參數(shù)資料
型號： TPS62677YFDR
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
文件頁數(shù)： 23/28頁
文件大?。?/td> 750K
代理商： TPS62677YFDR
SLVS952 – APRIL 2010
www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
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
POWER SWITCH
VI = V(GS) = 3.6V. PWM mode
170
m
rDS(on)
P-channel MOSFET on resistance
VI = V(GS) = 2.5V. PWM mode
230
m
Ilkg
P-channel leakage current, PMOS
V(DS) = 5.5V, -40°C ≤ TJ ≤ 85°C
1
mA
VI = V(GS) = 3.6V. PWM mode
120
m
rDS(on)
N-channel MOSFET on resistance
VI = V(GS) = 2.5V. PWM mode
180
m
Ilkg
N-channel leakage current, NMOS
V(DS) = 5.5V, -40°C ≤ TJ ≤ 85°C
2
mA
Discharge resistor for power-down
rDIS
70
150
sequence
P-MOS current limit
2.3V
≤ VI ≤ 4.8V. Open loop
900
1000
1150
mA
Input current limit under short-circuit
VO shorted to ground
12
mA
conditions
Thermal shutdown
140
°C
Thermal shutdown hysteresis
10
°C
OSCILLATOR
TPS62671
Oscillator center
TPS62672
IO = 0mA. PWM operation
5.4
6
6.6
MHz
frequency
TPS62676
fSW
TPS62677
Oscillator center
TPS62674
IO = 0mA. PWM operation
4.9
5.45
6.0
MHz
frequency
OUTPUT
2.3V
≤ VI ≤ 4.8V, 0mA ≤ IO ≤ 500 mA
0.98×VNOM
VNOM
1.03×VNOM
V
PFM/PWM operation
TPS62671
TPS62672
2.3V
≤ VI ≤ 5.5V, 0mA ≤ IO ≤ 500 mA
0.98×VNOM
VNOM
1.04×VNOM
V
TPS62676
PFM/PWM operation
Regulated DC
TPS62677
output voltage
2.3V
≤ VI ≤ 5.5V, 0mA ≤ IO ≤ 500 mA
0.98×VNOM
VNOM
1.02×VNOM
V
V(OUT)
PWM operation
2.3V
≤ VI ≤ 5.5V, 0mA ≤ IO ≤ 500 mA
TPS62674
0.98×VNOM
VNOM
1.02×VNOM
V
PWM operation
Line regulation
VI = VO + 0.5V (min 2.3V) to 5.5V, IO = 200 mA
0.23
%/V
TPS6267X
Load regulation
IO = 0mA to 500 mA. PWM operation
–0.00045
%/mA
Feedback input resistance
480
k
TPS62671
IO = 1mA, VO = 1.8 V
20
mVPP
Power-save mode
ΔVO
ripple voltage
TPS62677
IO = 1mA, VO = 1.2 V
24
mVPP
Power Supply
PSRR
TPS62671
f = 10kHz, IO = 150mA. PWM mode
TBD
dB
Rejection Ratio
TPS62671
IO = 0mA, Time from active EN to VO
130
ms
Start-up time
TPS62674
IO = 0mA, Time from EXTCLK clock active to VO
125
ms
IO = 0mA, Time from EXTCLK clock inactive to VO
Shutdown time
TPS62674
1.2
ms
down
4
Copyright 2010, Texas Instruments Incorporated
Product Folder Link(s): TPS6267x
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