UCC35701D UNITRODE, UCC35701D Datasheet - Page 8

• Manufacturer Part Number: UCC35701D
• Description: PWM CONTROLLER, SMD, 35701, SOIC14
• Manufacturer: UNITRODE

Specifications of UCC35701D

• Input Voltage: 11V
• Output Voltage: 1V
• Output Current: 100mA
• Frequency: 700kHz
• Supply Voltage Range: 10V To 13V
• Digital Ic Case Style: SOIC
• No. Of Pins: 14
• Operating Temperature Range: 0°C To +70°C

TYPICAL WAVEFORMS (cont.)
Figure 2. Timing diagram for oscillator waveforms showing feedforward action and synchronization.
TYPICAL CHARACTERISTIC CURVES
Figure 3. Oscillator frequency vs. RT and CT.
Figure 4. Oscillator frequency vs. temperature.
1000
1.02
1.01
0.99
0.98
100
10
1
-55
20
CT=330pF
F
OSC
-35
= 100kHz
60
-15
5
TEMPERATURE [°C]
100
25
RT [K ]
45
140
65
VFF=0.8
85
180
105
VFF=3.2
100pF
150pF
220pF
330pF
470pF
125
220
8
Figure 5. Normalized maximum duty cycle vs.
temperature.
1.03
1.02
1.01
1.00
0.99
0.98
0.97
-55
VFF=0.8
-35
VFF=3.2
-15
5
TEMPERATURE [°C]
25
45
65
UCC15701/2
UCC25701/2
UCC35701/2
85
105
UDG-98208
VFF
S YNC
CT
125