參數(shù)資料
型號(hào): TPS61221DCKR
廠(chǎng)商: TEXAS INSTRUMENTS INC
元件分類(lèi): 穩(wěn)壓器
英文描述: 0.4 A BATTERY CHARGE CONTROLLER, PDSO6
封裝: GREEN, PLASTIC, SC-70, 6 PIN
文件頁(yè)數(shù): 16/22頁(yè)
文件大?。?/td> 1333K
代理商: TPS61221DCKR
ELECTRICAL CHARACTERISTICS
www.ti.com ............................................................................................................................................................................................... SLVS776 – JANUARY 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
VIN
Input voltage range
0.7
5.5
V
VIN
Minimum input voltage at startup
RLoad ≥ 150
0.7
V
VOUT
TPS61220 output voltage range
VIN < VOUT
1.8
5.5
V
VFB
TPS61220 feedback voltage
483
500
513
mV
VOUT
TPS61221 output voltage (3.3V)
VIN < VOUT
3.20
3.30
3.41
V
VOUT
TPS61222 output voltage (5V)
VIN < VOUT
4.82
5.00
5.13
V
ILH
Inductor current ripple
200
mA
VOUT = 3.3 V, VIN = 1.2 V, TA = 25 °C
240
400
mA
ISW
switch current limit
VOUT = 3.3 V
200
400
mA
VOUT = 3.3 V
1000
m
RDSon_HSD
Rectifying switch on resistance
VOUT = 5.0 V
700
m
VOUT = 3.3 V
600
m
RDSon_LSD
Main switch on resistance
VOUT = 5.0 V
550
m
Line regulation
VIN < VOUT
0.5 %
Load regulation
VIN < VOUT
0.5 %
VIN
0.5
0.9
A
Quiescent
IQ
IO = 0 mA, VEN = VIN = 1.2 V, VOUT = 3.3 V
current
VOUT
5
7.5
A
Shutdown
ISD
VIN
VEN = 0 V, VIN = 1.2 V, VOUT ≥ VIN
0.2
0.5
A
current
ILKG_VOUT
Leakage current into VOUT
VEN = 0 V, VIN = 1.2 V, VOUT = 3.3 V
1
A
ILKG_L
Leakage current into L
VEN = 0 V, VIN = 1.2 V, VL = 1.2 V, VOUT ≥ VIN
0.01
0.2
A
TPS61220 Feedback input
IFB
VFB = 0.5 V
0.01
A
current
IEN
EN input current
Clamped on GND or VIN (VIN < 1.5 V)
0.005
0.1
A
CONTROL STAGE
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIL
EN input low voltage
VIN ≤ 1.5 V
0.2 × VIN
V
VIH
EN input high voltage
VIN ≤ 1.5 V
0.8 × VIN
V
VIL
EN input low voltage
5 V > VIN > 1.5 V
0.4
V
VIH
EN input high voltage
5 V > VIN > 1.5 V
1.2
V
VUVLO
Undervoltage lockout threshold for turn off
VIN decreasing
0.5
0.7
V
Overvoltage protection threshold
5.5
7.5
V
Overtemperature protection
140
°C
Overtemperature hysteresis
20
°C
Copyright 2009, Texas Instruments Incorporated
3
Product Folder Link(s): TPS61220 TPS61221 TPS61222
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