Datasheet

TL5001, TL5001A
PULSE-WIDTH-MODULATION CONTROL CIRCUITS
SLVS084F – APRIL 1994 – REVISED JANUARY 2002
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range, V
CC
= 6 V,
f
osc
= 100 kHz (unless otherwise noted)
reference
PARAMETER
TEST CONDITIONS
TL5001C, TL5001I TL5001AC, TL5001AI
UNIT
PARAMETER
TEST
CONDITIONS
MIN TYP
†
MAX MIN TYP
†
MAX
UNIT
Output voltage COMP connected to FB 0.95 1 1.05 0.97 1 1.03 V
Input regulation V
CC
= 3.6 V to 40 V 2 12.5 2 12.5 mV
T
A
= –20°C to 25°C (C suffix) –10 –1 10 –10 –1 10
Output voltage change with temperature
T
A
= –40°C to 25°C (I suffix) –10 –1 10 –10 –1 10
mV/V
T
A
= 25°C to 85°C –10 –2 10 –10 –2 10
†
All typical values are at T
A
= 25°C.
undervoltage lockout
PARAMETER
TEST CONDITIONS
TL5001C, TL5001I TL5001AC, TL5001AI
UNIT
PARAMETER
TEST
CONDITIONS
MIN TYP
†
MAX MIN TYP
†
MAX
UNIT
Upper threshold voltage T
A
= 25°C 3 3 V
Lower threshold voltage T
A
= 25°C 2.8 2.8 V
Hysteresis T
A
= 25°C 100 200 100 200 mV
Reset threshold voltage T
A
= 25°C 2.1 2.55 2.1 2.55 V
†
All typical values are at T
A
= 25°C.
short-circuit protection
PARAMETER
TEST CONDITIONS
TL5001C, TL5001I TL5001AC, TL5001AI
UNIT
PARAMETER
TEST
CONDITIONS
MIN TYP
†
MAX MIN TYP
†
MAX
UNIT
SCP threshold voltage T
A
= 25°C 0.95 1.00 1.05 0.97 1.00 1.03 V
SCP voltage, latched No pullup 140 185 230 140 185 230 mV
SCP voltage, UVLO standby No pullup 60 120 60 120 mV
Input source current T
A
= 25°C –10 –15 –20 –10 –15 –20 µA
SCP comparator 1 threshold voltage 1.5 1.5 V
†
All typical values are at T
A
= 25°C.
oscillator
PARAMETER
TEST CONDITIONS
TL5001C, TL5001I TL5001AC, TL5001AI
UNIT
PARAMETER
TEST
CONDITIONS
MIN TYP
†
MAX MIN TYP
†
MAX
UNIT
Frequency R
t
= 100 kΩ 100 100 kHz
Standard deviation of frequency 15 15 kHz
Frequency change with voltage V
CC
= 3.6 V to 40 V 1 1 kHz
T
A
= –40°C to 25°C –4 –0.4 4 –4 –0.4 4 kHz
Frequency change with temperature
T
A
= –20°C to 25°C –4 –0.4 4 –4 –0.4 4 kHz
T
A
= 25°C to 85°C –4 –0.2 4 –4 –0.2 4 kHz
Voltage at RT 1 1 V
†
All typical values are at T
A
= 25°C.