參數(shù)資料
型號： TL1466IPMG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 0.5 A SWITCHING CONTROLLER, 800 kHz SWITCHING FREQ-MAX, PQFP64
封裝： GREEN, PLASTIC, LQFP-64
文件頁數(shù)： 21/24頁
文件大?。?/td> 366K
代理商： TL1466IPMG4
TL1466I
HIGHSPEED/PRECISION SIX CHANNEL
SWITCHING REGULATOR CONTROLLER
SLVS262 FEBRUARY 2000
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature (unless otherwise noted)
Supply voltage, VCC (see Note 1)
13 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage, VI at OVP, COMP
13 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Error amplifier input voltage, V(AMP)
13 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output voltage, VO
13 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Peak output sink current, I(SINK)
100 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Peak output source current, I(SOURCE)
0.5 A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous power total dissipation at (or below) 25
°C free-air temperature (see Note 2)
1785 mW
. . . . . . . .
Operating free-air temperature range, TA
20
°C to 75°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, Tstg
65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
260
°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES:
1. All voltages are with respect to GND.
2. Device mounted on a 50 mm
× 1.6 mm, fFR4 printed-circuit board.
recommended operating conditions
MIN
NOM
MAX
UNIT
Supply voltage, VCC
2.5
12
V
High-level standby input voltage (pin 29, 30), VI(HS)
2
VCC
V
Low-level standby input voltage (pin 29, 30), VI(LS)
0.4
V
Output voltage, VO
12
V
Current into feedback terminal, IOAMP
Channel 1, 4
30
A
Current into feedback terminal, IOAMP
Channel 2, 3, 5, 6
45
A
Feedback capacitance, C(NF)
0.5
5
100
nF
Bootstrap capacitance, C(BOOT)
100
500
pF
Bias resistor, R(BIAS)
3
20
k
Timing resistor, R(T)
12
100
k
Timing capacitor, C(T)
68
1000
pF
Oscillator frequency, f(osc)
0.05
0.8
MHz
Operating free-air temperature, TA
20
75
°C
electrical characteristics over recommended operating free-air temperature range, VCC = 6 V,
f = 0.43 MHz (unless otherwise noted)
reference section
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Vref
Output voltage (pin 27)
TA = 25°C,
IOR = 1 mA
1.47
1.50
1.53
V
R(EGIN) Line regulation
VCC = 2.5 V to 12 V,
IOR = 1 mA
2
12.5
mV
R(EGL)
Load regulation
IOL = 0.1 mA to 1 mA
1
7.5
mV
V(RTC1)
Output voltage change with temperature
TA = 20°C to 25°C
0.2%
±2%
V(RTC2)
Output voltage change with temperature
TA = 25°C to 75°C
0.2%
±2%
IOS
Short-circuit output current
Vref = 0 V
4
20
mA
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