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RT9758 数据表(PDF) 12 Page - Richtek Technology Corporation

部件名 RT9758
功能描述  High Voltage Smart Cap Divider and Direct Charge Charger
PDF  61 Pages
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制造商  RICHTEK [Richtek Technology Corporation]
网页  http://www.richtek.com
标志 RICHTEK - Richtek Technology Corporation

RT9758 数据表(HTML) 12 Page - Richtek Technology Corporation

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RT9758
Copyright © 2023 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
DS9758-03
May 2023
12
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
CFLY Pre-Charge Current
Range
ICFLY_PRE_CHG_RAN
Default = 500mA per phase
330
--
660
mA
CFLY Pre-Charge Current
Accuracy
ICFLY_PRE_CHG_ACC
VBUS = 9.5V, in DIV2 single
phase mode, PRECHARGE_
CURRENT = 500mA
−20
--
20
%
CFLY Pre-Charge Timing
tCFLY_PRE_CHG
Select by register 0x11[7:6] = 00
--
0.5
--
ms
Select by register 0x11[7:6] = 01
--
1
--
Select by register 0x11[7:6] = 10,
default
--
2
--
Select by register 0x11[7:6] = 11
--
4
--
AT Function Threshold
Range
VAT_FUNCTION_RAN
9
--
12
V
AT Function Threshold
Step Size
VAT_FUNCTION_SIZE
--
0.5
--
V
AT Function Threshold
Accuracy
VAT_FUNCTION_ACC
Rising
−150
--
200
mV
AT Function Hysteresis
VAT_FUNCTION_HYS
Falling
--
400
--
mV
AT Function Deglitch
tAT_FUNCTION_DEG
8
10
12
ms
Synchronize Function
SYNC Output High Level
VOH_SYNC
VBUS = 5V to 21V, synchronize
function enable, master mode
--
4.2
--
V
SYNC Output Low Level
VOL_SYNC
VBUS = 5V to 21V, synchronize
function enable, master mode
−0.3
--
0.3
V
SYNC Duty Cycle
DMAX_SYNC
DIV2 mode, synchronize function
enable, master mode
--
--
50
%
SYNC Frequency
fSW_SYNC
fSW = 500kHz, synchronize
frequency is twice as switching
frequency
900
1000
1100
kHz
SYNC Output Current
Limit
ILIM_SYNC
SYNC pin short, WRX_IN = 10V
--
--
42
mA
Pull Down Resistor
VBUS Pull Down
RVBUS_PD
VBUS = 5V to 12V
--
0.75
--
k
WRX_IN Pull Down
RWRX_IN_PD
WRX_IN = 5V to 12V
--
1
--
k
VOUT Pull Down
RVOUT_PD
VOUT = 5V to 12V
--
0.75
--
k



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