (°C) TEMPERATURE (°C) 1693 G01 1693 G02 1693 G03 3