STEVAL-ISA033V1 STMicroelectronics, STEVAL-ISA033V1 Datasheet - Page 6
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STEVAL-ISA033V1
Manufacturer Part Number
STEVAL-ISA033V1
Description
BOARD EVAL L5991/STP12NK80Z
Manufacturer
STMicroelectronics
Type
Supervisory Circuitsr
Specifications of STEVAL-ISA033V1
Main Purpose
AC/DC, Primary Side
Outputs And Type
3, Isolated
Power - Output
55W
Voltage - Output
13.8V, 3.8V, 25V
Current - Output
3A, 350mA, 200mA
Voltage - Input
88 ~ 300VAC
Regulator Topology
Flyback
Board Type
Fully Populated
Utilized Ic / Part
L5991, STP12NK80Z
Input Voltage
88 V to 300 V
Output Voltage
3.8 V to 25 V
Product
Power Management Modules
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Frequency - Switching
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
For Use With/related Products
L5991, STP12NK80Z
Other names
497-8226
STEVAL-ISA033V1
STEVAL-ISA033V1
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
STEVAL-ISA033V1
Manufacturer:
STMicroelectronics
Quantity:
1
Figure 11. Output saturation.
L5991 - L5991A
Figure 9. Vref vs. junction temperature.
Vref [V]
5.05
4.95
16
14
12
10
Figure 13. UVLO Saturation
6/23
50
40
30
20
10
Ipin10 [mA]
5.1
4.9
8
6
0
5
-50
0
Vsat = V
0
-25
200
before turn-on
Vcc < Vccon
0.2
10
[V]
Vcc = 15V
Iref= 20mA
0
400
0.4
25
Vpin10 [mV]
600
Isource [A]
Tj (°C)
0.6
50
Vcc = Vc = 15V
Tj = 25°C
800
75
0.8
1,000 1,200 1,400
100
1
125
150
1.2
Figure 10. Vref SVRR vs. switching frequency.
Figure 12. Output saturation.
Figure 14. Timing resistor vs. switching frequency.
2.5
1.5
0.5
SVRR (dB)
120
5000
2000
1000
fsw (KHz)
80
40
2
1
0
500
200
100
0
50
20
10
1
0
V sat = V
0.2
Vc c = Vc = 15V
10
T j = 25°C
10
10
[V]
5.6nF
0.4
100
Rt (kohm)
Isink [A ]
fsw (Hz)
Vcc
Tj = 25°C
0.6
20
2.2nF
= 15V, V15 =0V
1000
0.8
30
Vcc=15V
Vp-p=1V
10000
1
100pF
220pF
470pF
1nF
1.2
40