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參數(shù)資料
| 型號(hào)： | UCC1808-1 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Low Power Current Mode Push-Pull PWM |
| 中文描述： | 低功耗電流模式推挽式脈寬調(diào)制 |
| 文件頁(yè)數(shù)： | 2/7頁(yè) |
| 文件大?。?/td> | 148K |
| 代理商： | UCC1808-1 |
2
UCC1808-1/-2
UCC2808-1/-2
UCC3808-1/-2
CONNECTION DIAGRAM
ELECTRICAL CHARACTERISTICS:
Unless otherwise specified,T
A
= 0°C to 70°C for the UCC3808-X, –40°C to 85°C for
the UCC2808-X and –55°C to 125°C for the UCC1808-X, VDD = 10V (Note 6), 1
μ
F capacitor from VDD to GND, R = 22k
,
C = 330pF. T
A
= T
J
.
PARAMETER
TEST CONDITIONS
Oscillator Section
Oscillator Frequency
Oscillator Amplitude/VDD
(Note 1)
Error Amplifier Section
Input Voltage
COMP = 2V
Input Bias Current
Open Loop Voltage Gain
COMP Sink Current
FB = 2.2V, COMP = 1V
COMP Source Current
FB = 1.3V, COMP = 3.5V
PWM Section
Maximum Duty Cycle
Measured at OUTA or OUTB
Minimum Duty Cycle
COMP = 0V
Current Sense Section
Gain
(Note 2)
Maximum Input Signal
COMP = 5V (Note 3)
CS to Output Delay
COMP = 3.5V, CS from 0 to 600mV
CS Source Current
CS Sink Current
CS = 0.5V, RC = 5.5V (Note 7)
Over Current Threshold
COMP to CS Offset
CS = 0V
Output Section
OUT Low Level
I = 100mA
OUT High Level
I = –50mA, VDD – OUT
Rise Time
C
L
= 1nF
Fall Time
C
L
= 1nF
Undervoltage Lockout Section
Start Threshold
UCCx808-1 (Note 6)
UCCx808-2
MIN
TYP
MAX
UNITS
175
0.44
194
0.5
213
0.56
kHz
V/V
1.95
–1
60
0.3
–0.2
2
2.05
1
V
μ
A
dB
mA
mA
80
2.5
–0.5
48
49
50
0
%
%
1.9
0.45
2.2
0.5
100
2.5
0.55
200
V/V
V
ns
nA
mA
V
V
–200
5
0.7
0.35
10
0.75
0.8
0.8
1.2
0.5
0.5
25
25
1
1
60
60
V
V
ns
ns
11.5
4.1
12.5
4.3
13.5
4.5
V
V
DIL-8, SOIC-8 (Top View)
J or N Package, D Package
Supply Voltage (IDD
≤
10mA) . . . . . . . . . . . . . . . . . . . . . . . 15V
Supply Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20mA
OUTA/OUTB Source Current (peak) . . . . . . . . . . . . . . . . –0.5A
OUTA/OUTB Sink Current (peak) . . . . . . . . . . . . . . . . . . . 1.0A
Analog Inputs (FB, CS) . –0.3V to VDD+0.3V, not to exceed 6V
Power Dissipation at T
A
= 25°C (N Package). . . . . . . . . . . . 1W
Power Dissipation at T
A
= 25°C (D Package) . . . . . . . . 650mW
Storage Temperature . . . . . . . . . . . . . . . . . . . –65°C to +150°C
Junction Temperature. . . . . . . . . . . . . . . . . . . –55°C to +150°C
Lead Temperature (Soldering, 10sec.) . . . . . . . . . . . . . +300°C
Currents are positive into, negative out of the specified terminal.
Consult Packaging Section of Databook for thermal limitations
and considerations of package.
ABSOLUTE MAXIMUM RATINGS
ORDER INFORMATION
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| UCC1808-x | Low Power Current Mode Push-Pull PWM |
| UCC1809 | Economy Primary Side Controller |
| UCC1809-1 | Economy Primary Side Controller |
| UCC1809-2 | Economy Primary Side Controller |
| UCC2809 | Economy Primary Side Controller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UCC1808-2 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Low Power Current Mode Push-Pull PWM |
| UCC1808J-1 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Current-Mode SMPS Controller |
| UCC1808J-2 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| UCC1808-X | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Low Power Current Mode Push-Pull PWM |
| UCC1809 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Economy Primary Side Controller |
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