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參數(shù)資料
| 型號： | SP782CT |
| 英文描述： | Programmable Charge Pump |
| 中文描述： | 可編程電荷泵 |
| 文件頁數(shù)： | 4/16頁 |
| 文件大?。?/td> | 224K |
| 代理商： | SP782CT |
4
SP782/SP784 DS/08
SP782/784 Programmable Charge Pump
Copyright 2000 Sipex Corporation
AC CHARACTERISTICS*
(Typical @ 25
°
C and nominal supply voltages unless otherwise noted)
PARAMETER
SP782 POWER-UP DELAY TIME
±
10V OUTPUT
t
DVDD
; V
DD
Power On Delay
t
DVSS
; V
SS
Power-On Delay
MIN.
TYP.
MAX.
UNITS
CONDITIONS
1000
1000
μ
s
μ
s
R
L
= 1k
R
L
= 1k
±
5V OUTPUT
t
DVDD
; V
DD
Power On Delay
t
DVSS
; V
SS
Power-On Delay
10
150
μ
s
μ
s
R
L
= 1k
R
L
= 1k
SP782 OUTPUT DELAY TIME
t
; Switching Delay
from
±
10V to
±
5V
t
; Switching Delay
from
±
5V to
±
10V
1000
μ
s
R
L
= 1k
500
μ
s
R
L
= 1k
SP784 POWER-UP DELAY TIME
±
10V OUTPUT
t
DVDD
; V
DD
Power On Delay
t
DVSS
; V
SS
Power-On Delay
5
5
ms
ms
R
L
= 1k
R
L
= 1k
±
5V OUTPUT
t
DVDD
; V
DD
Power On Delay
t
DVSS
; V
SS
Power-On Delay
10
1000
μ
s
μ
s
R
L
= 1k
R
L
= 1k
SP784 OUTPUT DELAY TIME
t
; Switching Delay
from
±
10V to
±
5V
t
; Switching Delay
from
±
5V to
±
10V
10
ms
R
L
= 1k
2
ms
R
L
= 1k
* - Using the charge pump capacitor values specified in the previous pages for each device.
Figure 1. Charge Pump Waveforms
–10V
+10V
C
2
+
C
2
–
(a)
(b)
C
+
+5V
GND
C
2
–5V
GND
–
GND
GND
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