參數(shù)資料
型號(hào): UPD78045F
廠商: NEC Corp.
元件分類: 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): 45/72頁(yè)
文件大?。?/td> 510K
代理商: UPD78045F
45
m
PD78042F, 78043F, 78044F, 78045F
DC CHARACTERISTICS
(T
A
= –40 to +85 °C, V
DD
= 2.7 to 5.5 V)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Power supply
current
Note 1
I
DD1
5.0 MHz crystal oscillation
Operating mode
V
DD
= 5.0 V ±10 %
Note 2
7.2
21.6
mA
V
DD
= 3.0 V ±10 %
Note 3
0.9
2.7
mA
I
DD2
5.0 MHz crystal oscillation
HALT mode
V
DD
= 5.0 V ±10 %
1.3
3.9
mA
V
DD
= 3.0 V ±10 %
550
1650
m
A
I
DD3
32.768 kHz crystal oscillation
Operating mode
Note 4
V
DD
= 5.0 V ±10 %
60
120
m
A
V
DD
= 3.0 V ±10 %
35
70
m
A
I
DD4
32.768 kHz crystal oscillation
HALT mode
Note 4
V
DD
= 5.0 V ±10 %
25
50
m
A
V
DD
= 3.0 V ±10 %
5
10
m
A
I
DD5
XT1 = 0 V
STOP mode
Feedback resistor connected
V
DD
= 5.0 V ±10 %
1
20
m
A
V
DD
= 3.0 V ±10 %
0.5
10
m
A
I
DD6
XT1 = 0 V
STOP mode
Feedback resistor not connected
V
DD
= 5.0 V ±10 %
0.1
20
m
A
V
DD
= 3.0 V ±10 %
0.05
10
m
A
Notes 1.
This current excludes the AV
REF
current, port current, and current which flows in the built-in pull-down
resistor (mask option).
2.
When operating at high-speed mode (when the processor clock control register (PCC) is set to 00H)
3.
When operating at low-speed mode (when the PCC is set to 04H)
4.
When the main system clock is stopped
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