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参数资料
| 型号： | 5962-9457501QEX |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 1 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, CDIP16 |
| 封装： | DIP-16 |
| 文件页数： | 5/11页 |
| 文件大小： | 239K |
| 代理商： | 5962-9457501QEX |
3
UCC1806
UCC2806
UCC3806
ELECTRICAL CHARACTERISTICS: Unless otherwise stated, these specifications hold for TA = –55°C to +125°C for the
UCC1806,
40°C to +85°C for the UCC2806, and 0°C to +70°C for the UCC3806; VIN = 12V, RT = 33k, CT = 330pF,
CBYPASS on VREF = 0.01F, TA = TJ.
PARAMETER
TEST CONDITION
UCC1806 / UCC2806
UCC3806
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
Oscillator Section
Initial Accuracy
TJ = 25°C
424752424752
kHz
Temperature Stability
TMIN < TA < TMAX (Note 5)
2
%
Amplitude
2.35
V
SYNC Delay to Outputs
Pin 8 = 0V, Pin 9 = VREF,
VSYNC = 0.8V to 2.0V
50
125
50
100
ns
Discharge Current
TJ = 25°C, VPIN 8 = 2.0V
2
mA
SYNC, VOL
IOUT = +1mA
0.4
V
SYNC, VOH
IOUT = –4mA
2.4
V
SYNC, VIL
Pin 8 = 0V, Pin 9 = VREF
0.8
V
SYNC, VIH
Pin 8 = 0V, Pin 9 = VREF
2.0
V
SYNC Input Current
1+1
A
Error Amplifier Section
Input Offset Voltage
5
10
mV
Input Bias Current
1
A
Input Offset Current
500
nA
Common Mode Range
0
VIN-2
0
VIN
2V
Open Loop Gain
VO = 1.0 to 4.0
80
100
80
100
dB
Unity Gain Bandwidth
1
MHz
Output Sink Current
VID < –20mV, VPIN 7 = 1.0V
1
mA
Output Source Current
VID < 20mV, VPIN 7 = 3.0V
80
120
80
120
A
Output High Level
VID = –50mV
4.5
V
Output Low Level
VID = –50mV
0.5
V
Current Sense Amplifier Section
Amplifier Gain
VPIN 3 = 0V, VPIN 1 = VREF (Notes 3,4)
2.75
3
3.35
2.75
3
3.35
V/V
Maximum Differential Input
Signal (VPIN 4 - VPIN 3)
VPIN 1 = VREF, VPIN 5 = VREF,
VPIN 6 = 0V
1.1
V
Input Offset Voltage
VPIN 1 = 0.5V, VPIN 7 = OPEN
10
30
10
50
mV
CMRR
VCM = 0 to VIN – 3.5
60
dB
PSRR
56
dB
Input Bias Current
VPIN 1 = 0.5V, PIN 7 OPEN (Note 3)
1
A
Input Offset Current
VPIN 1 = 0.5V, PIN 7 OPEN (Note 3)
1
A
Delay to Outputs
VPIN 5 = VREF, PIN 6 = 0, PIN 1 = 2.75V,
PIN 4 – PIN 3 = 0 to 1.5V step (Note 6)
125
175
125
175
ns
Current Limit Adjust Section
Current Limit Offset
VPIN 3 = 0, VPIN 4 = 0, PIN 7 = open
0.40
0.50
0.60
0.40
0.50
0.60
V
Input Bias Current
11
A
Minimum Latching Current
300
200
300
200
A
Maximum Non-Latching
Current
200
80
200
80
A
Shutdown Terminal Section
Threshold Voltage
0.94
1.00
1.06
0.9
1.0
1.1
V
Input Voltage Range
0
VIN
0VIN
V
Delay to Outputs
VPIN 16 = 0 to 1.3V
75
150
75
150
ns
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