TL1466I Datasheet, PDF (7/24 Pages) Texas Instruments – HIGH-SPEED/PRECISION SIX CHANNEL SWITCHING REGULATOR CONTROLLER

TL1466I
HIGHĆSPEED/PRECISION SIX CHANNEL
SWITCHING REGULATOR CONTROLLER
SLVS262 − FEBRUARY 2000
electrical characteristics over recommended operating free-air temperature range, V_CC = 6 V,
f = 0.43 MHz (unless otherwise noted) (continued)
undervoltage lockout section
PARAMETER
V(th)
V(tl)
Vhys
V(R)
High-level threshold voltage
Low-level threshold voltage
Hysteresis
Reset threshold voltage (VCC)
TEST CONDITIONS
TA = 25°C
MIN TYP MAX UNIT
2.45
V
2.35
V
0.05 0.1
V
2.1 2.2
V
oscillator section
PARAMETER
f(OSC)
f(dev)
f(dv)
f(dT1)
f(dT2)
Oscillator frequency
Standard deviation of frequency
Frequency change with voltage
Frequency change with temperature
TEST CONDITIONS
C(T) = 100 pF,
R(T) = 47 kΩ
All the values are constant
VCC = 2.5 V to 12 V
TA = −20°C to 25°C
TA = 20°C to 75°C
MIN TYP
0.43
7%
1%
−0.5%
0.5%
MAX
±4%
±4%
UNIT
MHz
output voltage monitor section
PARAMETER
TEST CONDITIONS
V(tOM)
Input threshold voltage (COMP terminals: pin 13, 18,
34, 37, 40)
TA = 25°C (channel 1, 2, 3, 4)
V(IOOM)
I(ICOMP)
Input offset voltage (pin 9, 14)
Input bias current
Pin 13, 18, 34, 37, 40
Pin 9, 14
VI(10, _{15 pin)} = 1.5 V,
TA = 25°C (channel 5,6)
VI = 1 V
VI = 0.5 V, VI(10, _{15 pin)} = 1.5 V
short-circuit protection control section
PARAMETER
V(tPC)
V(STBY)
VI
I(bPC)
Input threshold voltage (pin 23)
UVLO standby voltage (pin 23)
Latched input voltage (pin 23)
Input source current (pin 23)
TEST CONDITIONS
TA = 25°C
TA = 25°C
MIN TYP MAX UNIT
1.45 1.50 1.55 V
0.55
V
−0.8
−2 µA
MIN
1.45
20
−1
TYP MAX UNIT
1.53 1.61 V
60 100 mV
10
30 mV
−2.5 −3.5 µA
dead-time control section (channel 3)
PARAMETER
I(Idt)
V(t)
V(t100)
Input current (DTC−3 terminal: pin 31)
Input threshold voltage
TEST CONDITIONS
VI(31 _pin) = 0.5 V
Duty cycle = 0%
Duty cycle = 100%
MIN TYP MAX UNIT
−1
−6 µA
0.55 0.65 0.75
V
1.25 1.35 1.45
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