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參數資料
| 型號： | TL1466IPMRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 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： | 25/26頁 |
| 文件大小： | 538K |
| 代理商： | TL1466IPMRG4 |
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
A
VICR
Common-mode input voltage range
VCC = 2.5 V to 12 V
0 to
VCC1
V
A(v)
Open-loop voltage amplification
70
dB
B1
Unity-gain bandwidth
6
MHz
VOM+
Positive output voltage swing
Vref0.1
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
A
IOM
Output source current
VO = 1 V
Channel 2, 3, 5, 6
45
100
A
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
A
soft start section
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
I(bss)
Input source current (pin 26)
STANDBY3 terminal = 2 V
SOFT START terminal = 1 V
1
2.5
4
A
MOSFET DUTY setting section (channel 1, 4)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
D(MOS)
ON DUTY
V(FB) = 1 V
RDUTY = 5 k
20%
D(MOS)
ON DUTY
V(FB) = 1 V
RDUTY = 25 k
40%
output section
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
I(SINK)
Output sink current
R(BIAS) = 6.8 k
6.3
8.5
10.7
mA
I(SINK)
Output sink current
R(BIAS) = 10 k
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
A
I(cca)
Average supply current
R(T) = 47 k
6
9
mA
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