RT6575A/B
Parameter
LDO5 Output Current
LDO3 Output Current
LDO5 Switch-over
Threshold to BYP1
LDO5 Switch-over
Equivalent Resistance
VCLK Output
VCLK On-Resistance
VCLK Switching
Frequency
UVLO
LDO5 UVLO Threshold
LDO3 UVLO Threshold
Power Good Indicator
PGOOD Threshold
PGOOD Leakage
Current
PGOOD Output Low
Voltage
Fault Detection
OVP Trip Threshold
OVP Propagation Delay
UVP Trip Threshold
UVP Shutdown Blanking
Time
Thermal Shutdown
Thermal Shutdown
Thermal Shutdown
Hysteresis
Logic Inputs
ENx
Logic-High
Threshold
Logic-Low
Voltage
Internal Boost Switch
Internal Boost Switch
On-Resistance
V
ENx_H
V
ENx_L
SMPS On
SMPS Off
1.6
--
--
--
--
0.4
V
T
SD
T
SD
--
--
150
10
--
--
°C
°C
V
UVP
t
SHDN_UVP
UVP Detect, FBx Falling Edge
From ENx Enable
V
OVP
FBx with Respect to Internal
Reference
109
--
47
--
113
1
52
1.3
117
--
57
--
%
s
%
ms
V
PGxTH
PGOOD Detect, V
FBx
Rising Edge
Hysteresis
High state, V
PGOOD
= 5.5V
I
SINK
= 4mA
84
--
--
--
88
8
--
--
92
--
1
0.3
%
A
V
V
UVLO5
V
UVLO3
Rising Edge
Falling Edge
Channel x Off
--
3.7
--
4.3
3.9
2.5
4.6
4.1
--
V
V
R
VCLK
f
VCLK
Pull-up and Pull-down Resistance
--
--
10
260
--
--
kHz
Symbol
I
LDO5
I
LDO3
V
SWTH
R
SW
Test Conditions
V
LDO5
= 4.5V, V
BYP1
= GND,
V
IN
= 7.4V
V
LDO3
= 3V, V
IN
= 7.4V
Rising Edge at BYP1 Regulation Point
LDO5 to BYP1, 10mA
Min
100
100
--
--
Typ
175
175
4.66
1.5
Max
--
--
--
3
Unit
mA
mA
V
R
BST
LDO5 to BOOTx
--
80
--
Copyright
©
2016 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
8
DS6575A/B-03 February 2016
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
