Datasheet

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SLVS024E – FEBRUARY 1983 – REVISED NOVEMBER 1999
4
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electrical characteristics over recommended operating free-air temperature range, V
CC
= 6 V,
f = 200 kHz (unless otherwise noted)
reference section
PARAMETER
TEST CONDITIONS
TL1451AC
UNIT
PARAMETER TEST CONDITIONS
MIN
TYP
†
MAX
UNIT
Output voltage (pin 16) I
O
= 1 mA 2.4 2.5 2.6 V
O tp t oltage change ith temperat re
T
A
= –20°C to 25°C –0.1% ±1%
Output voltage change with temperature
T
A
= 25°C to 85°C –0.2% ±1%
Input voltage regulation V
CC
= 3.6 V to 40 V 2 12.5 mV
Output voltage regulation I
O
= 0.1 mA to 1 mA 1 7.5 mV
Short-circuit output current V
O
= 0 3 10 30 mA
†
All typical values are at T
A
= 25°C.
undervoltage lockout section
PARAMETER
TEST CONDITIONS
TL1451AC
UNIT
PARAMETER TEST CONDITIONS
MIN
TYP
†
MAX
UNIT
Upper threshold voltage (V
CC
) 2.72 V
Lower threshold voltage (V
CC
)
I
O( f)
01mA T
A
25°C
2.6 V
Hysteresis (V
CC
)
I
O(ref)
= 0.1 mA, T
A
= 25°C
80 120 mV
Reset threshold voltage (V
CC
) 1.5 1.9 V
†
All typical values are at T
A
= 25°C.
short-circuit protection control section
PARAMETER
TEST CONDITIONS
TL1451AC
UNIT
PARAMETER TEST CONDITIONS
MIN TYP
†
MAX
UNIT
Input threshold voltage (SCP) T
A
= 25°C 0.65 0.7 0.75 V
Standby voltage (SCP) No pullup 140 185 230 mV
Latched input voltage (SCP) No pullup 60 120 mV
Input (source) current V
I
= 0.7 V, T
A
= 25°C –10 –15 –20 µA
Comparator threshold voltage (FEEDBACK) 1.18 V
†
All typical values are at T
A
= 25°C.
oscillator section
PARAMETER
TEST CONDITIONS
TL1451C
UNIT
PARAMETER TEST CONDITIONS
MIN TYP
†
MAX
UNIT
Frequency C
T
= 330 pF, R
T
= 10 kΩ 200 kHz
Standard deviation of frequency C
T
= 330 pF, R
T
= 10 kΩ 10%
Frequency change with voltage V
CC
= 3.6 V to 40 V 1%
Frequency change with tem
p
erature
T
A
= –20°C to 25°C –0.4% ±2%
Frequency change with temperature
T
A
= 25°C to 85°C –0.2% ±2%
†
All typical values are at T
A
= 25°C.