VIPER25LD STMicroelectronics, VIPER25LD Datasheet - Page 8
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VIPER25LD
Manufacturer Part Number
VIPER25LD
Description
IC OFFLINE CONV PWM OVP 16-SOIC
Manufacturer
STMicroelectronics
Series
VIPer™ plusr
Datasheet
1.VIPER25LN.pdf
(40 pages)
Specifications of VIPER25LD
Output Isolation
Isolated
Frequency Range
122 ~ 150kHz
Voltage - Input
8.5 ~ 23.5 V
Voltage - Output
800V
Power (watts)
24W
Operating Temperature
-40°C ~ 150°C
Package / Case
16-SOIC (0.154", 3.90mm Width)
Input Voltage
8.5 V to 23.5 V
Switching Frequency
136 KHz
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
VIPER25LDTR
Manufacturer:
AD
Quantity:
918
Company:
Part Number:
VIPER25LDTR
Manufacturer:
STMicroelectronics
Quantity:
1 975
Electrical data
8/40
Table 8.
Feedback pin
ZCD pin
Current limitation
Overcurrent protection (2
Overvoltage protection
V
R
T
V
T
Symbol
V
V
T
V
V
FBbmhys
I
STROBE
V
ON_MIN
I
FB(DYN)
ZCDCLh
V
ZCDAth
ZCDTth
BLANK
DMAX
I
D_BM
I
t
H
FBolp
FBbm
I
ZCD
Dlim
t
t
LEB
FBlin
OVP
SU
td
FB
SS
FB
Controller section
Over load shutdown threshold
Linear dynamics upper limit
Burst mode threshold
Burst mode hysteresis
Feedback sourced current
Dynamic resistance
ΔV
Upper clamp voltage
Arming voltage threshold
Triggering voltage threshold
Internal pull-up
Turn-on inhibit time after
MOSFET’s turn-off
Max drain current limitation
Soft start time
Start up time
Minimum turn ON time
Propagation delay
Leading edge blanking
Peak drain current during
burst mode
Second overcurrent threshold
Overvoltage protection
threshold
Overvoltage protection strobe
time
FB
/ ΔI
D
Parameter
nd
OCP)
Doc ID 15585 Rev 4
Voltage falling
Voltage rising
V
3.3 V < V
V
I
Positive-going edge
Negative-going edge
V
V
V
I
T
VIPER25L
VIPER25H
VIPER25L
VIPER25H
V
ZCD
ZCD
J
FB
FB
ZCD
ZCD
FB
FB
= 25 °C
Test condition
< 3.3 V
= 0.3 V
= 4 V,
= 0.6 V
= 1 mA
= -10 µA
< 1 V
>1 V
FB
< 4.8 V
Min.
-150
0.66
220
3.2
7.5
9.5
3.8
4.5
14
2
5
Typ.
-200
100
400
100
300
160
4.8
3.3
0.6
5.5
0.8
0.6
-10
6.3
2.5
0.7
1.2
4.2
2.2
-3
Max. Unit
-280
0.74
480
5.2
3.4
3.5
4.2
4.6
19
15
18
VIPER25
6
6
V/A
mV
mA
kΩ
ms
ms
ms
ms
uA
uA
µA
µs
µs
ns
ns
ns
μs
V
V
V
V
V
V
A
A
V