Electrical Characteristics: -40 ≤ TA ≤ 85˚C; VCC = 15V (Note 1); RT = 680Ω; CT = .022µF for triangle mode,
RT = 10kΩ; CT = 3.3nF sawtooth mode unless otherwise stated.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ꢀ Reference Section
Output Voltage
TJ = 25˚C, IREF = 1mA
4.90
5.00
6
5.10
20
V
mV
mV
mV/˚C
V
Line Regulation
12 ≤ VCC ≤ 25V
Load Regulation
1 ≤ IRE F≤ 20mA
6
25
Temperature Stability
Total Output Variation
Output Noise Voltage
Long Term Stability
Output Short Circuit
(Note 1)
0.2
0.4
5.18
Line, Load, Temp. (Note 1)
10Hz ≤ f ≤ 10kHz, TJ = 25˚C (Note 1)
TA = 125˚C, 1000 Hrs. (Note 1)
4.82
-30
50
5
µV
25
mV
mA
T
A = 25˚C
-100
-180
ꢀ Oscillator Section
Initial Accuracy
Sawtooth Mode, TJ = 25˚C (Note 1)
Triangle Mode, TJ = 25˚C
12 ≤ VCC ≤ 25V
47
44
52
52
0.2
5
57
60
kHz
kHz
%
Voltage Stability
1.0
Temperature Stability
Sawtooth Mode TMIN ≤ TA ≤ TMAX
%
Triangle Mode TMIN ≤ TA ≤ TMAX (Note 1)
VOSC (peak to peak)
8
1.7
%
V
Amplitude
Discharge Current
TJ = 25˚C
7.3
6.8
8.3
9.3
9.8
mA
mA
TMIN ≤ TA ≤ TMAX
ꢀ Error Amp Section
Input Voltage
VCOMP = 2.5V
2.42
2.50
-0.3
90
2.58
-2.0
V
µA
dB
Input Bias Current
AVOL
VFB = 0V
2 ≤ VOUT ≤ 4V
65
0.7
60
2
Unity Gain Bandwidth
PSRR
(Note 1)
1.0
70
MHz
dB
12 ≤ VCC ≤ 25V
Output Sink Current
Output Source Current
VOUT HIGH
VFB = 2.7V, VCOMP = 1.1V
VFB = 2.3V, VCOMP = 5V
VFB = 2.3V, RL = 15kΩ to Gnd
VFB = 2.7V, RL = 15kΩ to VREF
6
mA
mA
V
-0.5
5
-0.8
6
VOUT LOW
0.7
1.1
V
ꢀ Current Sense Section
Gain
(Notes 2 & 3)
2.85
0.9
3.00
1.0
70
3.15
1.1
V/V
V
Maximum Input Signal
PSRR
VCOMP = 5V (Note 2)
12 ≤ VCC ≤ 25V (Note 2)
VSense=0V
dB
µA
ns
Input Bias Current
Delay to Output
-2
-10
TJ=25˚C (Note 1)
150
300
ꢀ Output Section
Output Low Level
ISINK = 20mA
0.1
1.5
0.4
2.2
V
V
ISINK = 200mA
Output High Level
ISOURCE = 20mA
ISOURCE = 200mA
13.0
12.0
13.5
13.5
V
V
2
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
