參數(shù)資料
型號： TL1466I
廠商： Texas Instruments, Inc.
英文描述： HIGH-SPEED/PRECISION SIX CHANNEL SWITCHING REGULATOR CONTROLLER
中文描述： HIGH-SPEED/PRECISION六通道開關穩(wěn)壓控制器
文件頁數(shù)： 6/24頁
文件大?。?/td> 382K
代理商： TL1466I
SLVS262 FEBRUARY 2000
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature (unless otherwise noted)
Supply voltage, V
CC
(see Note 1)
Input voltage, V
I
at OVP, COMP
Error amplifier input voltage, V
(AMP)
Output voltage, V
O
Peak output sink current, I
(SINK)
Peak output source current, I
(SOURCE)
Continuous power total dissipation at (or below) 25
°
C free-air temperature (see Note 2)
Operating free-air temperature range, T
A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
13 V
13 V
13 V
13 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
100 mA
0.5 A
1785 mW
20
°
C to 75
°
C
65
°
C to 150
°
C
. . . . . . . .
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
High-level standby input voltage (pin 29, 30), VI(HS)
Low-level standby input voltage (pin 29, 30), VI(LS)
Output voltage, VO
2.5
12
V
2
VCC
0.4
V
V
12
V
Current into feedback terminal, IOAMP
Channel 1, 4
30
Channel 2, 3, 5, 6
45
μ
A
Feedback capacitance, C(NF)
Bootstrap capacitance, C(BOOT)
Bias resistor, R(BIAS)
Timing resistor, R(T)
Timing capacitor, C(T)
Oscillator frequency, f(osc)
Operating free-air temperature, TA
0.5
5
100
nF
100
500
pF
k
k
pF
3
20
12
100
68
1000
0.05
0.8
MHz
°
C
20
75
electrical characteristics over recommended operating free-air temperature range, V
CC
= 6 V,
f = 0.43 MHz (unless otherwise noted)
reference section
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Vref
R(EGIN)
R(EGL)
V(RTC1)
V(RTC2)
IOS
Output voltage (pin 27)
TA = 25
°
C,
VCC = 2.5 V to 12 V,
IOL = 0.1 mA to 1 mA
TA = 20
°
C to 25
°
C
TA = 25
°
C to 75
°
C
Vref = 0 V
IOR = 1 mA
IOR = 1 mA
1.47
1.50
1.53
V
Line regulation
2
12.5
mV
Load regulation
1
7.5
±
2%
±
2%
mV
Output voltage change with temperature
0.2%
0.2%
Short-circuit output current
4
20
mA
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