参数资料
型号: RP504K321A-E2
厂商: RICOH COMPANY LTD
元件分类: 稳压器
英文描述: 0.9 A SWITCHING CONTROLLER, 2550 kHz SWITCHING FREQ-MAX, PDSO6
封装: 1.20 X 1.60 MM, HALOGEN FREE AND ROHS COMPLIANT, DFN-6
文件页数: 13/29页
文件大小: 996K
代理商: RP504K321A-E2
RP504x
20
5) Supply Current vs. Temperature
6) Supply Current vs. Input Voltage
RP504x
VOUT=1.8V(VIN=5.5V)
RP504x
VOUT=1.8V
MODE=“L”PWM/VFM automatic shift
10
15
20
25
30
35
40
-50-25
0
25
50
75100
Tem perature Ta(°C)
S
u
p
ly
C
u
rre
n
t(
A
)
Clos ed Loop
Open Loop
10
15
20
25
30
35
40
22.5
33.5
44.5
55.5
Input Voltage VIN (V)
S
u
pp
ly
C
u
rr
en
t
(
A
)
Closed Loop
Open Loop
7) Output Ripple Voltage Vripple
RP504x
VOUT=0.8V(VIN=3.6V)
RP504x
VOUT=0.8V(VIN=3.6V)
MODE=“L”PWM/VFM automatic shift
MODE=“H” forced PWM
-0.01
0.00
0.01
0.02
0.03
0.04
0
5
10
15
20
Time t (s)
O
u
tp
ut
R
ipp
le
V
o
ltag
e
(A
C
)
V
rip
pl
e
(
V
)
-100
0
100
200
300
In
du
ct
or
Curr
en
tIL
(m
A)
Output Voltage
IL
IOUT=10mA
-0.01
0.00
0.01
0.02
0.03
0.04
012
34
5
6
7
8
9 10
Time t (s)
O
u
tp
ut
R
ipp
le
V
o
ltag
e
(
A
C
)
V
ri
ppl
e
(
V
)
-100
-50
0
50
100
In
du
ct
or
C
u
rr
ent
IL
(m
A)
Output Voltage
IL
IOUT=10mA
RP504x
VOUT=1.2V(VIN=3.6V)
RP504x
VOUT=1.2V(VIN=3.6V)
MODE=“L”PWM/VFM automatic shift
MODE=“H” forced PWM
-0.01
0.00
0.01
0.02
0.03
0.04
0
5
10
15
20
Time t (s)
O
u
tp
ut
R
ipp
le
V
o
ltag
e
(A
C
)
V
rip
ple
(V
)
-100
0
100
200
300
Ind
uc
to
r
Cu
rre
nt
IL
(mA)
Output Voltage
IL
IOUT=10mA
-0.01
0.00
0.01
0.02
0.03
0.04
01
2
345
67
8
9 10
Time t (s)
O
u
tp
ut
R
ipple
V
o
ltag
e
(A
C
)
V
ripple
(V
)
-100
-50
0
50
100
Induc
tor
Cu
rr
ent
IL
(m
A)
Output Voltage
IL
IOUT=10mA
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