Datasheet

 
SLUS318B – APRIL 1999 – REVISED JANUARY 2002
4
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electrical characteristics over recommended operating conditions, VCC = 12 V; CT = 1 nF,
R_TACH = 250 kΩ, C_TACH = 100 pF, T
A
= T
J
, T
A
= –40°C to 85°C for the UCC2626, and 0°C to 70°C
for the UCC3626 (unless otherwise noted)
overall
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Supply current Outputs not switching 1 3 5 mA
undervoltage lockout
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Start threshold 9.0 10.5 11.0 V
UVLO hysteresis 0.35 0.40 0.50 V
5-V reference
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Output voltage I
VREF
= –2 mA 4.9 5 5.1 V
Line regulation voltage 11 V < VCC < 14.5 V 10 mV
Load regulation voltage –1 mA > I
VREF
> –5 mA 10 mV
Short circuit current 40 120 240 mA
coast input comparator
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Threshold voltage 1.60 1.75 2.00 V
Hysteresis 0.04 0.10 0.16 V
current sense amplifier
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Input offset voltage VCM = 0 V 8 mV
Input bias current VCM = 0 V 5 10 15 µA
Gain VCM = 0 V 4.85 5.00 5.15 V/V
PSRR 11 V < VCC < 14.5 V 60 dB
High-level output voltage I
IOUT
= –100 µA 6.3 V
Low-level output voltage I
IOUT
= 100 µA 70 mV
Output source current
UCC3626 V
IOUT
= 2 V 500 µA
Output source current
UCC2626 V
IOUT
= 2 V 300 µA
pwm comparator
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Input common mode range 2.0 8.0 V
Propagation delay time 75 150 ns
overcurrent comparator
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Input common mode range 0.0 5.0 V
Propagation delay time 50 175 250 ns
logic inputs
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
High-level logic input voltage QUAD, BRAKE, DIR, SYNCH 3.6 V
Low-level logic input voltage QUAD, BRAKE, DIR, SYNCH 1.4 V