參數(shù)資料
型號(hào): LTC2908
廠商: Linear Integrated Systems
英文描述: Precision Six Supply Monitor
中文描述: 精密六電源監(jiān)視器
文件頁(yè)數(shù): 6/16頁(yè)
文件大?。?/td> 171K
代理商: LTC2908
6
LTC2908
sn2908 2908fs
RST Output Voltage High (V
OH
) vs
RST Output Source Current (I
RST
)
LTC2908-A1
TYPICAL PERFOR U
OUTPUT SOURCE CURRENT, I
RST
(
μ
A)
0
R
O
3
4
–16
2908 G21
2
1
–4
–8
–12
–20
85
°
C
–40
°
C
5
25
°
C
V1 = 5.0V
V2 = 3.3V
V3 = 2.5V
V4 = 1.8V
V
ADJ1
= V
ADJ2
= 0.55V
RST Output Voltage High (V
OH
) vs
RST Output Source Current (I
RST
)
LTC2908-B1
OUTPUT SOURCE CURRENT, I
RST
(
μ
A)
0
0.5
R
O
1.0
1.5
2.0
2.5
3.0
–2
–4
–6
–8
2908 G22
–10
–12
85
°
C
–40
°
C
25
°
C
V1 = 3.3V
V2 = 2.5V
V3 = 1.8V
V4 = 1.5V
V
ADJ1
= V
ADJ2
= 0.55V
PIU
V2 (Pin 1/Pin 4):
Voltage Input 2. The greater of V1, V2 is
also the internal V
CC
. The operating voltage on this pin
shall not exceed 6V. When in normal operation (V1 > V2),
this pin draws approximately 8
μ
A. When this pin is acting
as the V
CC
(V2 > V1), this pin draws an additional 15
μ
A.
Bypass this pin to ground with a 0.1
μ
F (or greater)
capacitor.
V4 (Pin 2/Pin 3):
Voltage Input 4.
RST (Pin 3/Pin 2):
Reset Logic Output. Pulls low when any
voltage input is below the reset threshold and is held low
for 200ms after all voltage inputs are above threshold. This
pin has a weak pull-up to V
CC
and may be pulled above V
CC
using an external pull-up.
GND (Pin 4/Pin 1):
Device Ground.
(TS8 Package/DDB8 Package)
V
ADJ2
(Pin 5/Pin 8):
Adjustable Voltage Input 2. See
Table 1 for recommended ADJ resistors values.
V3 (Pin 6/Pin 7):
Voltage Input 3.
V
ADJ1
(Pin 7/Pin 6):
Adjustable Voltage Input 1. See
Table 1 for recommended ADJ resistors values.
V1 (Pin 8/Pin 5):
Voltage Input 1. The greater of V1, V2 is
also the internal V
CC
. The operating voltage on this pin
shall not exceed 6V. When in normal operation (V1 > V2),
this pin draws approximately 21
μ
A. When this pin is not
acting as the V
CC
(V2 > V1), this pin draws approximately
8
μ
A. Bypass this pin to ground with a 0.1
μ
F (or greater)
capacitor.
Exposed Pad (Pin 9, DDB8 Only):
Exposed Pad may be left
open or connected to device ground.
相關(guān)PDF資料
PDF描述
LTC2908CDDB-A1 Precision Six Supply Monitor
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LTC2908IDDB-A1 Precision Six Supply Monitor
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