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參數(shù)資料
型號(hào): TPS65810RTQ
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: 9-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC56
封裝: 8 X 8 MM, ROHS COMPLIANT, PLASTIC, QFN-56
文件頁數(shù): 5/99頁
文件大小: 2128K
代理商: TPS65810RTQ
www.ti.com
ELECTRICAL CHARACTERISTICS – SWITCHED-MODE SM1 STEP-DOWN CONVERTER
SLVS658B – MARCH 2006 – REVISED FEBRUARY 2007
Over recommended operating conditions (typical values at TJ = 25°C), VO(SM1) = 1.24 V, application circuit Figure 3 (unless
otherwise noted).
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
IQ(SM1) = I(VIN_ SM1), no output load
Not switching
10
IQ(SM1)
Quiescent current for SM1
A
SM1 OFF, set via I2C
0.1
Vin = 4.2 v, Vout = 1.24 V (TPS65810)
600
IO(SM1)
Output current range
mA
Vin = 4.2 v, Vout = 1.24 V (TPS65811)
750
Available output
voltages: VO(SM1)TYP =
Output voltage, selectable via I2C, Standby OFF
0.6 V to 1.8 V,
adjustable in 40-mV
steps
V
Available output
voltages: VSBY(SM1) =
VO(SM1) = VSBY(SM1), Output voltage range, Standby ON
0.6 V to 1.8 V,
VO(SM1)
Output voltage, PWM mode
adjustable in 40-mV
steps
Total accuracy, VO(SM1)TYP = VSBY(SM1) = 1.24 V,
–3%
3%
V(VIN_SM1) = 3.0 V to 4.7 V; 0 mA
≤ IO(SM1) ≤ 600 mA
Line Regulation, V(VIN_SM1): 3.0
→ 4.70 V,
%/V
0.027
IO(SM1) = 10 mA
Load Regulation, V(VIN_SM1) = 4.7 V,
0.139
%/A
IO(SM1): 60 mA → 540 mA
P-channel MOSFET
RDSON(PSM1)
V(VIN_SM1) = 3.6 V, 100% duty cycle set
310
500
m
on-resistance
ILKG(PSM1)
P-channel leakage current
0.1
A
N-channel MOSFET
RDSON(NSM1)
V(VIN_SM1) = 3.6 V, 0% duty cycle set
220
330
m
on-resistance
ILKG(PSM1)
N-channel leakage current
5
A
3 V < V(VIN_SM1) < 4.7 V (TPS65810)
900
1050
1200
ILIM(SM1)
P- and N-channel current limit
mA
3 V < V(VIN_SM1) < 4.7 V (TPS65811)
1000
1200
1400
fS(SM1)
Oscillator frequency
PWM mode set
1.3
1.5
1.7
MHz
V(VIN_SM1) = 4.2 V, PWM mode, IO(SM1) = 300 mA,
EFF(SM1)
Efficiency
90%
VO(SM1) = 3 V
Converter OFF
→ON, VO(SM1): 5% → 95% of target
tSS(SM1)
Soft start ramp time
750
s
value
tDLY(SM1)
Converter turn-on delay
GPIO1 pin programmed as SM1 converter enable
170
s
control. Measured from V(GPIO1): LO
→ HI
Copyright 2006–2007, Texas Instruments Incorporated
13
Product Folder Link(s): TPS65810 TPS65811
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TPS65810RTQR 功能描述:電池管理 Int Sgl-Cell Lit-Ion Batt & Pwr Mgmt IC RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
TPS65810RTQRG4 功能描述:電池管理 Int Sgl-Cell Lit-Ion Batt & Pwr Mgmt IC RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
TPS65810RTQT 功能描述:電池管理 Int Sgl-Cell Lit-Ion Batt & Pwr Mgmt IC RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
TPS65810RTQTG4 功能描述:電池管理 Int Sgl-Cell Lit-Ion Batt & Pwr Mgmt IC RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
TPS65811RTQR 功能描述:電池管理 Integr S-C Li-Ion RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
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