RT4722C
Parameter
Over-Temperature Protection
Over-Temperature Protection
Hysteresis
VO3 AVDD Output
AVDD Output Voltage Range
AVDD Output Voltage Total
Variation
Maximum Output Current
N3 N-MOSFET On-Resistance
P3 P-MOSFET On-Resistance
Current Limit
Line Regulation
Load Regulation
VO1 Positive Output
Positive Output Range
Positive Output Voltage
Variation
Maximum Output Current
N1 N-MOSFET On-Resistance
P1 P-MOSFET On-Resistance
Current Limit
Line Regulation
Load Regulation
VO2 Negative Output
Adjustable Negative Output
Voltage Range
Negative Output Voltage
Variation
Maximum Output Current
NN1 N-MOSFET
On-Resistance
NN2 N-MOSFET
On-Resistance
Current Limit
Line Regulation
Load Regulation
VO1 Discharge Resistor Value
VO2 Discharge Resistor Value
VO3 Discharge Resistor Value
R
DS(ON)2
VIN = 3.7V, I
LX-NN2
= 100mA
I
OCP2
VO2
Line_R
VO2
Load_R
R
DIS1
R
DIS2
R
DIS3
I
O2
= 100mA
--
1.6
--
--
--
--
--
0.2
1.9
0.02
0.4
40
40
30
--
2.2
--
--
--
--
--
A
%/V
%/A
VO2
VO2_ACY
IO2
MAX
41 different values set by SWIRE pin
VO2 =
2.4V,
No Load
VIN = 2.9V to 4.5V
VIN = 3.7V, I
LX-NN1
= 100mA
5.4
50
--
--
4
--
--
0.2
1.4
50
300
--
V
mV
mA
VO1
IO1
MAX
R
DS(ON)1
I
OCP1
VO1
Line_R
VO1
Load_R
I
O1
= 100mA
I
O1
= 5mA to 300mA
V
IN
= 2.9V to 4.5V
VIN = 3.7V, I
LX-N1
= 100mA
VIN = 3.7V, I
LX-P1
= 100mA
--
0.5
--
--
--
0.8
--
--
4.6
--
--
0.2
0.2
1
0.02
0.4
--
0.5
300
--
--
1.2
--
--
V
%
mA
A
%/V
%/A
VO3
VO3_ACY
IO3
MAX
R
DSON3
I
OCP3
VO3
Line_R
VO3
Load_R
I
O3
= 15mA
42 to 49 pulses by SWIRE pin
No load
V
IN
= 2.9V to 4.5V
VIN = 3.7V, I
LX-N3
= 20mA
VIN = 3.7V, I
LX-P3
= 20mA
5.8
2
--
--
--
0.28
--
--
6.1
--
--
0.4
1
0.35
0.01
0.4
7.9
2
55
--
--
0.42
--
--
V
%
mA
A
%/V
%/A
Symbol
OTP
OTP
HYST
Test Conditions
Min
--
--
Typ
140
15
Max
--
--
Unit
℃
℃
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is a registered trademark of Richtek Technology Corporation.
www.richtek.com
8
DS4722C-00
September 2017
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
