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RT5047 Datasheet(PDF) 5 Page - Richtek Technology Corporation

Part # RT5047
Description  Single Output LNB Supply and Control Voltage Regulator
Download  16 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT5047 Datasheet(HTML) 5 Page - Richtek Technology Corporation

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RT5047
Copyright © 2015 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS5047-00
March
2015
www.richtek.com
5
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Load Regulation
VOUT_LOAD
VLNB = 13.3V, ILNB = 50mA to 450mA
--
38
76
mV
VLNB = 18.3V, ILNB = 50mA to 450mA
--
45
90
Line Regulation
VOUT_LINE
VIN = 9 to 14V, VLNB = 13.3V,
ILNB = 50mA
-10
--
10
mV
VIN = 9 to 14V, VLNB = 18.3V,
ILNB = 50mA
-10
--
10
Protection
Output Over-Current Limit
ILIM_LNB1
VLNB = 13.3V/18.3V
500
550
650
mA
Output Over-Current
Disable Time
TDIS_ON
VLNB Short to GND
--
45
--
ms
Output Over-Current
Disable Time
TDIS_OFF
VLNB Short to GND (GBD)
--
1800
--
ms
VIN Under-Voltage Lockout
Threshold
VUVLO
VIN Falling
--
7.35
--
V
VIN Turn On Threshold
VIN_TH
VIN Rising
--
7.7
8
V
VIN Under-Voltage Lockout
Hysteresis
VUVLOHYS
--
350
--
mV
OTP Threshold
TOTP
--
140
--
C
OTP Hysteresis
TOTPHYS
--
15
--
C
TONE
TONE Frequency
FTONE
20
22
24
kHz
TONE Amplitude, Peak to
Peak
VTONE_PP
ILNB = 50 to 450mA, CLNB = 200nF
550
700
900
mVPP
TONE Duty Cycle
DCTONE
ILNB = 0 to 450mA, CLNB = 570nF
40
50
60
%
TONE Rise Time
TRTONE
ILNB = 0 to 450mA, CLNB = 570nF
5
10
15
s
TONE Fall Time
TFTONE
ILNB = 0 to 450mA, CLNB = 570nF
5
10
15
s
TONE Logic Input
VTONE_H
1.2
--
--
V
VTONE_L
--
--
0.4
V
TONE Input Leakage
ITONELKG
--
5
10
A
ENABLE, SEL Pins
EN Logic Input
VEN_H
1.2
--
--
V
VEN_L
--
--
0.4
V
EN Input Leakage
IENLKG
--
5
10
A
SEL Logic Input
VSEL_H
1.2
--
--
V
VSEL_L
--
--
0.4
V
SEL Input Leakage
ISELLKG
--
5
10
A


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