RT6541A
Parameter
Switching Frequency
Minimum Off-Time
Current Sensing
CS Current
CS Current TC
Zero Crossing Threshold
Protection Function
Current Limit Threshold Offset
Negative Current Limit
Threshold Offset
UV Trip Level
UVP Delay
OV Trip Level
OVP Delay
V
CC
UVLO Threshold
V
CC
UVLO Hysteresis
Thermal Shutdown
Start Up & VID
V
OUT
Soft-Start
Start Up Blanking Time
Driver On-Resistance
UGATE Driver (pull up)
UGATE Driver (sink)
LGATE Driver (pull up)
LGATE Driver (pull down)
Dead Time
Internal Boost Charging Switch
On-Resistance
LOGIC I/O
EN Input Voltage
Controller OFF
Controller ON
Logic Low
G0, G1, LPM Input Voltage
Logic-Low
MODE Select
Logic-High
Float
Logic High
VCCIO
EDRAM/EOPIO
V
CC
PRIM_Core
--
1.2
--
0.8
--
2.7
1.8
--
--
--
--
--
--
--
0.4
--
0.3
--
0.8
--
2.2
V
V
R
UGATEsr
R
UGATEsk
R
LGATEsr
R
LGATEsk
BOOT-PHASE forced to 5V
BOOT-PHASE forced to 5V
LGATE, high state
LGATE, low state
UGATE rising
LGATE rising
VCC to BOOT, 10mA
--
--
--
--
--
--
--
2.5
1.5
2.5
0.8
20
30
--
5
3
5
1.6
--
--
80
ns
EN high to V
OUT
= 1.05V
From EN = high
--
--
1.2
3.4
--
--
ms
ms
Latch
GND
PHASE = VCS/10
PHASE
GND = VCS/10
UV detect, falling edge
V
FB
= 0.2V
OV detect, rising edge
V
FB
= 1.31V
Rising edge
10
15
0.25
--
1.14
--
3.9
--
--
--
--
0.3
5
1.2
5
4.2
100
150
10
15
0.35
--
1.26
--
4.5
--
--
mV
mV
V
s
V
s
V
mV
C
GND
PHASE
9
--
8
10
4700
--
11
--
4
A
PPM/C
mV
Symbol
Test Conditions
V
IN
= 12V , CCM
Min
--
250
Typ
560
400
Max
--
550
Unit
kHz
ns
V
Copyright
©
2019 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS6541A-02
September 2019
www.richtek.com
5
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
