SC403
4
Electrical Characteristics (continued)
Parameter
Conditions
Min  Typ  Max  Units
Input Supplies (continued)
VDD Supply Current
ENL , EN/PSV = 0V
3    7    糀
EN/PSV = V
DD
, no load (f
SW
 = 25kHz), V
FB
 > 750mV
2
mA
EN/PSV = V
DD
, no load (f
SW
 = 25kHz), V
FB
 > 750mV
1
V
DD
 = 5V, f
SW
 = 250kHz, EN/PSV = floating , no load
4
V
DD
 = 3V, f
SW
 = 250kHz, EN/PSV = floating , no load
2.5
FB On-Time Threshold
Static V
IN
 and load, 0 to +85 癈
0.744  0.750  0.756   V
Static V
IN
 and load, -40 to +85 癈
0.742
0.758   V
Frequency Range
Continuous mode operation
1000
kHz
Minimum f
SW
, EN/PSV = V
DD
, no load
25
Bootstrap Switch Resistance
10
&
Switching MOSFET Resistance
R
DSON
High Side FET
30
m&
Low Side FET
10
Timing
On-Time
Continuous mode operation,
V
IN
 = 15V, V
OUT
 = 5V, f
SW
= kHz, R
TON
 = 300k&
2386  2650  2915
ns
3V < V
DD
 < 4.5V
(2)
Minimum On-Time
80
ns
Minimum Off-Time
V
DD
 = 5V
250
ns
V
DD
 = 3V
370
Soft-Start
Soft-Start Current
2.75
Soft-Start Voltage
When V
OUT
 reaches regulation
1.5
V
Analog Inputs/Outputs
VOUT Input Resistance
500
k&
相关PDF资料
SC418ULTRT IC REG DL BUCK/LINEAR 20MLPQ
SC424MLTRT IC REG DL BUCK/LINEAR 28MLPQ
SC4250LISTRT IC HOT SWAP CTRLR 8-SOIC
SC427MLTRT IC REG DL BUCK/LINEAR 32MLPQ
SE95D,112 IC SENSOR TEMP 2.8-5.5V SOT96-1
SE97BTP,547 IC TEMP SENSOR DIMM 8HWSON
SE98ATP,547 IC TEMP SENSOR DDR 8-HWSON
SG6901ASZ IC PFC CTLR AVERAGE CURR 20SOIC
相关代理商/技术参数
SC4040 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:PRECISION SHUNT VOLTAGE REFERENCE
SC4040AS 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:PRECISION SHUNT VOLTAGE REFERENCE
SC4040ASK 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:PRECISION SHUNT VOLTAGE REFERENCE
SC4040ASK.TR 制造商:Semtech Corporation 功能描述:IC V-REF PRECISION 2.5V 3SOT-23 T/R
SC4040AZ 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:PRECISION SHUNT VOLTAGE REFERENCE
SC4040BS 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:PRECISION SHUNT VOLTAGE REFERENCE
SC4040BSK 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:PRECISION SHUNT VOLTAGE REFERENCE
SC4040BZ 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:PRECISION SHUNT VOLTAGE REFERENCE