參數(shù)資料
型號(hào): UC3876L
廠商: Texas Instruments, Inc.
英文描述: Phase Shift Resonant Controller
中文描述: 相移諧振控制器
文件頁(yè)數(shù): 3/19頁(yè)
文件大?。?/td> 721K
代理商: UC3876L
3
UC1875/6/7/8
UC2875/6/7/8
UC3875/6/7/8
ELECTRICAL CHARACTERISTICS:
Unless otherwise stated, –55°C < T
A
< 125°C for the UC1875/6/7/8, –25°C < T
A
<
85°C for the UC2875/6/7/8 and 0°C < T
A
< 70°C for the UC3875/6/7/8, VC = VIN = 12V, R
FREQSET
= 12k
, C
FREQSET
= 330pF,
R
SLOPE
= 12k
, C
RAMP
= 200pF, C
DELAYSET A-B
= C
DELAYSET C-D
= 0.01
μ
F, I
DELAYSET A-B
= I
DELAYSET C-D
= –500
μ
A, T
A
= T
J
.
PARAMETER
TEST CONDITIONS
Undervoltage Lockout
Start Threshold
UC1875/UC1877
UC1876/UC1878
UVLO Hysteresis
UC1875/UC1877
UC1876/UC1878
Supply Current
I
IN
Startup
VIN = 8V, VC = 20V, R
SLOPE
open, I
DELAY
= 0
I
C
Startup
VIN = 8V, VC = 20V, R
SLOPE
open, I
DELAY
= 0
I
IN
I
C
Voltage Reference
Output Voltage
T
J
= +25°C
Line Regulation
11 < VIN < 20V
Load Regulation
I
VREF
= –10mA
Total Variation
Line, Load, Temperature
Noise Voltage
10Hz to 10kHz
Long Term Stability
T
J
= 125°C, 1000 hours
Short Circuit Current
VREF = 0V, T
J
= 25°C
MIN
TYP
MAX
UNITS
10.75
15.25
1.25
6.0
11.75
V
V
V
V
0.5
2.0
150
10
30
15
600
100
44
30
μ
A
μ
A
mA
mA
4.92
5
1
5
5.08
10
20
5.1
V
mV
mV
V
μ
Vrms
mV
mA
4.9
50
2.5
60
PLCC-28 (Top View)
QP Package
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