參數(shù)資料
型號: ISL88017IHTZ-T
廠商: INTERSIL CORP
元件分類: 電源管理
英文描述: 6-Pin Voltage Supervisors with Pin- Selectable Voltage Trip Points
中文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6
封裝: ROHS COMPLIANT, TSOT-23, 5 PIN
文件頁數(shù): 6/7頁
文件大?。?/td> 198K
代理商: ISL88017IHTZ-T
6
FN6141.0
December 22, 2006
Manual Reset
The manual reset input (MR) allows the user to trigger a
reset by using a push-button switch. The MR input is an
active low debounced input. By connecting a push-button
directly from MR to ground, the designer adds manual
system reset capability (see Figure 3). Reset is asserted if
the MR pin is pulled low to less than 100mV for 10μs or
longer while the push-button is closed. After MR is released,
the reset outputs remain asserted for t
POR
(200ms) and then
released.
Using the ISL88016/17EVAL1Z Platform
The ISL88016/17EVAL1Z platform is provided with both an
ISL88016 in the top and an ISL88017 in the bottom
positions. Each IC is default programmed to VSET1, VSET2
and VSET3 = FLOAT but provided with jumpers to change
the Vth level by individually connecting the three VSET pins
to either V
DD
(1) or GND (0). To the left of the circuits is a
VSET programming table for easy reference. Provide
adequate bias to V
DD
to deassert RESET signal. See
Figure 4 for the ISL88016/17EVAL1Z schematic and
Figure 5 for its photograph.
RST/MR
PB
ISL88016
ISL88017
FIGURE 3. CONNECTING A MANUAL RESET PUSH-BUTTON
FIGURE 4. ISL88016/17EVAL1Z SCHEMATIC
FIGURE 6. SAMPLED V
TH
% TO TARGET OVER TEMP
FIGURE 7. I
DD
OVER TEMP
FIGURE 8. t
POR
OVER TEMP
FIGURE 5. ISL88016/17EVAL1Z PHOTOGRAPH
-1.3
-1.1
-0.9
-0.7
-0.5
-0.3
-0.1
0.1
-40
-30
-20
-10
0
10
25
35
45
55
65
75
85
TEMPERATURE (oC)
V
TARGET 0%
88017_3.55V
88017_4.55V
88017_2.25V
88016_2.25V
88016_2.80V
88016_1.75V
0.00
1.00
2.00
3.00
4.00
5.00
6.00
-40
-30
-20
-10
0
10
25
35
45
55
65
75
85
TEMPERATURE (
o
C)
B
V
DD
= 2.5V
V
DD
= 5V
V
DD
= 1.8V
V
DD
= 3.3V
193
194
195
196
197
198
199
200
201
202
203
204
-40
-30
-20
-10
0
10
25
35
45
55
65
75
85
TEMPERATURE (
o
C)
t
P
V
DD
= 5V
V
DD
= 3.3V
ISL88016, ISL88017
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