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參數(shù)資料
| 型號： | TPS61071DDCT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.7 A BATTERY CHARGE CONTROLLER, 1440 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封裝： | PLASTIC, TSOT-23, 6 PIN |
| 文件頁數(shù)： | 17/23頁 |
| 文件大小： | 653K |
| 代理商： | TPS61071DDCT |
ELECTRICAL CHARACTERISTICS
www.ti.com .......................................................................................................................................................... SLVS510C – JULY 2006 – REVISED MARCH 2009
over recommended free-air temperature range and over recommended input voltage range (typical at an ambient temperature
range of 25°C) (unless otherwise noted)
DC/DC STAGE
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Minimum input voltage range for
start-up
RL = 270
1.1
1.2
(TPS61070, TPS61071, TPS61072)
Minimum input voltage range for
RL = 270
2.3
start-up (TPS61073)
VI
V
Input voltage range, after start-up
TA = 25°C
0.9
5.5
(TPS61070, TPS61071, TPS61072)
Input voltage range, after start-up
2.3
5.5
(TPS61073)
Output voltage range (TPS61070,
1.8
5.5
TPS61071, TPS61072)
VO
V
Output voltage range (TPS61073)
2.3
5.5
V(FB)
Feedback voltage
495
500
505
mV
Oscillator frequency (TPS61070,
960
1200
1440
TPS61071, TPS61073)
f
kHz
Oscillator frequency (TPS61072)
480
600
720
I(SW)
Switch current limit
VOUT= 3.3 V
500
600
700
mA
Start-up current limit
0.5 × ISW
mA
Boost switch-on resistance
VOUT= 3.3 V
480
m
Rectifying switch-on resistance
VOUT= 3.3 V
600
m
Total accuracy (including line and
3%
load regulation)
Line regulation
1%
Load regulation
1%
Quiescent current
VBAT
0.5
1
A
IO = 0 mA, V(EN) = VBAT = 1.2 V,
(TPS61070, TPS61071,
VOUT = 3.3 V, TA = 25°C
VOUT
19
30
A
TPS61072)
VBAT
1
1.5
A
Quiescent current
IO = 0 mA, V(EN) = 1.8 V, VBAT = 2.4 V,
(TPS61073)
VOUT = 5 V, TA = 25°C
VOUT
30
50
A
Shutdown current (TPS61070,
V(EN) = 0 V, VBAT = 1.2 V, TA = 25°C
0.05
0.5
A
TPS61071, TPS61072)
Shutdown current (TPS61073)
V(EN) = 0 V, VBAT = 3.6 V, TA = 25°C
0.05
1.5
A
CONTROL STAGE
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V(UVLO)
Undervoltage lockout threshold
V(BAT) voltage decreasing
0.8
V
EN input low voltage
0.2 × VBAT
(TPS61070, TPS61071, TPS61072)
VIL
EN input low voltage (TPS61073)
0.4
V
EN input high voltage
0.8 × VBAT
(TPS61070, TPS61071, TPS61072)
VIH
EN input high voltage (TPS61073)
1.2
V
EN input current
Clamped on GND or VBAT
0.01
0.1
A
(TPS61070, TPS61071, TPS61072)
EN input current (TPS61073)
Clamped on GND or VBAT
0.01
0.3
A
Overtemperature protection
140
°C
Overtemperature hysteresis
20
°C
Copyright 2006–2009, Texas Instruments Incorporated
3
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| TPS61071-Q1 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:90% EFFICIENT SYNCHRONOUS BOOST CONVERTER WITH 600-mA SWITCH |
| TPS61071TDDCRQ1 | 功能描述:直流/直流開關轉(zhuǎn)換器 AC Adj,600mA Sw,90% Eff PWM Boost Cnvrtr RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
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| TPS61072DDC | 制造商:TI 制造商全稱:Texas Instruments 功能描述:90% EFFICIENT SYNCHRONOUS BOOST CONVERTER WITH 600-mA SWITCH |
| TPS61072DDCR | 功能描述:直流/直流開關調(diào)節(jié)器 PFM/PWM Boost Conveter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
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