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参数资料
| 型号： | 5962-9457501Q2A |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 0.5 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, CQCC20 |
| 封装： | CERAMIC, LCC-20 |
| 文件页数： | 27/31页 |
| 文件大小： | 1044K |
| 代理商： | 5962-9457501Q2A |
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UCC1806
UCC2806
UCC3806
SLUS272F -- FEBRUARY 2000 -- REVISED AUGUST 2006
5
www.ti.com
ELECTRICAL CHARACTERISTICS
VIN =12V,RT =33k,CT = 330 pF, CBYPASS on VREF =0.01 μF, --55°C to 125°C for the UCC1806, --40°C<TA <85°C for the UCC2806,
0°C<TA <70°C for the UCC3806, and TA =TJ (unless otherwise noted)
SHUTDOWN TERMINAL
Threshold voltage
UCC1806
UCC2806
0.94
1.00
1.06
V
Threshold voltage
UCC3806
0.9
1.0
1.1
V
Input voltage range
0
VIN
tDLY
Delay-to-output time
0V ≤ VSHUTDOWN ≤ 1.3 V
75
150
ns
OUTPUT
Output supply voltage
2.5
15.0
UCC1806
ISINK =20mA
100
300
Low level output voltage
UCC1806
UCC2806
ISINK = 100 mA
0.4
1.1
Low-level output voltage
UCC3806
ISINK =20mA
100
200
V
UCC3806
ISINK = 100 mA
0.4
1.1
V
High level output voltage
ISRC =--20 mA
11.6
11.9
High-level output voltage
ISRC = --100 mA
11.0
11.6
tRISE
Rise time
TJ =25°C,
CLOAD = 1000 pF
35
65
ns
tFALL
Fall time
TJ =25°C,
CLOAD = 1000 pF
35
65
ns
UNDERVOLTAGE LOCKOUT (UVLO)
VSTART Startup threshold voltage
6.5
7.5
8.0
V
Threshold hysteresis
0.75
V
ISTART
Startup current
VIN <VSTART
50
100
μA
I
Operating supply current
1.0
1.4
mA
VIN shunt voltage
IVIN =10mA
15.0
17.5
(1)
Line range = 10 V to 15 V, load range = 0.2 mA to 5 mA
(2)
Ensured by design. Not production tested.
(3)
Parameters measured at trip point of latch with VNI =VREF,VINV =0V.
(4)
Amplifier gain defined as: G = delta change at COMP /delta change forced at CS+ delta voltage at CS+ = 0 to 1V
(5)
Current-sense amplifier output is slew rate limited to provide noise immunity.
THERMAL RESISTANCE TABLE
PACKAGE
DESIGNATOR
PACKAGE TYPE
θJC
(°C/W)
θJA
(°C/W)
D
SOIC--16
35
50 to 120(1)
DW
SOICW--16
27
50 to 100(1)
J
CDIP--16
28
80 to 120
L
CLCC--20
20
70 to 80
M
SSOP--16
38
144 to 172(2)
N
PDIP--16
45
90(1)
PW
TSSOP--16
15
123 to 147(2)
Q
PLCC--20
34
43 to 75(1)
(1) Specified θ JA (junction to ambient) is for devices mounted to 5 in2 FR4 PC board
with one ounce copper where noted. When resistance range is given, lower values
are for 5 in2 aluminum PC board. Test PWB was 0.062 in thick and typically used
0.635 mm trace widths for power packages and 1.3 mm trace widths for non-power
packages with a 100x100 mil probe land area at the end of each trace.
(2) Modeled data. If value range given for θ JA, the lower value is for 3x3 inch1 oz
internal copper ground plane, and the higher value is for 1x1 inch ground plane. All
model data assumes only one trace for each non-fused lead.
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