REFERENCE |
|
Output voltage |
TJ = 25°C, I = 0.2 mA, UCCx813-[0,1,2,4] |
4.925 |
5 |
5.075 |
V |
TJ = 25°C, I = 0.2 mA, UCCx813-[3,5] |
3.94 |
4 |
4.06 |
|
Load regulation |
0.2 mA < I < 5 mA |
|
10 |
30 |
mV |
|
Total variation |
UCCx813-[0,1,2,4](5) |
4.84 |
5 |
5.1 |
V |
UCCx813-[3,5](5) |
3.84 |
4 |
4.08 |
|
Output noise voltage |
10 Hz ≤ f ≤ 10 kHz, TJ = 25°C(7) |
|
70 |
|
µV |
|
Long term stability |
TA = 125°C, 1000 hours(7) |
|
5 |
|
mV |
|
Output short circuit |
|
–5 |
|
–35 |
mA |
OSCILLATOR |
|
Oscillator frequency |
UCCx813-[0,1,2,4](2) |
40 |
46 |
52 |
kHz |
UCCx813-[3,5](2) |
26 |
31 |
36 |
|
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 |
|
Input voltage |
VCOMP = 2.5 V; UCCx813-[0,1,2,4] |
2.42 |
2.5 |
2.56 |
V |
VCOMP = 2 V; UCCx813-[3,5] |
1.92 |
2 |
2.05 |
|
Input bias current |
|
–2 |
|
2 |
µA |
|
Open loop voltage gain |
|
60 |
80 |
|
dB |
|
COMP sink current |
VFB = 2.7 V, VCOMP = 1.1 V |
0.4 |
|
2.5 |
mA |
|
COMP source current |
VFB = 1.8 V, VCOMP = VREF – 1.2 V |
–0.2 |
–0.5 |
–0.8 |
mA |
|
Gain-bandwidth product |
See note (7) |
|
2 |
|
MHz |
PWM |
|
Maximum duty cycle |
UCCx813-[0,2,3] |
97% |
99% |
100% |
|
UCCx813-[1,4,5] |
48% |
49% |
50% |
|
Minimum duty cycle |
VCOMP = 0 V |
|
|
0% |
|
CURRENT SENSE |
|
Gain |
See note (3) |
1.1 |
1.65 |
1.8 |
V/V |
|
Maximum input signal |
VCOMP = 5 V(4) |
0.9 |
1 |
1.1 |
V |
|
Input bias current |
|
–200 |
|
200 |
nA |
|
CS blank time |
|
50 |
100 |
150 |
ns |
|
Overcurrent threshold |
|
1.32 |
1.55 |
1.7 |
V |
|
COMP to CS offset |
VCS = 0 V |
0.45 |
0.9 |
1.35 |
V |
OUTPUT |
|
OUT low level |
I = 20 mA, all parts |
|
0.1 |
0.4 |
V |
I = 200 mA, all parts |
|
0.35 |
0.9 |
I = 50 mA, VVCC = 5 V, UCCx813-[3,5] |
|
0.15 |
0.4 |
I = 20 mA, VCC = 0 V, all parts |
|
0.7 |
1.2 |
VVCC – OUT |
OUT high Vsat |
I = –20 mA, all parts |
|
0.15 |
0.4 |
V |
I = –200 mA, all parts |
|
1 |
1.9 |
I = –50 mA, VVCC = 5 V, UCCx813-[3,5] |
|
0.4 |
0.9 |
|
Rise time |
CL = 1 nF |
|
41 |
70 |
ns |
|
Fall time |
CL = 1 nF |
|
44 |
75 |
ns |
UNDERVOLTAGE LOCKOUT |
|
Start threshold (6) |
UCCx813-0 |
6.6 |
7.2 |
7.8 |
V |
UCCx813-1 |
8.6 |
9.4 |
10.2 |
UCCx813-[2,4] |
11.5 |
12.5 |
13.5 |
UCCx813-[3,5] |
3.7 |
4.1 |
4.5 |
|
Stop threshold (6) |
UCCx813-0 |
6.3 |
6.9 |
7.5 |
V |
UCCx813-1 |
6.8 |
7.4 |
8 |
UCCx813-[2,4] |
7.6 |
8.3 |
9 |
UCCx813-[3,5] |
3.2 |
3.6 |
4 |
|
Start to stop hysteresis |
UCCx813-0 |
0.12 |
0.3 |
0.48 |
V |
UCCx813-1 |
1.6 |
2 |
2.4 |
UCCx813-[2,4] |
3.5 |
4.2 |
5.1 |
UCCx813-[3,5] |
0.2 |
0.5 |
0.8 |
SOFT START |
|
COMP rise time |
VFB = 1.8 V, Rise from 0.5 V to REF – 1 V |
|
4 |
|
ms |
OVERALL |
|
Start-up current |
VVCC < start threshold |
|
0.1 |
0.23 |
mA |
|
Operating supply current |
VFB = 0 V, VCS = 0 V, VRC = 0 V |
|
0.5 |
1.2 |
mA |
|
VCC internal Zener voltage(6) |
ICC = 10 mA |
12 |
13.5 |
15 |
V |
|
VCC internal Zener voltage minus start-threshold voltage (6) |
UCCx813-[2,4] |
0.5 |
1 |
|
V |