參數(shù)資料
型號(hào): 935269148518
廠商: NXP SEMICONDUCTORS
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8
封裝: 3.90 MM, PLASTIC, MS-012, SOT-96, SO-8
文件頁數(shù): 5/16頁
文件大?。?/td> 178K
代理商: 935269148518
Philips Semiconductors
Product data
NE56605-42
System reset with built-in watchdog timer
2001 Aug 22
13
SL01285
8
6
5
7
CRT
20pF
CRT
AC
B
AC
B
4
2
3
1
CRT
VCLKA
CRT3
VCLK
S2
VCCA
R
10 k
CRT2
0.1
F
CT
RESET
CLK
GND
CRT4
S1
VCC
RCT
VS
RESET
VCC
R
2.2 k
100 pF
CRT1
Figure 24. Test Circuit 2 (AC parameters).
Table 2. Switch and power supply settings, AC parameters
Parameter
Symbol
S1
S2
VCCA
VCC
VCLKA
VCLK
CRT
VCC pulse width for
detection (Note 1)
tP1
C
5.0 V
4.0 V
t1
t2
1.4 V
0 V
t3
1, 2, 3
Clock input pulse width
(Note 2)
tCLKW
A
C
5.0 V
t2
1.4 V
0 V
t2
1, 2, 3
Clock input cycle
(Note 3)
tCLK
A
C
5.0 V
t2
1.4 V
0 V
t3
1, 2, 3
Watchdog monitoring
time
tWDM
A
5.0 V
5.0 V
1, 2, 3
Watchdog reset time
tWDR
A
5.0 V
5.0 V
1, 2, 3
Power-on reset delay
time
tPR
B to A
A
5.0 V
5.0 V
1, 2, 3
RESET, RESET
propagation delay time
tPD1
C
B
5.0 V
4.0 V
0 V
1, 2
tPD2
C
B
5.0 V
4.0 V
0 V
2, 3
RESET, RESET rise time
tR1
A
5.0 V
5.0 V
1
tR2
A
5.0 V
5.0 V
3
RESET, RESET fall time
tF1
A
5.0 V
5.0 V
1
tF2
A
5.0 V
5.0 V
3
NOTES:
1. t1 = 8.0 s.
2. t2 = 3.0 s.
3. t3 = 20 s.
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PDF描述
935269503115 0.3 A SWITCHING CONTROLLER, 115 kHz SWITCHING FREQ-MAX, PDSO5
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