RT8249D Datasheet, PDF (11/21 Pages) Richtek Technology Corporation – Dual-Channel Synchronous DC/DC Step-Down Controller with 5V/3.3V LDOs

RT8249D
Output Voltage 1 vs. Output Current
5.01
5.00
4.99
4.98
4.97
VIN = 7.4V
VIN = 11.1V
VIN = 14.8V
VIN = 20.5V
4.96
4.95
0.001
DEM, EN1 = LDO3, EN2 = 0V, BYP1 on
0.01
0.1
1
10
Output Current (A)
5.020
VLDO5 vs. ILDO5
5.018
5.016
5.014
5.012
5.010
5.008
5.006
5.004
5.002
5.000
0
DEM, VIN = 12V, EN1 = LDO3, EN2 = 0V, BYP1 off
10 20 30 40 50 60 70 80 90 100
ILDO5 (mA)
Quiescent Current vs. Input Voltage
30
25
20
15
10
5
DEM, EN1 = EN2 = LDO3, BYP1 on
0
5 7 9 11 13 15 17 19 21 23 25
Input Voltage (V)
Copyright ©2016 Richtek Technology Corporation. All rights reserved.
DS8249D-00 May 2016
Output Voltage 2 vs. Output Current
3.32
3.31
3.30
VIN = 7.4V
VIN = 11.1V
VIN = 14.8V
VIN = 20.5V
3.29
0.001
DEM, EN1 = 0V, EN2 = LDO3, BYP1 on
0.01
0.1
1
10
Output Current (A)
3.300
VLDO3 vs. ILDO3
3.298
3.296
3.294
3.292
3.290
3.288
3.286
3.284
3.282
3.280
0
DEM, VIN = 12V, EN1 = 0V , EN2 = LDO3, BYP1 off
10 20 30 40 50 60 70 80 90 100
ILDO3 (mA)
BYP1 Supply Current vs. Input Voltage
160
150
140
130
120
110
DEM, EN1 = EN2 = LDO3, BYP1 on
100
5 7 9 11 13 15 17 19 21 23 25
Input Voltage (V)
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