L5993D STMicroelectronics, L5993D Datasheet - Page 5

• Manufacturer Part Number: L5993D
• Description: IC PWM CONTROLLER 16 SOIC
• Manufacturer: STMicroelectronics

Specifications of L5993D

• Pwm Type: Current Mode
• Number Of Outputs: 1
• Frequency - Max: 1MHz
• Duty Cycle: 85%
• Voltage - Supply: 11 V ~ 20 V
• Buck: No
• Boost: No
• Flyback: Yes
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: Yes
• Operating Temperature: 0°C ~ 105°C
• Package / Case: 16-SOIC (3.9mm Width)
• Frequency-max: 1MHz
• Lead Free Status / RoHS Status: Contains lead / Request inventory verification
• Other names: 497-2387-5

Figure 3. Quiescent current vs. input voltage.
9 .0
8 .5
8 .0
7 .5
7 .0
Figure 5. Quiescent current vs. input voltage
Figure 7. Vref vs. junction temperature.
Vref [V])
5.05
4.95
36
30
24
18
12
Iq [m A ]
6
0
5.1
4.9
Iq [mA]
5
-50
8
8
1 0
-25
10
Co = 1nF, Tj = 25 C
and switching frequency.
DC = 100%
Vcc = 15V
Iref = 1mA
1 2
0
12
V 1 4 = 0 , V 5 = V re f
R t = 4 .5 K o h m ,T j = 2 5 C
1 4
25
14
V c c [V ]
Vcc [V]
Tj ( C)
1 6
50
16
1 0 0 K h z
1 M h z
1 8
75
18
100
2 0
5 0 0 K h z
3 0 0 K h z
20
125
10 0KHz
500K Hz
30 0K Hz
2 2
1MHz
150
2 4
22
Figure 4. Quiescent current vs. input voltage
Figure 6. Reference voltage vs. load current.
Vref [V]
5.05
4.95
Figure 8. Vref vs. junction temperature.
5.05
4.95
Vref [V]
3 6
3 0
2 4
1 8
1 2
Iq [m A ]
5.1
4.9
5.1
4.9
6
0
5
5
8
-50
0
-25
1 0
C o = 1 n F, T j = 2 5 C
D C = 0 %
and switching frequency.
5
Vcc = 15V
Iref= 20mA
0
12
25
10
14
V cc [ V ]
Iref [mA]
Tj ( C)
50
Vcc=15V
Tj = 25 C
1 6
15
75
18
100
20
2 0
125
1 0 0 K H z
5 0 0 K H z
3 0 0 K H z
L5993
1 M H z
5/22
150
22
25