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LNBH26LPQR 데이터시트(PDF) 20 Page - STMicroelectronics

부품명 LNBH26LPQR
상세설명  Selectable output current limit by external resistor
PDF  28 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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LNBH26LPQR 데이터시트(HTML) 20 Page - STMicroelectronics

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Electrical characteristics
LNBH26L
20/28
Doc ID 022876 Rev 1
8
Electrical characteristics
Refer to
Section 5, TJ from 0 to 85 °C, all DATA 1..4 register bits set to 0 unless VSEL1 = 1,
RSEL = 11 k
Ω, DSQIN = LOW, VIN = 12 V, IOUT = 50 mA, unless otherwise stated. Typical
values are referred to TJ = 25 °C. VOUT = VOUT pin voltage. See software description section
for I²C access to the system register (
Section 6 and Section 7).
Table 12.
Electrical characteristics of section A/B
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VIN
Supply voltage (1)
812
16
V
IIN
Supply current
Both sections A and B enabled,
IOUT = 0 mA
12
mA
22 kHz tone enabled (TEN-A/B = 1,
DSQIN-A/B = High), IOUT = 0 mA
19
Both sections A and B set in standby:
VSEL1=VSEL2=VSEL3=VSEL4=0
2
VOUT
Output voltage total accuracy
Valid at any VOUT selected level
-3.5
+3.5
%
VOUT
Line regulation
VIN = 8 to 16 V
40
mV
VOUT
Load regulation
IOUT from 50 to 500 mA
75
100
IMAX
Output current limiting thresholds
RSEL = 15 k
Ω
500
750
mA
RSEL = 20 k
Ω
350
550
ISC
Output short-circuit current
RSEL = 15 k
Ω
350
mA
SS
Soft-start time
VOUT from 0 to 13 V
4
ms
SS
Soft-start time
VOUT from 0 to 18 V
6
ms
T13-18
Soft transition rise time
VOUT from 13 to 18 V
1.5
ms
T18-13
Soft transition fall time
VOUT from 18 to 13 V
1.5
ms
TOFF
Dynamic overload protection OFF
time
PCL = 0, output shorted
900
ms
TON
Dynamic overload protection ON
time
PCL = 0, output shorted
TOFF/
10
ATONE
Tone amplitude
DSQIN=High, EXTM=0, TEN=1
IOUT from 0 to 500 mA
CBUS from 0 to 750 nF
0.55
0.675
0.8
VPP
FTONE
Tone frequency
DSQIN=High, EXTM=0, TEN=1
20
22
24
kHz
DTONE
Tone duty cycle
43
50
57
%
tr, tf
Tone rise or fall time (2)
5
8
15
µs
EffDC/DC DC-DC converter efficiency
IOUT = 500 mA
93
%
FSW
DC-DC converter switching
frequency
440
kHz
UVLO
Undervoltage lockout thresholds
UVLO threshold rising
4.8
V
UVLO threshold falling
4.7



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