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參數資料
| 型號： | V62/03624-05XE |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1 A SWITCHING CONTROLLER, 52 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | GREEN, PLASTIC, SOIC-8 |
| 文件頁數： | 14/18頁 |
| 文件大?。?/td> | 574K |
| 代理商： | V62/03624-05XE |
UCC2800/2801/2802/2803/2804/2805-EP
LOW-POWER BICMOS CURRENT-MODE PWM
SGLS135F SEPTEMBER 2002 REVISED OCTOBER 2010
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics, TA = 40_C to 125_C for Q temp and TA= 55_C to 125_C for M temp, VCC
VCC to GND, 0.1 F capacitor from VREF to GND and TA = TJ (unless otherwise stated)
PARAMETER
TEST CONDITIONS
UCC280XQ,
UCC280XM
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Oscillator Section
Oscillator frequency
See Note 2
UCC2800/01/02/04
40
46
52
kHz
Oscillator frequency
See Note 2
UCC2803/05
26
31
36
kHz
Temperature stability
See Note 7
2.5%
Amplitude peak-to-peak
2.25
2.4
2.55
V
Oscillator peak voltage
2.45
V
Error Amplifier Section
Input voltage
COMP = 2.5 V
UCC2800/01/02/04
2.44
2.5
2.56
V
Input voltage
COMP = 2 V
UCC2803/05
1.95
2
2.05
V
Input bias current
1
μA
Open loop voltage gain
60
80
db
COMP sink current
FB = 2.7 V, COMP = 1.1 V
0.3
3.5
mA
COMP source current
FB = 1.8 V, COMP = REF 1.2 V
0.2
0.5
0.8
mA
Gain bandwidth product
See Note 7
2
MHz
PWM Section
Maximum duty cycle
UCC2800/02/03
97%
99%
100%
Maximum duty cycle
UCC2801/04/05
48%
49%
50%
Minimum duty cycle
COMP = 0 V
0
Current Sense Section
Gain
See Note 3
1.1
1.65
1.8
V/V
Maximum input signal
COMP = 5 V, See Note 4
0.9
1
1.1
V
Input bias current
200
nA
CS blank time
50
100
150
ns
Overcurrent threshold voltage
1.42
1.55
1.68
V
COMP to CS offset voltage
CS = 0 V
0.45
0.9
1.35
V
Output Section (OUT)
IOUT = 20 mA
All parts
0.1
0.4
Low level output voltage
IOUT = 200 mA
All parts
0.35
0.9
V
Low-level output voltage
IOUT = 50 mA, VCC = 5 V
UCC2803/05
0.15
0.4
V
IOUT = 20 mA, VCC = 0 V
All parts
0.7
1.2
IOUT = 20 mA
All parts
0.15
0.4
High-level output voltage VSAT (VCC OUT)
IOUT = 200 mA
All parts
1
1.9
V
High level output voltage VSAT (VCC OUT)
IOUT = 50 mA, VCC = 5 V UCC2803/05
0.4
0.9
V
Rise time
CL = 1 nF
41
70
ns
Fall time
CL = 1 nF
44
75
ns
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