參數(shù)資料
型號(hào)： PD780308
廠(chǎng)商： NEC Corp.
元件分類(lèi)： DC/DC變換器
英文描述： 1 watt dc-dc converters
中文描述： 1瓦的DC - DC轉(zhuǎn)換器
文件頁(yè)數(shù)： 34/72頁(yè)
文件大?。?/td> 510K
代理商： PD780308
34
m
PD78042F, 78043F, 78044F, 78045F
10. ELECTRICAL SPECIFICATIONS
ABSOLUTE MAXIMUM RATINGS
(T
A
= 25 °C)
Parameter
Symbol
Conditions
Rating
Unit
Power supply
voltage
V
DD
V
LOAD
AV
DD
AV
REF
AV
SS
Input voltage
V
I1
P00-P04, P10-P17 (except when used as analog input pins),
P20-P27, P30-P37, X1, X2, XT2, RESET
V
I2
P70-P74
N-ch open drain
V
I3
P110-P117, P120-P127
P-ch open drain
Output voltage
V
O1
P01-P03, P10-P17, P20-P27, P30-P37
V
O2
P70-P74
V
O3
P80, P81, P90-P97, P100-P107, P110-P117, P120-P127
Analog input voltage
V
AN
ANI0-ANI7
Analog input pin
Output current,
high
I
OH
P01-P03, P10-P17, P20-P27, P30-P37 per pin
P01-P03, P10-P17, P20-P27, P30-P37 total
P80, P81, P90-P97, P100-P107, P110-P117, P120-P127 per pin
P80, P81, P90-P97, P100-P107, P110-P117, P120-P127 total
Output current,
low
I
OL
P01-P03, P10-P17, P20-P27, P30-P37,
Peak value
P70-P74 per pin
rms value
P70-P74 total
Peak value
rms value
P01-P03, P10-P17, P20-P27, P30-P37 total
Peak value
rms value
Total power
P
T
Note 3
T
A
= –40 to +60 °C
dissipation
T
A
= +85 °C
Operating
ambient
temperature
T
A
Storage
temperature
T
stg
–0.3 to +7.0
V
DD
– 40 to V
DD
+ 0.3
–0.3 to V
DD
+ 0.3
–0.3 to V
DD
+ 0.3
–0.3 to +0.3
–0.3 to V
DD
+ 0.3
–0.3 to +16
Note 1
V
DD
– 40 to V
DD
+ 0.3
–0.3 to V
DD
+ 0.3
–0.3 to +16
Note 1
V
DD
– 40 to V
DD
+ 0.3
AV
SS
– 0.3 to AV
REF
+ 0.3
–10
–30
–30
–120
30
15
Note 2
100
60
Note 2
50
20
Note 2
800
600
–40 to +85
–65 to +150
V
V
V
V
V
V
V
V
V
V
V
V
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mW
mW
°C
°C
Caution Exposure to Absolute Maximum Ratings for extended periods may affect device reliability;
exceeding the ratings could cause permanent damage. The parameters apply independently. The
device should be operated within the limits specified under DC and AC Characteristics.
Remark
Unless otherwise specified, the characteristics of a shared pin are the same as those of a port pin.
Notes 1.
For pins to which pull-up resistors are connected by the mask option, the rating is –0.3 to V
DD
+ 0.3.
2.
To obtain the rms value, calculate [rms value] = [peak value]
￥
√
duty.
#
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