Datasheet

UC2625-EP
www.ti.com .................................................................................................................................................................................................. SLUS802 – MARCH 2008
ELECTRICAL CHARACTERISTICS (continued)
Unless otherwise stated, these specifications apply for: T
A
= 25 ° C; Pwr V
CC
= V
CC
= 12 V; R
OSC
= 20 k Ω to V
REF
; C
OSC
= 2 nF;
R
TACH
= 33 k Ω ; C
TACH
= 10 nF; and all outputs unloaded. T
A
= T
J
.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
SPEED-IN threshold -55 ° C to 125 ° C 220 257 290 mV
SPEED-IN input current – 30 – 5 30 µ A
Low-Side Drivers
Voh, – 1 mA, down from V
CC
1.60 2.50
Voh, – 50 mA, down from V
CC
1.75 2.45
-55 ° C to 125 ° C V
Vol, 1 mA 0.05 0.4
Vol, 50 mA 0.36 0.8
Rise/fall time 10% to 90% slew time, into 1 nF 50 ns
High-Side Drivers
Vol, 1 mA 0.1 0.4
-55 ° C to 125 ° C V
Vol, 50 mA 1.0 1.8
Leakage current Output voltage = 50 V 30 µ A
Fall time 10% to 90% slew time, 50 mA load 50 ns
Oscillator
40 50 60
Frequency -40 ° C to 105 ° C 35 65 kHz
-55 ° C to 125 ° C 30 80
Reference
Iref = 0 mA 4.9 5.0 5.1
Output voltage V
-55 ° C to 125 ° C 4.7 5.0 5.3
Load regulation 0 mA to – 20 mA load – 40 – 5
mV
Line regulation 10 V to 18 V V
CC
– 10 – 1 10
Short circuit current -55 ° C to 125 ° C 50 100 150 mA
Miscellaneous
Output turn-on delay 1
µ s
Output turn-off delay 1
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