Electrical Characteristics: 0≤TA≤70˚C, VCC=15V (Note 1); RT=680Ω, CT=.022µF for triangular mode,
RT=10kΩ, CT=3.3nF for sawtooth mode (see Fig. 3), unless otherwise stated
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
ꢀ Reference Section
Output Voltage
TJ=25˚C, IOUT=1mA
12≤VIN≤25V
1≤IOUT≤20mA
(Note 2)
Line, Load, Temperature (Note 2)
10Hz≤f≤10kHz, TJ=25˚C (Note 2)
TA=125˚C, 1kHrs. (Note 2)
TA=25˚C
4.90
5.00
6
6
5.10
20
25
0.4
5.18
V
Line Regulation
Load Regulation
mV
mV
mV/˚C
V
µV
mV
mA
Temperature Stability
Total Output Variation
Output Noise Voltage
Long Term Stability
Output Short Circuit
0.2
4.82
-30
50
5
-100
25
-180
ꢀ Oscillator Section
Initial Accuracy
Sawtooth Mode (see Fig. 3), TJ=25˚C
Triangular Mode (see Fig. 3), TJ=25˚C
47
44
52
52
57
60
kHz
kHz
Voltage Stability
Temp. Stability
12≤VCC≤25V
0.2
1.0
%
Sawtooth Mode TMIN≤TA≤TMAX
(Note 2)
5
%
Triangular Mode TMIN≤TA≤TMAX
(Note 2)
8
1.7
8.3
%
V
mA
mA
Amplitude
Discharge Current
Oscillator peak to peak
TJ=25˚C
TMIN≤TA≤TMAX
7.5
7.2
9.3
9.5
ꢀ Error Amp Section
Input Voltage
VCOMP=2.5V
2.42
2.50
-0.3
90
1.0
70
6
-0.8
6
2.58
-2.0
V
Input Bias Current
AVOL
Unity Gain Bandwidth
PSRR
Output Sink Current
Output Source Current
VOUT High
µA
dB
MHz
dB
mA
mA
V
2≤VOUT≤4V
(Note 2)
12≤VCC≤25V
VFB=2.7V, VOSC=1.1V
VFB=2.3V, VOSC=5V
VFB=2.3V, RL=15kΩ to ground
VFB=2.7V, RL=15kΩ to VREF
65
0.7
60
2
-0.5
5
VOUT Low
0.7
1.1
V
ꢀ Current Sense Section
Gain
(Notes 3 & 4)
VCOMP=5V (Note 3)
12≤VCC≤25V (Note 3)
2.85
0.9
3.00
1.0
70
-2
150
3.15
1.1
V/V
V
dB
µA
ns
Maximum Input Signal
PSRR
Input Bias Current
Delay to Output
-10
300
TJ=25˚C (Note 2)
ꢀ Output Section
Output Low Level
ISINK=20mA
ISINK=200mA
0.1
1.5
0.4
2.2
V
V
Output High Level
ISOURCE=20mA
ISOURCE=200mA
13.0
12.0
13.5
13.5
V
V
2
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
