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RT3624LE Datasheet(PDF) 9 Page - Richtek Technology Corporation

Part # RT3624LE
Description  Dual Channel PWM Controller for IMVP9.1 CPU Core Power Supply
PDF  48 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT3624LE Datasheet(HTML) 9 Page - Richtek Technology Corporation

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RT3624LE
Copyright © 2022 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation
DS3624LE-00
April
2022
www.richtek.com
9
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
CS Input Voltage
VCSIN
Differential voltage range of
DCR sense. (VCSIN=
Inductor current x
DCR x DCR divider)
−10
--
80
mV
Current Sense Gain Error
AMIRROR
Internal current mirror gain of
per phase current sense
IIMON / ICS,PERx
0.97
1
1.03
A/A
TON Setting
On-Time Setting
tON
VIN = 19V, VID = 0.9V,
kTON = 1.36
--
93
--
ns
Minimum Off-Time
tOFF
VID = 1V under PS1
condition
--
130
300
ns
Minimum On-Time
tON(MIN)
--
50
--
ns
Protections
Under-Voltage Lockout
Threshold
VUVLO,rise
Rising edge
4.1
--
4.45
V
VUVLO
Falling edge
3.9
--
4.2
V
∆VUVLO
Rising edge hysteresis
100
170
250
mV
Over-Voltage Protection
Threshold
VOV
Respect to VID voltage
VID
VID
VID
mV
VID >1V
+320
+350
+380
VID
≤1V
1.3
1.35
1.4
V
Under-Voltage Protection
Threshold
VUV
Respect to VID voltage
−680
−650
−620
mV
VRON and VR_READY
VRON
Threshold
Logic-High
VIH
0.7
--
--
Logic-Low
VIL
--
--
0.3
V
Leakage Current of VRON
ILEAK_IN
−1
--
1
µA
VR_READY Pull Low Voltage
VVR_READY
IVR_READY = 10mA
--
--
0.13
V
Serial VID and VR_HOT
VCLK, VDIO
Input Voltage
Logic-High
VIH
0.65
--
--
V
Logic-Low
VIL
--
--
0.45
Leakage Current of VCLK and
VDIO
ILEAK_IN
−1
--
1
µA
Pull Low Voltage
VVDIO
IVDIO = 10mA
--
--
0.13
V
ALERT
V
ALERT
I
= 10mA
--
--
0.13
VR_HOT
V
VR_HOT
I
= 10mA
--
--
0.13
Leakage Current of
ALERT ,
VR_HOT
ILEAK_OUT
−1
--
1
µA
ANS_EN
ANS_EN
Input
Voltage
Logic-High
VIH
VCC
−
0.5
--
--
V
Logic-Low
VIL
--
--
1
V



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