參數(shù)資料
型號(hào): TPS62676YFDR
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, PBGA6
封裝: 0.40 MM HEIGHT, DSBGA-6
文件頁(yè)數(shù): 22/28頁(yè)
文件大?。?/td> 750K
代理商: TPS62676YFDR
www.ti.com
SLVS952 – APRIL 2010
RECOMMENDED OPERATING CONDITIONS
MIN
NOM
MAX
UNIT
VI
Input voltage range
2.3
4.8(1)
V
IO
Output current range
0
500
mA
L
Inductance
0.3
1.8
H
CO
Output capacitance
1.4
2.5
12
F
TA
Ambient temperature
–40
+85
°C
TJ
Operating junction temperature
–40
+125
°C
(1)
Operation above 4.8V input voltage for extended periods may affect device reliability.
DISSIPATION RATINGS
(1)
POWER RATING
DERATING FACTOR
PACKAGE
RqJA
(2)
RqJB
(2)
TA ≤ 25°C
ABOVE TA = 25°C
YFD-6
125°C/W
53°C/W
800mW
8mW/°C
(1)
Maximum power dissipation is a function of TJ(max), qJA and TA. The maximum allowable power dissipation at any allowable ambient
temperature is PD = [TJ(max)–TA] / qJA.
(2)
This thermal data is measured with high-K board (4 layers board according to JESD51-7 JEDEC standard).
ELECTRICAL CHARACTERISTICS
Minimum and maximum values are at VI = 2.3V to 5.5V, VO = 1.8V, EN = 1.8V, AUTO mode and TA = –40°C to 85°C; Circuit
of Parameter Measurement Information section (unless otherwise noted). Typical values are at VI = 3.6V, VO = 1.8V, EN =
1.8V, AUTO mode and TA = 25°C (unless otherwise noted).
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY CURRENT
TPS62671
TPS62672
IO = 0mA. Device not switching
17
40
mA
TPS62676
Operating quiescent
TPS62677
IQ
current
TPS62671
IO = 0mA, PWM mode
5.5
mA
TPS62674
IO = 0mA, PWM mode
5.0
mA
I(SD)
Shutdown current
EN = GND
0.2
1
mA
UVLO
Undervoltage lockout threshold
2.05
2.1
V
ENABLE, MODE
High-level input
VIH
1.0
V
voltage
TPS62671
Low-level input
TPS62672
VIL
0.4
V
voltage
TPS62676
TPS62677
Input leakage
Ilkg
Input connected to GND or VIN
0.01
1.5
mA
current
High-level input
1.26
V
voltage (ENABLE)
VIH
High-level input
1.0
V
voltage (MODE)
TPS62674
Low-level input
VIL
0.54
V
voltage (ENABLE)
Input leakage
Ilkg
Input connected to GND or VIN
0.01
1.5
mA
current
Input capacitance
CIN
5
pF
(ENABLE)
Clock presence
4
27
MHz
detect frequency
EXTCLK
Clock presence
40
60
%
detect duty cycle
Copyright 2010, Texas Instruments Incorporated
3
Product Folder Link(s): TPS6267x
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