參數(shù)資料
型號(hào): DS1875T+T&R
廠商: Maxim Integrated Products
文件頁數(shù): 4/92頁
文件大?。?/td> 0K
描述: IC SFP CTRLR/TRIPLEXER 38-TQFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
應(yīng)用: 光纖
接口: I²C
電源電壓: 2.85 V ~ 3.9 V
封裝/外殼: 38-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 38-TQFN(5x7)
包裝: 帶卷 (TR)
安裝類型: 表面貼裝
DS1875
PON Triplexer and SFP Controller
12
______________________________________________________________________________________
PWM DAC DNL
DS1875
toc19
DAC SETTING (DEC)
DAC
DNL
(LSB)
224
192
32
64
96
128 160
-0.75
-0.50
-0.25
0
0.25
0.50
0.75
1.00
-1.00
0
256
PWM DAC INL
DS1875
toc20
DAC SETTING (DEC)
DAC
INL
(LSB)
224
192
32
64
96
128 160
-0.75
-0.50
-0.25
0
0.25
0.50
0.75
1.00
-1.00
0
256
M3QT DAC DNL
DS1875
toc21
DAC SETTING (DEC)
DAC
DNL
(LSB)
224
192
32
64
96
128 160
-0.75
-0.50
-0.25
0
0.25
0.50
0.75
1.00
-1.00
0
256
M3QT DAC INL
DS1875
toc22
DAC SETTING (dec)
DAC
INL
(LSB)
224
192
32
64
96
128 160
-0.75
-0.50
-0.25
0
0.25
0.50
0.75
1.00
-1.00
0
256
SW CURRENT INTO BSS123 FET
FREQUENCY = 1050kHz 50% DUTY CYCLE
DS1875 toc23
100ns/div
0V
1V/div
0mA
10mA/div
SW
CURRENT
SW
PWM DAC CHANGING FROM 00h TO 80h
RCOMP = 24.3k
Ω, CCOMP = 220nF
DS1875 toc24
5ms/div
0V
20V/div
0V
10%/div
0%
200mV/div
VOUT
COMP
DUTY CYCLE
FB
SWITCHING WAVEFORMS
VIN = 3.3V, VOUT ~ 90V, IOUT ~ 1.25mA,
C2 = 0.1
μF
DS1875 toc25
2
μs/div
0V
5V/div
0V
0mA
50V/div
100mV/div
100mA/div
SW
INDUCTOR
VOLTAGE
INDUCTOR
CURRENT
VOUT RIPPLE (AC-COUPLED)
Typical Operating Characteristics (continued)
(VCC = +2.85V to +3.9V, TA = +25°C, unless otherwise noted.)
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