參數(shù)資料
型號(hào)： UCC3806PWTR
廠商： Texas Instruments, Inc.
英文描述： LOW-POWER, DUAL-OUTPUT, CURRENT-MODE PWM CONTROLLER
中文描述： 低功耗，雙輸出，電流模式PWM控制器
文件頁(yè)數(shù)： 5/21頁(yè)
文件大小： 726K
代理商： UCC3806PWTR
SLUS272C FEBRUARY 2000 REVISED JUNE 2003
5
www.ti.com
ELECTRICAL CHARACTERISTICS
VIN = 12 V, RT = 33 k
, CT = 330 pF, CBYPASS on VREF = 0.01
μ
F, 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
UCC3806
0.9
1.0
1.1
Input voltage range
0
VIN
150
tDLY
OUTPUT
Delay-to-output time
0 V
≤
VSHUTDOWN
≤
1.3 V
75
ns
Output supply voltage
2.5
15.0
UCC1806
UCC2806
ISINK = 20 mA
ISINK = 100 mA
ISINK = 20 mA
ISINK = 100 mA
ISRC = 20 mA
ISRC = 100 mA
TJ = 25
°
C,
TJ = 25
°
C,
100
300
Low-level output voltage
0.4
1.1
UCC3806
100
200
V
0.4
1.1
High-level output voltage
11.6
11.9
11.0
11.6
tRISE
tFALL
UNDERVOLTAGE LOCKOUT (UVLO)
Rise time
CLOAD = 1000 pF
CLOAD = 1000 pF
35
65
ns
Fall time
35
65
VSTART
Startup threshold voltage
6.5
7.5
8.0
V
Threshold hysteresis
0.75
V
μ
A
mA
ISTART
I
Startup current
VIN < VSTART
50
100
Operating supply current
1.0
1.4
VIN shunt voltage
Line range = 10 V to 15 V, load range = 0.2 mA to 5 mA
Ensured by design. Not production tested.
Parameters measured at trip point of latch with VNI = VREF , VINV = 0V.
Amplifier gain defined as: G = delta change at COMP /delta change forced at CS+ delta voltage at CS+ = 0 to 1V
Current-sense amplifier output is slew rate limited to provide noise immunity.
IVIN = 10 mA
15.0
17.5
(1)
(2)
(3)
(4)
(5)
THERMAL RESISTANCE TABLE
PACKAGE
DESIGNATOR
PACKAGE TYPE
θ
JC
(
°
C/W)
θ
JA
(
°
C/W)
50 to 120(1)
50 to 100(1)
D
SOIC16
35
DW
SOICW16
27
J
CDIP16
28
80 to 120
L
CLCC20
20
70 to 80
144 to 172(2)
90(1)
123 to 147(2)
43 to 75(1)
M
SSOP16
38
N
PDIP16
45
PW
TSSOP16
15
Q
PLCC20
34
(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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UCC3806QTRG3 功能描述:電流型 PWM 控制器 Low Power Dual Out Current Mode RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
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