Datasheet

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     
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SLUS198C – FEBUARY 2000 - REVISED - JUNE 2001
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics, these specifications apply for T
A
= –40°C to 85°C for the UCC2915 and
0°C to 70°C for the UCC3915, VIN = 12 V, IMAX = 0.4 V, SHTDWN = 2.4 V, T
A
= T
J
, (unless otherwise
stated)
supply
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
Voltage input range 7.0 15.0 V
Supply current 1.0 2.0 mA
Sleep mode current SHTDWN = 0.2 V, no load 100 150 µA
Output leakage SHTDWN = 0.2 V 20 µA
NOTE 1: All voltages are with respect to GND. Current is positive into and negative out of the specified terminal.
output
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
I
OUT
= 1 A (10 V to 12 V) 0.15 0.3 V
I
OUT
= 2 A (10 V to 12 V) 0.3 0.6 V
Voltage drop
I
OUT
= 3 A (10 V to 12 V) 0.45 0.9 V
Voltage drop
I
OUT
= 1 A, VIN = 7 V and 15 V 0.2 0.4 V
I
OUT
= 2 A, VIN = 7 V and 15 V 0.4 0.8 V
I
OUT
= 3 A, VIN = 7 V, 12 V MAX 0.6 1.2 V
Initial startup time See Note 2 100 µs
Short circuit response See Note 2 100 ns
Thermal shutdown See Note 2 165 °C
Thermal hysteresis See Note 2 10 °C
NOTE 1: All voltages are with respect to GND. Current is positive into and negative out of the specified terminal.
NOTE 2: Ensured by design. Not production tested.
DAC
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
Code = 0000–0011 (device off)
Code = 0100 0.07 0.25 0.45 A
Code = 0101 0.32 0.50 0.70 A
Code = 0110 0.50 0.75 0.98 A
Code = 0111 0.75 1.00 1.3 A
Trip current
Code = 1000 1.0 1.25 1.6 A
Tri
current
Code = 1001 1.25 1.50 1.85 A
Code = 1010 1.5 1.75 2.15 A
Code = 1011 1.70 2.00 2.4 A
Code = 1100 1.90 2.25 2.7 A
Code = 1101 2.1 2.50 2.95 A
NOTE 1: All voltages are with respect to GND. Current is positive into and negative out of the specified terminal.