SIC402DB(2012) Ver la hoja de datos (PDF) - Vishay Semiconductors
Número de pieza
componentes Descripción
Lista de partido
SIC402DB
(Rev.:2012)
(Rev.:2012)
Vishay Semiconductors
SIC402DB Datasheet PDF : 26 Pages
| |||
SiC402A, SiC402BCD
Vishay Siliconix
RECOMMENDED OPERATING RANGE (all voltages referenced to GND = 0 V)
Parameter
Min.
Typ.
Max.
Unit
VIN
VDD to PGND
VOUT
Temperature
3
28
3
5.5
V
0.6
5.5
Operating Junction Temperature
Recommended Ambient Temperature
- 40 to 125
°C
- 40 to 85
ELECTRICAL SPECIFICATIONS
Parameter
Symbol
Input Supplies
Input Supply Voltage
VDD
VIN UVLO Thresholda
VIN UVLO Hysteresis
VDD UVLO Threshold
VDD UVLO Hysteresis
VIN Supply Current
VIN
VDD
VUVLO
VUVLO, HYS
VUVLO
VUVLO, HYS
IIN
VDD Supply Current
IDD
FB On-Time Threshold
Frequency Range
Bootstrap Switch Resistance
Timing
On-Time
Minimum On-Timeb
Minimum Off-Timeb
Soft Start
Soft Start Currentb
Soft Start Voltageb
Analog Inputs/Outputs
VOUT Input Resistance
Current Sense
Zero-Crossing Detector Threshold Voltage
fsw
tON
tON min.
tOFF min.
ISS
VSS
Test Conditions Unless Specified
VIN = 12 V, TA = + 25 °C for typ.,
- 40 °C to + 85 °C for min. and max.,
TJ = < 125 °C, VDD = + 5 V,
typical application circuit
Limits
Unit
Min. Typ. Max.
3
28
3
5.5
Sensed at ENL pin, rising
Sensed at ENL pin, falling
2.4 2.6 2.95
2.23 2.4 2.57
0.25
V
Measured at VDD pin, rising
Measured at VDD pin, falling
2.5
3
2.4
2.9
0.2
EN/PSV, ENL = 0 V, VIN = 28 V
Standby mode: ENL = VDD, EN/PSV = 0 V
EN/PSV, ENL = 0 V
10
20
160
µA
190 300
SiC402A, EN/PSV = V5V, no load
(fSW = 25 kHz), VFB > 0.6 Vb
SiC402B, EN/PSV = V5V, no load
VFB > 0.6 Vb
VDD = 5 V, fSW = 250 kHz,
EN/PSV = floating, no loadb
0.3
0.7
mA
8
VDD = 3 V, fSW = 250 kHz,
EN/PSV = floating, no loadb
5
Static VIN and load
Continuous mode operation
Minimum fSW, (SiC402A only)
0.594 0.600 0.606 V
1000
kHz
25
10
Continuous mode operation VIN = 15 V,
999
VOUT = 5 V, fSW = 300 kHz, RtON = 133 k
1110 1220
80
ns
VDD = 5 V
250
VDD = 3 V
370
When VOUT reaches regulation
3
µA
1.5
V
500
k
LX-PGND
-3
+ 3 mV
www.vishay.com
For technical questions, contact: powerictechsupport@vishay.com
Document Number: 63729
4
S12-2109-Rev. B, 03-Sep-12
This document is subject to change without notice.
THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Share Link: