Datasheet

ELECTRICAL CHARACTERISTICS:
PARAMETER TEST CONDITIONS
UC1526A
UC2526A
UC3526A
UNITS
MIN TYP MAX MIN TYP MAX
Soft-Start Section
Error Clamp Voltage
RESET = +0.4V 0.1 0.4 0.1 0.4 V
C
S Charging Current RESET = +2.4V 50 100 150 50 100 150 µA
Output Drivers (Each Output) (Note 9)
HIGH Output Voltage I
SOURCE = 20mA 12.5 13.5 12.5 13.5 V
I
SOURCE = 100mA 12 13 12 13 V
LOW Output Voltage I
SINK = 20mA 0.2 0.3 0.2 0.3 V
I
SINK = 100mA 1.2 2.0 1.2 2.0 V
Collector Leakage V
C = 40V 50 150 50 150 µA
Rise Time C
L = 1000pF (Note 5) 0.3 0.6 0.3 0.6 µs
Fall Time C
L = 1000pF (Note 5) 0.1 0.2 0.1 0.2 µs
Cross-Conduction Charge Per cycle, T
J = 25°C 8 8 nC
Power Consumption (Note 10)
Standby Current
SHUTDOWN = +0.4V 14 20 14 20 mA
Note 4: I L = 0mA.
Note 5: Guaranteed by design, not 100% tested in production.
Note 6: F
OSC = 40kHz, (R T = 4.12k Ω ± 1%, C T = 0.01 µ F ± 1%,
R
D = 0 Ω ).
Note 7: V
CM = 0 to +5.2V
Note 8: V
CM = 0 to +12V.
Note 9: V
C = +15V.
Note 10:V
IN = +35V, R T = 4.12k Ω .
Open Loop Test Circuit UC1526A
+VIN = 15V, and over operating ambient temperature, unless otherwise specified TA = TJ.
UC1526A
UC2526A
UC3526A
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