VIPER26 STMicroelectronics, VIPER26 Datasheet - Page 7

• Manufacturer Part Number: VIPER26
• Description: VIPerPlus family: fixed frequency high performance off line high voltage converter
• Manufacturer: STMicroelectronics

VIPER26
Table 8.
Error amplifier
Current setting (LIM) pin
Compensation (COMP) pin
Current limitation
Overload
Oscillator section
Thermal shutdown
V
R
I
FB_PULL UP
V
COMPL_HYS
t
V
COMP(DYN)
Symbol
V
T
V
I
RESTART
H
LIM_LOW
Dlim_bm
I
T
ON_MIN
D
REF_FB
COMPH
F
COMPL
COMP
I
t
T
COMP
HYST
G
Dlim
t
OVL
F
F
OSC
MAX
SS
SD
M
M
D
Controller section
FB reference voltage
Current pull up
Trans conductance
Low level clamp voltage
Upper saturation limit
Burst mode threshold
Burst mode hysteresis
∆V
Dynamic resistance
Source / sink current
Max source current
Drain current limitation
Soft-start time
Minimum turn ON time
Burst mode current limitation
Overload time
Restart time after fault
Switching frequency
Modulation depth
Modulation frequency
Maximum duty cycle
Thermal shutdown temperature
Thermal shutdown hysteresis
COMP
/ ∆I
Parameter
DRAIN
Doc ID 17736 Rev 2
I
LIM
= -10 µA, V
V
COMP
V
F
Test condition
F
COMP
I
V
OSC
LIM
OSC
= GND, V
V
FB
VIPER26H
T
T
T
VIPER26L
COMP
FB
J
J
J
= -100 µA
> 100 mV
= 25 °C
= 25 °C
= 25 °C
= 115 kHz
= 60 kHz
= GND
= V
= 3.3 V, T
COMPL
FB
= GND
J
= 25 °C 0.66 0.7 0.74
Min Typ Max Unit
103 115 127
150 160
3.2
54
70
1
150
220
145
230
3.3
0.5
1.1
8.5
40
15
50
60
±4
±8
30
-1
Electrical data
2
3
3
1
480
3.4
1.2
66
80
mA/V
kHz
kHz
kHz
kHz
V/A
mV
mA
ms
ms
µA
k
µA
µA
Hz
ns
°C
°C
%
V
V
V
V
A
s
7/25
Ω