參數(shù)資料
型號: LT6109IMS-2#PBF
廠商: Linear Technology
文件頁數(shù): 27/28頁
文件大?。?/td> 0K
描述: IC AMP CURRENT SENSE 10MSOP
標(biāo)準(zhǔn)包裝: 50
類型: 放大器,比較器,參考
應(yīng)用: 電流感測,電源管理
安裝類型: 表面貼裝
封裝/外殼: 10-TFSOP,10-MSOP(0.118",3.00mm 寬)
供應(yīng)商設(shè)備封裝: 10-MSOP
包裝: 管件
LT6109-1/LT6109-2
8
610912fa
Comparator Rise/Fall Time
vs Pull-Up Resistor
Comparator Step Response
(5mV INC1 Overdrive)
Comparator Step Response
(100mV INC1 Overdrive)
Comparator Reset Response
SENSELO (Pin 1): Sense Amplifier Input. This pin must
be tied to the load end of the sense resistor.
EN/RST (Pin 2): Enable and Latch Reset Input. When the
EN/RST pin is pulled high the LT6109 is enabled. When the
EN/RST pin is pulled low for longer than typically 40s,
the LT6109 will enter the shutdown mode. Pulsing this pin
low for between 2s and 15s will reset the comparators
of the LT6109.
Comparator Propagation Delay
vs Input Overdrive
PIN FUNCTIONS
OUTC2 (Pin 3): Open-Drain Comparator 2 Output. Off-
state voltage may be as high as 60V above V, regardless
of V+ used.
OUTC1 (Pin 4): Open-Drain Comparator 1 Output. Off-
state voltage may be as high as 60V above V, regardless
of V+ used.
V(Pin 5): Negative Supply Pin. This pin is normally con-
nected to ground.
Comparator Output Leakage
Current vs Pull-Up Voltage
COMPARATOR OUTPUT PULL-UP VOLTAGE (V)
0
–2
OUTC1,
OUTC2
LEAKAGE
CURRENT
(nA)
3
8
13
18
23
125°C
10
20
30
40
610912 G28
50
60
–40°C AND 25°C
RC PULL-UP RESISTOR (k)
1
10
RISE/F
ALL
TIME
(ns)
100
1000
10000
10
100
1000
610912 G30
RISE TIME
FALL TIME
VOH = 0.9 VPULLUP
VOL = 0.1 VPULLUP
100mV INC1 OVERDRIVE
CL = 2pF
VINC
0.5V/DIV
0V
VOUTC
2V/DIV
0V
VEN/RST
5V/DIV
0V
610912 G31
5s/DIV
0V
VINC
0.5V/DIV
VOUTC
2V/DIV
VEN/RST
5V/DIV
0V
610912 G32
5s/DIV
0V
VOUTC
5V/DIV
VEN/RST
2V/DIV
0V
5s/DIV
610912 G33
Performance characteristics taken at TA = 25°C,
V+ = 12V, VPULLUP = V+, VEN/RST = 2.7V, RIN = 100Ω, ROUT = R1 + R2 + R3 = 10k, gain = 100, RC = 25.5k, CL = CLC = 2pF, unless
otherwise noted. (See Figure 3)
TYPICAL PERFORMANCE CHARACTERISTICS
COMPARATOR INPUT OVERDRIVE (mV)
0
COMPARATOR
PROPAGATION
DELAY
(s)
3.0
4.0
5.0
160
610912 G29
2.0
1.0
2.5
3.5
4.5
1.5
0.5
0
40
80
120
200
H TO L
L TO H
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