an30181a Panasonic Corporation of North America, an30181a Datasheet - Page 11

• Manufacturer Part Number: an30181a
• Description: General-purpose Power Management Lsi
• Manufacturer: Panasonic Corporation of North America

AN30181A
Notes) T
[DCDC1] (1.2 V step-down DC-DC converter)
[DCDC2] (1.8 V step-down DC-DC converter)
No.
43
44
45
46
47
48
49
50
51
52
53
54
55
56
B
C = 10 μF (Murata : GRM21BB31A106K)
L = 2.2 μH (Taiyo Yuden : NR3012T2R2M or TDK : MLP2520S2R2S or FDK : MIPSA2520D2R2)
C = 10 μF (Murata : GRM21BB31A106K)
L = 2.2 μH (Taiyo Yuden : NR3012T2R2M or TDK : MLP2520S2R2S or FDK : MIPSA2520D2R2)
Electrical Characteristics (Reference values for design) (continued) at V
BUF line regulation
BUF load regulation
BUD output current limit
BUF PSRR
BUF load transient response 1
BUF load transient response 2
BUF discharge resistance
BUF start time
Reset delay
PCNT sink current
Timer latch time
DCDC1 Ground-short detection
voltage
DCDC2 Ground-short detection
voltage
TSD operating temperature
The characteristics listed below are reference values derived from the design of the IC and are not guaranteed by inspection.
If a problem does occur related to these characteristics, we will respond in good faith to user concerns.
a
= 25°C±2°C unless otherwise specified.
Parameter
BUFREGLD
BUFDVAC1
BUFDVAC2
BUFREGIN
BUFTSTU
BUFILMT
BUFRDIS
TLATCH
RSTDLY
BUFPSR
DD1SCP
DD2SCP
Symbol
IPCNT
TJSO
V
I
BUF = 0V
I
f = 10 kHz
I
Δt = 1 μs
I
Δt = 1 μs
EN = 0 V
I
The time until 90% from 10%
of target value.
PCNT = 3.3 V
FB1 = 1.2 V → 0 V
FB2 = 1.8 V → 0 V
Temperature error detection
I
OUT(BUF)
OUT(BUF)
OUT(BUF)
OUT(BUF)
OUT(BUF)
OUT(BUF)
IN
= 2.9V → 5.5V
Ver. AEB
Conditions
= 10 μA → 10 mA
= 10 μA
= 10 μA → 10 mA
= 10 mA → 10 μA
= 0 A
= 10 μA
—
—
IN
1.25
Min
130
= 3.3 V
0.6
0.5
0.8
—
—
—
—
—
—
—
20
5
Reference values
Typ
–50
160
100
160
2.5
0.6
0.9
10
80
50
30
0
5
1
Max
3.75
–20
300
200
120
200
190
1.4
0.7
1.0
10
20
20
40
Unit
mV
mV
mA
mV
mV
μA
dB
ms
ms
°C
μs
Ω
V
V
Notes
—
—
—
—
—
—
—
—
—
—
—
—
—
—
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