參數(shù)資料
型號： UPD78078
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
文件頁數(shù)： 46/62頁
文件大?。?/td> 576K
代理商： UPD78078
46
μ
PD78001B(A), 78002B(A)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
Data retention
V
DDDR
2.0
6.0
V
supply voltage
Data retention
supply
current
V
DDDR
= 2.0 V
Subsystem clock stop and
feed-back resister disconnected
I
DDDR
0.1
10
μ
A
Release signal set time
t
SREL
0
μ
s
Oscillation stabilization
t
WAIT
Release by RESET
2
18
/fx
μ
s
wait time
Release by interrupt
*
μ
s
Data Memory Stop Mode Low Supply Voltage Data Retention Characteristics (T
A
= –40 to +85
°
C)
*
In combination with bits 0 to 2 (OSTS0 to OSTS2) of oscillation stabilization time select register, selection of 2
13
/fx and 2
15
/fx
to 2
18
/fx is possible.
Data Retention Timing (STOP Mode Release by RESET)
Data Retention Timing (Standby Release Signal: STOP Mode Release by Interrupt Signal)
t
SREL
t
WAIT
V
DD
RESET
STOP Instruction Execution
STOP Mode
Data Retension Mode
Internal Reset Operation
HALT Mode
Operating Mode
V
DDDR
t
SREL
t
WAIT
V
DD
STOP Instruction Execution
STOP Mode
Data Retension Mode
HALT Mode
Operating Mode
Standby Release Signal
(Interrupt Request)
V
DDDR
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