參數(shù)資料
型號(hào)： TPS65820RSHTG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： 8-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC56
封裝： 7 X 7 MM, GREEN, PLASTIC, QFN-56
文件頁(yè)數(shù)： 8/98頁(yè)
文件大?。?/td> 2290K
代理商： TPS65820RSHTG4
ELECTRICAL CHARACTERISTICS – LED AND PWM DRIVERS
Current range, Vin = 3.3 V,
I
O(SM3) +
V(SM3REF)
R
FB3
SLVS663B – MAY 2006 – REVISED APRIL 2008 .............................................................................................................................................................. www.ti.com
ELECTRICAL CHARACTERISTICS – ADC (continued)
Over recommended operating conditions (typical values at TJ = 25°C), V(ADC_REF) =2.535v if external reference voltage is
used,application circuit as in Figure 3 (unless otherwise noted).
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
INTERNAL REFERENCE POWER CONSUMPTION
PDACTIVE
Power dissipation
Conversion active
2.3
mW
PDARMED
Power dissipation
Not converting
0.43
mW
TRIGGER TIMING CHARACTERISTICS
tDELAY(TRG)
Trigger delay time accuracy
Time range, set via I2C register ADC_DELAY
0
750
uS
Relative to typical value set via I2C
–20%
20%
tWAIT(TRG)
Trigger wait time accuracy
Time range, set via I2C register ADC_WAIT
0
20.48
mS
Relative to typical value set via I2C
–20%
20%
Over recommended operating conditions (typical values at TJ = 25°C), application circuit as in Figure 3 (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SM3 BOOST CONVERTER, WHITE LED CONSTANT CURRENT DRIVER
VVIN(SM3)
Input Voltage range
V(OUT) = 3.3 V
3
4.7
V
VOVP3
Output overvoltage trip
OVP detected at V(SM3) > VOVP3
26.5
29
30
V
VHYS(OVP3)
Output overvoltage hysteresis
OVP not detected at V(SM3) < VOVP3 – VHYS(OVP3)
1.8
V
LED current below regulation point at
VSM3REF
LED current sense threshold
244
252
260
mV
V(FB3) < VSM3REF
0
25
mA
IO(SM3)
LED current
Total accuracy, IO(SM3) = 10 mA
–10%
10%
DSM3SW = 0% to 99.6%, set
DSM3SW
LED switch duty cycle
Duty cycle range
via I2C, 256 steps 0.4%
minimum step
SM3_LF_OSC = 0
122
LED switch duty cycle pattern
256 pulses within repetition
FREP_SM3
Hz
repetition rate
rate time
SM3_LF_OSC = 1
183
RDSON(SM3SW LED switch MOSFET
V(OUT) = 3.6 V; I(SM3SW) = 20 mA
1
2
)
on-resistance
ILKG(SM3SW)
LED switch MOSFET leakage
1
A
Power stage MOSFET
RDSON(L3)
V(OUT) = 3.6 V; I(L3) = 200 mA
300
600
m
on-resistance
ILKG(L3)
Power stage MOSFET leakage
1
A
Power stage MOSFET current
IMAX(L3)
3 V < V(OUT) < 4.7 V
400
500
600
mA
limit
PWM DRIVER, PWM OPEN DRAIN OUTPUT
VOL(PWM)
Low level output voltage
I(PWM)= 150 mA
0.5
V
Set via I2C, FPWM =
Frequency range
Hz
0.5/1/1.5/2/3/4.5/7.8/15.6
FPWM
PWM driver frequency
Total accuracy, relative to selected value
-20%
20%
DPWM = 6.25% to 100%,
DPWM
PWM driver duty cycle
Duty cycle range
set via I2C,
6.25% minimum step
LED_PWM DRIVER, LED_PWM OPEN DRAIN OUTPUT
DLEDPWM = 0% to 99.6%,
DLEDPWM
LED_PWM driver duty cycle
Duty cycle range
set via I2C, 256 steps
0.4% minimum step
SM3_LF_OSC = 0
122
LED_PWM driver duty cycle
256 pulses within repetition
FREP(LEDPWM)
Hz
pattern repetition rate
rate time
SM3_LF_OSC = 1
180
16
Copyright 2006–2008, Texas Instruments Incorporated
Product Folder Link(s): TPS65820
相關(guān)PDF資料
PDF描述
TPS65910RSLT POWER SUPPLY SUPPORT CKT, PQCC48
TPS65920A2ZCHR SPECIALTY CONSUMER CIRCUIT, PBGA139
TPS65920A2ZCH SPECIALTY CONSUMER CIRCUIT, PBGA139
TPS65920BZCHR SPECIALTY CONSUMER CIRCUIT, PBGA139
TPS65920BZCH SPECIALTY CONSUMER CIRCUIT, PBGA139
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS658310YFFR 功能描述:PMIC 解決方案 PMU w/Switching Chgr & Lighting Cntrl RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
TPS65835EVM-705 功能描述:電源管理IC開發(fā)工具 TPS65835 Eval Mod RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
TPS65835RKPR 功能描述:PMIC 解決方案 Adv PMU w/Integrated MSP430 RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
TPS65835RKPT 功能描述:PMIC 解決方案 ADVANCED PMU RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
TPS65851ZQZR 制造商:Texas Instruments 功能描述:
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*