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TL5001A-Q1_15 Datasheet, PDF (7/19 Pages) Texas Instruments – PULSE-WIDTH-MODULATION CONTROL CIRCUITS
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TL5001A-Q1
www.ti.com .............................................................................................................................................. SLVS603B – AUGUST 2005 – REVISED FEBRUARY 2009
ELECTRICAL CHARACTERISTICS
over recommended operating free-air temperature range, VCC = 6 V, fosc = 100 kHz (unless otherwise noted)
PARAMETER
TEST CONDITIONS
TL5001AQ
MIN TYP(1) MAX
REFERENCE
Output voltage
Input regulation
Output voltage change with temperature
UNDERVOLTAGE LOCKOUT
TA = 25°C
TA = MIN to MAX
TA = MIN to MAX,
TA = MIN to MAX
COMP connected to FB
VCC = 3.6 V to 40 V
0.97
0.94
–6% (2)
1
0.98
2
2%
1.03
1.06
12.5
6% (2)
Upper threshold voltage
Lower threshold voltage
Hysteresis
Reset threshold voltage
SHORT-CIRCUIT PROTECTION
TA = MIN, 25°C
TA = MAX
TA = MIN, 25°C
TA = MAX
TA = MIN to MAX
TA = MIN, 25°C
TA = MAX
3
2.55
2.8
2.0
80 200
2.1 2.55
0.35 0.63
SCP threshold voltage
SCP voltage, latched
SCP voltage, UVLO standby
Equivalent timing resistance
SCP comparator 1 threshold voltage
OSCILLATOR
TA = MIN, 25°C
TA = MAX
TA = MIN to MAX
TA = MIN to MAX
TA = MIN to MAX
TA = MIN to MAX
No pullup
No pullup
0.97
1 1.03
0.94 0.98 1.06
140 185 230
60 120
185
1.5
Frequency
Standard deviation of frequency
Frequency change with voltage
Frequency change with temperature
TA = MIN to MAX
TA = MIN to MAX
TA = MIN to MAX
TA = MIN to MAX
Rt = 100 kΩ
VCC = 3.6 V to 40 V
Q suffix
M suffix
100
2
–9 (2)
–9 (2)
1
5
9 (2)
5
9 (2)
Voltage at RT
TA = MIN to MAX
1
DEAD-TIME CONTROL
Output (source) current
Input threshold voltage
TA = MIN to MAX
TA = 25°C
TA = MIN to MAX
V(DT) = 1.5 V
Duty cycle 0%
Duty cycle 100%
Duty cycle 0%
Duty cycle 100%
0.9 ×
IRT (3)
0.5
0.4
1.1 ×
IRT (3)
0.7
1.3 1.5
0.7
1.3 1.7
(1) All typical values are at TA = 25°C.
(2) Not production tested.
(3) Output source current at RT
UNIT
V
mV
V
V
mV
V
V
mV
mV
kΩ
V
kHz
kHz
kHz
kHz
V
µA
V
Copyright © 2005–2009, Texas Instruments Incorporated
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