參數(shù)資料
型號(hào)： TPS61122PWRG4
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 穩(wěn)壓器
英文描述： 1.6 A BATTERY CHARGE CONTROLLER, 600 kHz SWITCHING FREQ-MAX, PDSO16
封裝： GREEN, PLASTIC, TSSOP-16
文件頁(yè)數(shù)： 23/31頁(yè)
文件大小： 867K
代理商： TPS61122PWRG4
www.ti.com
ELECTRICAL CHARACTERISTICS
TPS61120
TPS61122, TPS61121
SLVS427C – JUNE 2002 – REVISED APRIL 2004
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
VI
Input voltage range
1.8
5.5
V
Adjustable output voltage range
VO
2.5
5.5
V
(TPS61120)
Reference
Vref
485
500
515
mV
voltage
Oscillator
f
400
500
600
kHz
frequency
ISW
Switch current limit
VOUT= 3.3 V
1100
1300
1600
mA
Startup current
0.4 x ISW
mA
limit
SWN switch on resistance
VOUT= 3.3 V
200
350
m
SWP switch on resistance
VOUT= 3.3 V
250
500
m
Total accuracy (including line and
-3%
±3%
load regulation)
IO= 0 mA, VEN = VBAT = 1.8 V,
into VBAT
10
25
A
DC/DC
VOUT = 3.3 V, ENLDO = 0
quiescent
IO = 0 mA, VEN = VBAT = 1.8 V,
current
into VOUT
10
25
A
VOUT = 3.3 V, ENLDO = 0
DC/DC shutdown current
VEN= 0 V
0.2
1
A
LDO STAGE
VI(LDO)
Input voltage range
1.8
7
V
Adjustable output voltage range
VO(LDO)
0.9
5.5
V
(TPS61120)
IO(max)
Output current
200
320
mA
LDO short circuit current limit
500
mA
Minimum voltage drop
IO= 200 mA
300
mV
Total accuracy (including line and
IO≥ 1 mA
±3%
load regulation)
LDOIN change from 1.8 V to 2.6 V
Line regulation
0.6%
at 100 mA, LDOOUT = 1.5 V
Load change from 10% to 90%,
Load regulation
0.6%
LDOIN = 3.3 V
LDOIN = 7 V, VBAT = 1.8 V, EN =
LDO quiescent current
20
30
A
VBAT
LDO shutdown current
LDOEN = 0 V, LDOIN = 7 V
0.1
1
A
CONTROL STAGE
VIL
LBI voltage threshold
VLBI voltage decreasing
490
500
510
mV
LBI input hysteresis
10
mV
LBI input current
EN = VBAT or GND
0.01
0.1
A
LBO output low voltage
VO = 3.3 V, IOI = 100 A
0.04
0.4
V
LBO output low current
100
A
LBO output leakage current
VLBO = 7 V
0.01
0.1
A
VIL
EN, SKIPEN input low voltage
0.2
× VBAT
V
VIH
EN, SKIPEN input high voltage
0.8
×
V
VBAT
VIL
LDOEN input low voltage
0.2
× V
LDOIN
V
0.8
×
VIH
LDOEN input high voltage
V
VLDOIN
EN, SKIPEN input current
Clamped on GND or VBAT
0.01
0.1
A
3
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