VIPER37LE STMicroelectronics, VIPER37LE Datasheet - Page 9

• Manufacturer Part Number: VIPER37LE
• Description: AC/DC Switching Converters ViperPlus Fixed Freq 800V 30mQ 265 Vac
• Manufacturer: STMicroelectronics
• Type: Off Line Switcherr

Specifications of VIPER37LE

• Product Category: AC/DC Switching Converters
• Input / Supply Voltage (max): 23.5 V
• Input / Supply Voltage (min): 8.5 V
• Switching Frequency: 60 kHz
• Supply Current: 2.5 mA
• Operating Temperature Range: - 40 C to + 150 C
• Mounting Style: Through Hole
• Package / Case: SDIP-10
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 25 C
• Number Of Outputs: 1
• Output Power: 25 W

VIPER37
Table 8.
Feedback pin
CONT pin
Current limitation
Oscillator section
V
R
V
Symbol
T
V
V
V
FBbmhys
V
FB(DYN)
CONT_h
ON_MIN
I
D
F
CONT_l
I
D_BM
H
t
FBolp
FBbm
FM
I
Dlim
t
FD
FBlin
LEB
OSC
MAX
SS
td
FB
FB
Controller section
Overload shutdown
threshold
Linear dynamics upper limit
Burst mode threshold
Burst mode hysteresis
Feedback sourced current
Dynamic resistance
∆V
Low level clamp voltage
High level clamp voltage
Max. drain current limitation
Soft-start time
Minimum turn-on time
Propagation delay
Leading edge blanking
Peak drain current during
burst mode
VIPER37L
VIPER37H
Modulation depth
Modulation frequency
Maximum duty cycle
FB
/ ∆I
Parameter
D
Doc ID 022218 Rev 1
Voltage falling
Voltage rising
V
3.3 V < V
V
I
I
V
I
T
V
V
voltage range,
V
VIPER37L
VIPER37H
CONT
CONT
CONT
FB
FB
FB
J
FB
DD
FB
= 25 °C
Test condition
< 3.3 V
= 0.3 V
= 4 V,
= 0.6 V
= 1 V
= operating
= 1 mA
= -100 µA
= -10 µA
FB
< 4.8 V
Min.
-150
0.95
220
103
4.5
3.2
14
54
70
5
2
-200
Typ.
100
400
100
300
160
115
250
4.8
3.5
0.6
0.5
5.5
8.5
60
±4
±8
-3
1
Electrical data
Max.
-280
1.05
480
127
5.2
3.7
21
66
80
6
6
Unit
kHz
kHz
kHz
kHz
V/A
mV
mA
ms
µA
µA
kΩ
Hz
ns
ns
ns
%
V
V
V
V
V
A
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