RT8239A/B/C
13
DS8239A/B/C-06 October 2012
www.richtek.com
©
Copyright 2012 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation.
V
OUT2
Output Voltage vs. Load Current
3.372
3.378
3.384
3.390
3.396
3.402
3.408
3.414
3.420
0.001
0.01
0.1
1
10
Load Current (A)
O
u
tput
Vol
tage (
V
)
V
IN
= 12V, R
TON
= 100k
Ω
, ENLDO = VIN,
V
ENTRIP1
= 5V, V
ENTRIP2
= 1.5V
ASM
DEM
V
OUT1
Output Voltage vs. Load Current
5.010
5.013
5.016
5.019
5.022
5.025
5.028
5.031
5.034
0.001
0.01
0.1
1
10
Load Current (A)
O
u
tput
Vol
tage (
V
)
V
IN
= 12V, R
TON
= 100k
Ω
, ENLDO = VIN,
V
ENTRIP1
= 1.5V, V
ENTRIP2
= 5V
ASM
DEM
Standby Input Current vs. Input Voltage
226
228
230
232
234
236
238
240
6
8
10
12
14
16
18
20
22
24
26
Input Voltage (V)
St
andby I
nput
C
u
rr
ent
(
μ
A)
1
V
ENTRIP1
= V
ENTRIP2
= 5V, ENLDO = VIN, No Load
LDO5 Output Voltage vs. Output Current
5.048
5.052
5.056
5.060
5.064
5.068
5.072
0
10
20
30
40
50
60
70
80
90
100
Output Current (mA)
O
u
tp
ut
V
o
ltage (
V
)
V
IN
= 12V, V
ENTRIP1
= V
ENTRIP2
= 5V, ENLDO = VIN
LDO3 Output Voltage vs. Output Current
3.334
3.336
3.338
3.340
3.342
3.344
3.346
3.348
3.350
3.352
3.354
0
10
20
30
40
50
60
70
80
90
100
Output Current (mA)
O
u
tp
ut
V
o
ltage (
V
)
V
IN
= 12V, V
ENTRIP1
= V
ENTRIP2
= 5V, ENLDO = VIN
No Load Battery Current vs. Input Voltage
0.1
1
10
100
6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
Input Voltage (V)
B
a
tter
y C
u
rr
ent
(
m
A
)
R
TON
= 100k
Ω
, V
ENTRIP1
= V
ENTRIP2
=1.5V,
EVLDO = VIN
ASM
DEM
