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RT4723P Datasheet, PDF (5/16 Pages) Richtek Technology Corporation – Dual Output AMOLED Bias
RT4723P
Parameter
Positive Output Current
Capability
Positive Output Voltage Ripple
Line Regulation
Load Regulation
Fast Discharge Resistance
Symbol
IOP_MAX
VOP_RIPPLE
VOP_LINE
VOP_LOAD
RDISP
Test Conditions
IOP = 20mA (Note 5)
VIN = 2.9 to 4.5V,
IOP = 20mA (Note 5)
IOP = 0mA to 30mA (Note 5)
Short Circuit Protection
VSCP1
Charge Pump Output
Negative Output Voltage
Range
Negative Output Voltage
Setting Range
Negative Output Voltage
Accuracy
Negative Output Current
Capability
Negative Charge Pump
Switching Frequency
Negative Output Voltage
Ripple
Line Regulation
Load Regulation
Fast Discharge Resistance
VON
VON_SET Per step
VON_ACC
ION_MAX
(Note 5)
fOSC_N
VON_RIPPLE ION = 20mA (Note 5)
VON_LINE
VON_LOAD
RDISN
VIN = 2.9 to 4.5V,
ION = 20mA (Note 5)
ION = 0mA to 30mA (Note 5)
Short Circuit Protection
VSCP2
Logic Input (SWIRE)
SWIRE Turn-off Detection
Time
SWIRE Signal Stop Indicate
Time
Twait after Data
Rising Input High Threshold
Voltage Level
Falling Input Low Threshold
Voltage Level
SWIRE Pull Low Resistor
Wake up Delay
SWIRE Rising Time
SWIRE Falling Time
Clocked SWIRE High
Clocked SWIRE Low
SWIRE to VOP On Time
Toff_dly
Tstop
Twait_int
VIH
VIL
RSW IRE
Twkp
TR
TF
TON
TOFF
TVOP_ON
Min Typ Max Unit
--
--
30 mA
--
10
-- mV
--
5
-- mV
--
5
-- mV
-- 105 --

--
< 80%
VOP
--
V
2.4 -- 0.6 V
-- 100 -- mV
1
--
1
%
--
--
30 mA
-- 500 -- kHz
--
20
-- mV
--
10
-- mV
--
30
-- mV
--
60
--

--
> 80%
VON
--
V
350 --
--
s
350 --
--
s
10
--
-- ms
1.2
--
VIN
V
0
--
0.4
V
-- 300 -- k
--
--
1
s
--
-- 200 ns
--
-- 200 ns
2
10 40 s
2
10 40 s
--
1.6
--
ms
Copyright © 2016 Richtek Technology Corporation. All rights reserved.
DS4723P-00 December 2016
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
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