參數(shù)資料
型號(hào): LV5762LF
元件分類(lèi): 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, 1130 kHz SWITCHING FREQ-MAX, QCC16
封裝: 3 X 3 MM, VQFN-16
文件頁(yè)數(shù): 2/5頁(yè)
文件大小: 185K
代理商: LV5762LF
LV5762LF
No.A1768-2/5
Continued from preceding page.
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Triangular waveform oscillator block
Oscillation frequency
fOSC
870
1000
1130
kHz
Frequency variation
fOSC_DV
VIN=8 to 42V
1
%
Oscillatory frequency fold back detection voltage
VOSC_FB
Detect IN voltage after the end of SS
0.5
V
Oscillatory frequency after fold back
fOSC_FB
100
150
200
kHz
ON/OFF circuit block
IC start-up voltage
VEN_on
VIN=8 to 42V
3.4
4.3
V
IC off voltage
VEN_off
VIN=8 to 42V
1.1
1.3
V
Soft start circuit block
Soft start source current
ISS_SC
EN 5V, SS=0V
3.4
4.3
5.2
μA
Soft start sink current
ISS_SK
EN 1V, VDD=5V, SS=1V
2
mA
Voltage to end the soft start function
VSS_END
0.7
0.9
1.1
V
UVLO circuit block
UVLO lock release voltage
VUVLO
7.0
7.4
7.8
V
UVLO hysteresis
VUVLO_H
0.6
V
Error amplifier
Input bias current
IEA_IN
100
μA
Error amplifier transconductance
GEA
1000
1400
1800
μA/V
Common mode input voltage range
VEA_R
VIN=8 to 42V
0.0
1.6
V
Sink output current
IEA_OSK
FB=1.0V
-100
μA
Source output current
IEA_OSC
FB=0V
100
μA
Current detection amplifier gain
GISNS
1.3
Over current limiter circuit block
Reference current
ILIM
-10%
20
+10%
μA
Over current detection comparator offset voltage
VLIM_OFS
-5
+5
mV
Over current detection comparator common
mode input range
VIN-0.45
VIN
V
PWM comparator
Vtmax
Duty cycle=DMAX
0.95
1.1
1.25
V
Input threshold voltage
Vt0
Duty cycle=0%
0.35
0.45
0.55
V
Maximum ON duty
DMAX
75
80
%
Output block
Output stage ON resistance(the upper side)
RONH
5
Ω
Output stage ON resistance(the under side)
RONL
5
Ω
Output stage ON current(the upper side)
IONH
240
mA
Output stage ON current(the under side)
IONL
240
mA
The whole device
Standby current
ICCS
EN 1V
60
μA
Mean consumption current
ICCA
EN 5V
3.6
mA
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