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RT6310C/CH 数据表(PDF) 28 Page - Richtek Technology Corporation

部件名 RT6310C/CH
功能描述  10A, 23V Synchronous Step-Down Converter with 3.3V/5V LDO
PDF  54 Pages
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制造商  RICHTEK [Richtek Technology Corporation]
网页  http://www.richtek.com
标志 RICHTEK - Richtek Technology Corporation

RT6310C/CH 数据表(HTML) 28 Page - Richtek Technology Corporation

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RT6310
Copyright © 2023 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
DS6310-04
August 2023
28
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
On-Resistance
High-Side MOSFET On-
Resistance
RDS(ON)_H
TA = TJ = 25C
--
17
--
m
Low-Side MOSFET On-
Resistance
RDS(ON)_L
TA = TJ = 25C
--
7.5
--
m
Discharge MOSFET On-
Resistance
RDISCHG
TA = TJ = 25C,
VEN/MODE = 0V. From LX to PGND
30
50
100
Current Limit
Low-Side MOSFET
Valley Current Limit
ILIM_VY
RT6310A/AH
:
TA = TJ = 25C
ILMT = 0V
10
13
16
A
ILMT = Open
12
15
18
ILMT = 5V
14
17
20
RT6310D/DH
:
TA = TJ = 25C
ILMT = 0V
5
6.5
8
A
ILMT = Open
14.6
16
17.9
ILMT = 5V
22.6
25.8
29.8
RT6310B/C and RT6310BH/CH
:
TA = TJ = 25C
12
15
18
A
ILMT Rising Threshold
VILMTH
RT6310A/AH/D/DH
VCC
−0.9
--
--
V
ILMT Falling Threshold
VILMTL
RT6310A/AH/D/DH
--
--
0.9
V
Oscillator Frequency
Oscillator Frequency
fOSC
400
500
600
kHz
On-Time Timer Control
Minimum On-Time
tON_MIN
--
50
--
ns
Minimum Off-Time
tOFF_MIN
RT6310A/AH/D/DH
--
260
--
ns
RT6310B/C and RT6310BH/CH
--
200
--
Ultrasonic Mode
Operation Period
tUSM
20
30
40
s
Soft-Start
Soft-Start Time
tSS
RT6310A/AH/D/DH TA = TJ = 25C, from
EN/MODE high to
PGOOD high
1.8
2.4
3
ms
RT6310B/BH
1.7
2.3
2.9
RT6310C/CH
2.2
2.9
3.6
Output Rising Time
tR
RT6310A/AH/D/DH
TA = TJ = 25C, from
10% to 90% VOUT
--
0.45
0.76
ms
RT6310B/BH
--
0.75
1.22
RT6310C/CH
--
1.2
1.8
Output Over-Voltage Protection
Output Over Voltage
Threshold
RT6310A/AH/C/CH/D/DH : VFB/VFF rising
114
120
126
%
RT6310B/BH : VOUT rising
Output Over Voltage
Deglitch Time
--
12
--
s



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