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RT5021 数据表(PDF) 12 Page - Richtek Technology Corporation

部件名 RT5021
功能描述  Channels DC/DC PMU with Li-ion Battery Charger
PDF  67 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  RICHTEK [Richtek Technology Corporation]
网页  http://www.richtek.com
标志 RICHTEK - Richtek Technology Corporation

RT5021 数据表(HTML) 12 Page - Richtek Technology Corporation

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RT5021
12
DS5021-01 April 2013
www.richtek.com
Copyright
2013 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
©
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
RDS(ON)_P P-MOSFET, PVD7 = 10V
--
2
3
Ω
On Resistance of MOSFET
RDS(ON)_N N-MOSFET, SYS = 3.3V
--
0.9
1.1
Ω
Current Limitation (Step-Up mode)
N-MOSFET, SYS = 3.3V
0.6
0.8
1
A
A0.OVP7 = 0
15
16
17
V
Over Voltage Protection at PVD7
(Step-Up mode)
A0.OVP7 = 1
24
25
26
V
Off Discharge Current at PVD7
(Step-Up mode)
PVD7 = 10V, SYS = 3.3V
--
20
--
mA
Discharge Finishing Threshold at
PVD7
(Step-Up Mode)
--
SYS
− 0.4
--
V
CH8 LDO
Input Voltage Range (PVD8)
1.5
--
5.5
V
Quiescent Current into PVD8
IQ_PVD8
PVD8 = 3.3V, IOUT = 0mA
--
--
75
μA
A3.VOUT8 [3:0] = 4’b1000 to
4’b1111
−1.5
--
1.5
%
Regulation Voltage Accuracy at
VO8
A3.VOUT8 [3:0] = 4’b0000 to
4’b0111
−2
--
2
%
Drop Out Voltage (PVD8-VO8)
IOUT = 300mA, VO8 = 2.5V
--
--
0.2
V
PSRR+
IOUT = 10mA, PVD8 = 3.3V at
1kHz
--
−60
--
dB
Max Output Current
(Current Limit)
PVD8 = 3V, VO8 = 2.5V
300
450
600
mA
Off Discharge Current at VO8
SYS = 3.3V
--
--
10
mA
CH9 RTC LDO
Standby Quiescent Current
BAT = 4.2V
--
3
6
μA
Lockout Current into VRTC
ILO-VRTC
EN = L, and PMU off, BAT = 0V,
VRTC = 3.05V, SYS = 0V
--
--
1
μA
Regulation Voltage at VRTC
IOUT = 0mA
3
3.05
3.1
V
Max Output Current (Current
Limit)
BAT = 4.2V
60
130
200
mA
IOUT = 50mA
--
--
1000
mV
IOUT = 10mA
--
--
150
mV
Dropout Voltage at (BAT-VRTC)
IOUT = 3mA
--
--
60
mV
Wake Up Detector
WAKE Impulse High Duration
tWAKEUP
VIN or BAT plug in,
VRTC = 3.05V
60
90
120
ms
WAKE UP High Level
VWAKE_H
Source Current 0.5mA,
VRTC = 3.05V
--
VRTC
− 0.3V
VRTC
V
WAKE UP Low Level
VWAKE_L
Sink Current 0.5mA,
VRTC = 3.05V
0
0.3
--
V
WAKE UP Rising Time
tWAKE_R
CLOAD 100pF at WAKE pin,
10% to 90% of VRTC,
VRTC = 3.05V
--
--
1
μs
BAT Wake Up Threshold Voltage
VRTC = 3.05V
3
3.1
3.2
V
BAT Wake Up Threshold
Hysteresis Gap
VRTC = 3.05V
--
−0.28
--
V



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