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TL14661 数据表(PDF) 8 Page - Texas Instruments

部件名 TL14661
功能描述  HIGH SPEED / PRECISION SIX CHANNEL SWITCHING REGULATOR CONTROLLER
Download  22 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

TL14661 数据表(HTML) 8 Page - Texas Instruments

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TL1466I
HIGHSPEED/PRECISION SIX CHANNEL
SWITCHING REGULATOR CONTROLLER
SLVS262 − FEBRUARY 2000
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range, VCC = 6 V,
f = 0.43 MHz (unless otherwise noted) (continued)
error-amplifier section
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V(t)
Input threshold voltage
VO = 1 V (channel 1, 2, 3, 4)
1.46
1.50
1.54
V
VIO
Input offset current
VO = 1 V (channel 5, 6)
5
40
mV
IIB
Input bias current
VO = 1 V
INV INPUT (pin 11, 16, 19, 33, 36, 39)
−200
−500
nA
IIB
Input bias current
VO = 1 V
INV INPUT (pin 10, 15)
−0.9
−2.5
µA
VICR
Common-mode input voltage range
VCC = 2.5 V to 12 V
0 to
VCC−1
V
A(v)
Open-loop voltage amplification
70
dB
B1
Unity-gain bandwidth
6
MHz
VOM+
Positive output voltage swing
Vref−0.1
V
VOM−
Negative output voltage swing
0.2
V
IOM+
Output sink current
VO = 1 V
0.5
2
mA
IOM−
Output source current
VO = 1 V
Channel 1, 4
−30
−80
µA
IOM−
Output source current
VO = 1 V
Channel 2, 3, 5, 6
−45
−100
µA
output voltage limit section (channel 5, 6)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V(tOV)
Input threshold voltage
VI(10, 15 pin) = 1 V
0.95
1
1.05
V
V(BOV)
Input bias current
VI(8 pin) = 1.5 V,
VI(10, 15 pin) = 1 V
−0.7
−2
µA
soft start section
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
I(bss)
Input source current (pin 26)
STANDBY−3 terminal = 2 V
SOFT START terminal = 1 V
−1
−2.5
−4
µA
MOSFET DUTY setting section (channel 1, 4)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
D(MOS)
ON DUTY
V(FB) = 1 V
RDUTY = 5 kΩ
20%
D(MOS)
ON DUTY
V(FB) = 1 V
RDUTY = 25 kΩ
40%
output section
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
I(SINK)
Output sink current
R(BIAS) = 6.8 kΩ
6.3
8.5
10.7
mA
I(SINK)
Output sink current
R(BIAS) = 10 kΩ
4.5
6
7.5
mA
I(GSOURCE)
MOS gate source current
VO(43, 60 pin) = 1 V,
TA = 25°C
−50
mA
I(GSINK)
MOS gate sink current
VO(43, 60 pin) = 2 V,
TA = 25°C
50
mA
I(GOH)
MOS gate high-level output voltage
3.5
4
V
I(GOL)
MOS gate low-level output voltage
0.1
0.3
V
total device
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
I(ccs)
Standby supply current
STANDBY terminal = 0 V
1
10
µA
I(cca)
Average supply current
R(T) = 47 kΩ
6
9
mA


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