參數(shù)資料
型號(hào): TPS61071DDC
廠商: Texas Instruments, Inc.
英文描述: 90% EFFICIENT SYNCHRONOUS BOOST CONVERTER WITH 600-mA SWITCH
中文描述: 90%高效同步升壓轉(zhuǎn)換器和600毫安開關(guān)
文件頁(yè)數(shù): 3/21頁(yè)
文件大?。?/td> 633K
代理商: TPS61071DDC
www.ti.com
ELECTRICAL CHARACTERISTICS
over recommended free-air temperature range and over recommended input voltage range (typical at an ambient temperature
range of 25
°
C) (unless otherwise noted)
TPS61070
TPS61071
SLVS510–JUNE 2004
DC/DC STAGE
PARAMETER
Minimum input voltage range for
start-up
Input voltage range, after start-up
TPS61070 output voltage range
TPS61070 feedback voltage
Oscillator frequency
Switch current limit
Start-up current limit
SWN switch-on resistance
SWP switch-on resistance
Total accuracy (including line and
load regulation)
Line regulation
Load regulation
TEST CONDITIONS
MIN
TYP
MAX
UNIT
R
L
= 270
1.1
1.2
V
I
V
T
A
= 25
°
C
0.9
1.8
495
960
500
5.5
5.5
505
1440
700
V
O
V
(FB)
f
I
(SW)
V
500
1200
600
mV
kHz
mA
mA
m
m
VOUT= 3.3 V
0.5 x I
SW
VOUT= 3.3 V
VOUT= 3.3 V
480
600
3%
1%
1%
VBAT
VOUT
0.5
19
0.05
1
μA
μA
μA
I
= 0 mA, V
= VBAT = 1.2 V,
VOUT = 3.3 V, T
A
= 25
°
C
V
(EN)
= 0 V, VBAT = 1.2 V, T
A
= 25
°
C
Quiescent current
30
0.5
Shutdown current
CONTROL STAGE
PARAMETER
Undervoltage lockout threshold
TEST CONDITIONS
MIN
TYP
0.8
MAX
UNIT
V
V
V
(UVLO)
V
(LBI)
voltage decreasing
0.2
×
VBAT
V
IL
EN input low voltage
0.8
×
VBAT
V
V
IH
EN input high voltage
EN input current
Overtemperature protection
Overtemperature hysteresis
Clamped on GND or VBAT
0.01
140
20
0.1
μA
°
C
°
C
3
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