RT6576F
Parameter
Symbol
ILDO5
Test Conditions
Min
100
100
--
Typ
175
175
4.66
Max
--
Unit
mA
mA
V
V
LDO5 = 4.5V, VBYP1 = GND,
LDO5 Output Current
LDO3 Output Current
VIN = 7.4V
ILDO3
VLDO3 = 3V, V = 7.4V
--
IN
LDO5 Switch-Over
Threshold to BYP1
VSWTH
Rising edge at BYP1 regulation point
LDO5 to BYP1, 10mA
--
LDO5 Switch-over
Equivalent Resistance
RSW
--
1.5
3
VCLK Output
VCLK On-Resistance
RVCLK
fVCLK
Pull-up and pull-down resistance
--
--
10
--
--
VCLK Switching
Frequency
260
kHz
UVLO
Rising edge
Falling edge
Channel x off
--
3.7
--
4.3
3.9
2.5
4.6
4.1
--
LDO5 UVLO Threshold
VUVLO5
VUVLO3
V
V
LDO3 UVLO Threshold
Power Good Indicator
PGOOD detect, VFBx rising edge
Hysteresis
84
--
88
8
92
--
PGOOD Threshold
VPGxTH
%
PGOOD Leakage
Current
High state, VPGOOD = 5.5V
ISINK = 4mA
--
--
--
--
1
A
PGOOD Output Low
Voltage
0.3
V
Fault Detection
OVP Trip Threshold
OVP Propagation Delay
UVP Trip Threshold
VOVP
FBx with respect to internal reference
UVP detect, FBx falling edge
109
--
113
1
117
--
%
s
%
VUVP
47
52
57
UVP Shutdown Blanking
Time
tSHDN_UVP From ENx enable
--
4.5
--
ms
Thermal Shutdown
Thermal Shutdown
TSD
--
--
150
10
--
--
°C
°C
Thermal Shutdown
Hysteresis
TSD
Logic Inputs
ENx
Threshold
Voltage
Logic-High VENx_H
Logic-Low VENx_L
SMPS on
SMPS off
1.6
--
--
--
--
V
0.4
Internal Boost Switch
Internal Boost Switch
On-Resistance
RBST
LDO5 to BOOTx
--
80
--
Copyright 2018 Richtek Technology Corporation. All rights reserved.
©
is a registered trademark of Richtek Technology Corporation.
DS6576F-00 August 2018
www.richtek.com
7
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
