SG3526 Motorola Inc, SG3526 Datasheet - Page 5

• Manufacturer Part Number: SG3526
• Description: PULSE WIDTH MODULATION CONTROL CIRCUIT
• Manufacturer: Motorola Inc

50 mV
Spec
Limit
MOTOROLA ANALOG IC DEVICE DATA
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
80
60
40
20
0
0
–75
10
0
Figure 1. Reference Stability over Temperature
Figure 5. Undervoltage Lockout Characteristic
–50
1
2
1.0
Figure 3. Error Amplifier Open Loop
100
–25
+
_
2.0
T J , JUNCTION TEMPERATURE ( C)
100 pF
V ref , REFERENCE VOLTAGE (V)
Frequency Response
0
1.0 k
3
f, FREQUENCY (Hz)
3.0
C Comp
25
4.0
50
10 k
75
5.0
100 k
100
6.0
125
1.0 M
7.0
150
10 M
8.0
SG3526
5.0
4.0
3.0
2.0
1.0
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
2.5
2.0
1.5
1.0
0.5
0
0
2.0
1.0
Figure 6. Output Driver Saturation Voltage as a
Figure 4. Current Limit Comparator Threshold
25
2.0 3.0 4.0 5.0
Figure 2. Reference Voltage as a
5.0
OUTPUT DRIVER SINK CURRENT (mA)
DIFFERENTIAL INPUT VOLTAGE (mV)
50
Function of Sink Current
Function Supply Voltage
V CC , SUPPLY VOLTAGE (V)
10
75
20
100
10
125
20
50
30 40
150
100
175
200
200
5