Datasheet

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SLVS367A − MARCH 2001 − REVISED JUNE 2001
9
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electrical characteristics over recommended operating virtual junction temperature range,
V
CC
= 12 V, ENABLE = High, C
L
= 3.3 nF (unless otherwise noted) (continued)
digital control (IN, ENABLE, SYNC)
PARAMETER
TEST CONDITIONS MIN TYP MAX UNIT
V
IH
High-level input voltage
IN Over full V
CC
range 2 V
V
IH
High-level input voltage
ENABLE, SYNC
Over full V
CC
range 2.2 V
V
IL
Low-level input voltage
IN Over full V
CC
range 1 V
V
IL
Low-level input voltage
ENABLE, SYNC
Over full V
CC
range 1 V
ENABLE propagation delay time See Note 2 2 7 µs
NOTE 2: Ensured by design, not production tested.
thermal shutdown
PARAMETER
TEST CONDITIONS MIN TYP MAX UNIT
Thermal shutdown See Note 2 155 170 185 _C
t
d
Falling edge delay time See Note 2 10 20 µs
NOTE 2: Ensured by design, not production tested.
drive regulator
PARAMETER
TEST CONDITIONS MIN TYP MAX UNIT
Recommended output voltage 4 14 V
V
O
Output voltage V
CC
= 10 V to 15 V, I
O
= 5 mA to 150 mA −2 2 %nom
V
ref
Reference voltage V
CC
= 10 V to 15 V 1.235 V
Dropout voltage
V
CC
= 10 V, I
O
= 150 mA
See Note 2
1000 1100 mV
Line regulation V
CC
= 10 V to 15 V, I
O
= 5 mA 0.2 %/V
Load regulation V
CC
= 10 V, I
O
= 5 mA to 150 mA 2 %
Current limit V
CC
= 8 V 0.5 0.6 A
PWRRDY saturation voltage I
O
= 5 mA 0.8 V
I
lkg
Leakage current V
I(PWRRDY)
= 4.5 V 1 µA
drive regulator undervoltage lockout
PARAMETER
TEST CONDITIONS MIN TYP MAX UNIT
Start threshold voltage See Note 2 85 %Vref
Stop threshold voltage See Note 2 80 %Vref
V
hys
Hysteresis voltage See Note 2 2.5 5 %Vref
t
pd
Propagation delay time 50-mV overdrive, See Note 2 300 1000 ns
Falling-edge delay time See Note 2 2 5 µs
Power on reset time See Note 2 100 1000 µs
NOTE 2: Ensured by design, not production tested.