RT4832A Datasheet, PDF (9/26 Pages) Richtek Technology Corporation – Sub PMIC with Dual-Output Boost Converter

Typical Operating Characteristics
DSV Power On
VLCM
(2V/Div) VLCM
VPOS
(2V/Div)
VCPOUT
(2V/Div)
I_IN
I_IN
(500mA/Div)
VPOS
VCPOUT
Time (1ms/Div)
RT4832A
VLCM
(2V/Div)
VPOS
(2V/Div)
VCPOUT
(2V/Div)
I_IN
(500mA/Div)
DSV Power off with Discharge
VLCM
VPOS
VCPOUT
I_IN
Time (1ms/Div)
VPOS
(20mV/Div)
offset(5V)
VCPOUT
(20mV/Div)
offset (-5V)
I_IN
(50mA/Div)
VPOS
(20mV/Div)
offset(5V)
VCPOUT
(20mV/Div)
offset (-5V)
DSV Load Transient
Time (2ms/Div)
DSV Ripple 50mA
Time (500s/Div)
Copyright © 2017 Richtek Technology Corporation. All rights reserved.
DS4832A-00 January 2017
VPOS
(20mV/Div)
offset(5V)
VCPOUT
(20mV/Div)
offset (-5V)
DSV Ripple 0mA
1.0
0.8
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
-0.8
-1.0
0
Time (10ms/Div)
DSV Accuracy_POS
V_IN = 3.7V, 0x0C = 0x48, 0x0D = 0x18,
0x0E = 0x14, 0x0F = 0x14
2.5V
3V
3.5V
4V
4.5V
10
20
30
40
DAC Code
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
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