RT5072 Datasheet, PDF (12/68 Pages) Richtek Technology Corporation – The RT5072 is a complete power supply solution

RT5072
Parameter
On-Resistance of MOSFET
Current Limit (Step-Up mode)
Over-Voltage Protection at PVD7
(Step-Up mode)
Off Discharge Current at PVD7
(Step-Up mode)
Discharge Finishing Threshold at
PVD7
CH8 LDO
Input Voltage Range (PVD8)
Quiescent Current into PVD8
Regulation Voltage Accuracy at
VO8
Drop Out Voltage (PVD8-VO8)
PSRR+
Max Output Current
(Current Limit)
Off Discharge Current at VO8
CH9 RTC LDO
Standby Quiescent Current
Lockout Current into VRTC
Regulation Voltage at VRTC
Max Output Current (Current
Limit)
Dropout Voltage at (BAT-VRTC)
Wake Up Detector
WAKE Impulse High Duration
WAKE Output
Voltage
High-Level
Low-Level
WAKE Rising Time
BAT Wake Up Threshold Voltage
BAT Wake Up Threshold
Hysteresis
Symbol
Test Conditions
R_{DS(ON)_P} P-MOSFET, PVD7 = 10V
R_{DS(ON)_N N-MOSFET, SYS = 3.3V}
N-MOSFET, SYS = 3.3V
A0.OVP7 = 0
A0.OVP7 = 1
PVD7 = 10V, SYS = 3.3V
(Step-Up Mode)
I_{Q_PVD8}
PVD8 = 3.3V, I_OUT = 0mA
A3.VOUT8 [3:0] = 4’b1000 to
4’b1111
A3.VOUT8 [3:0] = 4’b0000 to
4’b0111
I_OUT = 300mA, VO8 = 2.5V
I_OUT = 10mA, PVD8 = 3.3V at
1kHz
PVD8 = 3V, VO8 = 2.5V
SYS = 3.3V
I_LO-VRTC
BAT = 4.2V
EN = L, and PMU off, BAT =
0V, VRTC = 3.05V, SYS = 0V
I_OUT = 0mA
BAT = 4.2V
I_OUT = 50mA
I_OUT = 10mA
I_OUT = 3mA
t_WAKEUP
V_{WAKE_H}
V_{WAKE_L}
t_{WAKE_R}
VIN or BAT plug in,
VRTC = 3.05V
Source Current 0.5mA,
VRTC = 3.05V
Sink Current 0.5mA,
VRTC = 3.05V
C_LOAD = 100pF at WAKE pin,
10% to 90% of VRTC,
VRTC = 3.05V
VRTC = 3.05V
VRTC = 3.05V
Min Typ Max Unit
--
2
3

--
0.9 1.1

0.6 0.8
1
A
15
16
17
V
24
25
26
V
--
20
--
mA
--
SYS
0.4
--
V
1.5
--
--
--
1.5 --
5.5
V
75 A
1.5 %
2
--
2
%
--
--
0.2
V
-- 60 --
dB
300 450 600 mA
--
--
10 mA
--
3
6
A
--
--
1
A
3 3.05 3.1
V
60 130 200 mA
--
-- 1000 mV
--
-- 150 mV
--
--
60 mV
60 90 120 ms
--
VRTC
0.3V
VRTC
V
0
0.3
--
V
--
--
1
s
3
3.1 3.2
V
-- 0.28 --
V
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is a registered trademark of Richtek Technology Corporation.
DS5072-00 March 2015