參數(shù)資料
型號(hào): LT8500IUHH#TRPBF
廠商: Linear Technology
文件頁(yè)數(shù): 19/24頁(yè)
文件大?。?/td> 0K
描述: IC PWM GENERATOR 56-QFN
標(biāo)準(zhǔn)包裝: 2,500
類型: PWM 發(fā)生器
PLL: 無(wú)
主要目的: LED 照明
輸入: CMOS,TTL
輸出: CMOS,TTL
電路數(shù): 1
比率 - 輸入:輸出: 0.075
差分 - 輸入:輸出: 無(wú)/無(wú)
頻率 - 最大: 50MHz
電源電壓: 3 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 56-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 56-QFN-EP(5x9)
包裝: 帶卷 (TR)
LT8500
4
8500f
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LT8500E is guaranteed to meet performance specifications
from 0°C to 125°C junction temperature. Specifications over the –40°C
to 125°C operating junction temperature range are assured by design,
characterization and correlation with statistical process controls. The
LT8500I is guaranteed over the full –40°C to 125°C operating junction
temperature range.
Note 3: Propagation delays, setup/hold times and hi times are measured
from 50% to 50%.
Note 4: This parameter is correlated to lab measurements and is not
subject to production testing.
TiMing characTerisTics The
l
denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at TA = 25°C. VCC = 3.3V, and all inputs are rail-to-rail unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
tPD-PWM
PWMCK-PWM[48:1] Propagation Delay
(Note 3)
PWMCK
↑ – PWM ↑↓ (Figure 5)
l
32
50
ns
tR-SDO
SDO, SCKO Rise Time (Note 4)
CLOAD = 25pF, 30% to 70%
2
ns
tF-SDO
SDO, SCKO Fall Time (Note 4)
CLOAD = 25pF, 70% to 30%
2
ns
tR-PWM
PWM[48:1] Rise Time (Note 4)
CLOAD = 25pF, 30% to 70%
12
ns
tF-PWM
PWM[48:1] Fall Time (Note 4)
CLOAD = 25pF, 70% to 30%
12
ns
TiMing DiagraM
SCKI
8500 TD01
SDI
LDIBLANK
SDO
SCKO
tSU-SDI
tHD-SDI
tSU-LDI
tWH-LDI
tHD-LDI
1/fSCKI
tWH-SCKI
tWL-SCKI
tPD-SDO
tHD-SDO
tPD-SCK
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