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參數資料
| 型號： | TPS62660YFF |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 1.75 A SWITCHING REGULATOR, 6600 kHz SWITCHING FREQ-MAX, BGA6 |
| 封裝： | LEAD FREE, DSBGA-6 |
| 文件頁數： | 23/30頁 |
| 文件大小： | 791K |
| 代理商： | TPS62660YFF |
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SLVS871B – FEBRUARY 2010 – REVISED SEPTEMBER 2010
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
VI
Input voltage range
2.3
5.5
V
IO = 0mA. Device not switching
31
55
mA
IQ
Operating quiescent current
IO = 0mA, PWM mode
7.6
mA
I(SD)
Shutdown current
EN = GND
0.2
1
mA
UVLO
Undervoltage lockout threshold
2.05
2.1
V
ENABLE, MODE
VIH
High-level input voltage
1.0
V
VIL
Low-level input voltage
0.4
V
Ilkg
Input leakage current
Input connected to GND or VIN
0.01
1
mA
POWER SWITCH
VI = V(GS) = 3.6V, PWM mode
270
m
P-channel MOSFET on
rDS(on)
TPS6266x
resistance
VI = V(GS) = 2.5V, PWM mode
350
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
140
m
N-channel MOSFET on
rDS(on)
TPS6266x
resistance
VI = V(GS) = 2.5V, PWM mode
200
m
Ilkg
N-channel leakage current, NMOS
V(DS) = 5.5V, -40°C ≤ TJ ≤ 85°C
2
mA
Discharge resistor for
rDIS
TPS62665
15
50
power-down sequence
P-MOS current limit
2.3V
≤ VI ≤ 4.8V, Open loop
1400
1500
1750
mA
Input current limit under short-circuit
VO shorted to ground
19
mA
conditions
Thermal shutdown
140
°C
Thermal shutdown hysteresis
10
°C
OSCILLATOR
fSW
Oscillator frequency
TPS6266x
IO = 0mA, PWM mode
5.4
6
6.6
MHz
OUTPUT
2.3V
≤ VI ≤ 2.7V, 0mA ≤ IO ≤ 600mA
2.7V
≤ VI ≤ 3.0V, 0mA ≤ IO ≤ 800mA
0.98×VNOM
VNOM
1.03×VNOM
V
3.0V
≤ VI ≤ 4.8V, 0mA ≤ IO ≤ 1000mA
PFM/PWM operation
Regulated DC output
3.0V
≤ VI ≤ 5.5V, 0mA ≤ IO ≤ 1000mA
0.98×VNOM
VNOM
1.04×VNOM
V
voltage
PFM/PWM operation
V(OUT)
TPS6266x
2.3V
≤ VI ≤ 2.7V, 0 mA ≤ IO ≤ 600mA
2.7V
≤ VI ≤ 3.0V, 0 mA ≤ IO ≤ 800mA
0.98×VNOM
VNOM
1.02×VNOM
V
3.0V
≤ VI ≤ 5.5V, 0 mA ≤ IO ≤ 1000mA
PWM operation
Line regulation
VI = VO + 0.5V (min 2.3V) to 5.5V, IO = 200 mA
0.13
%/V
Load regulation
VI = 3.6V, IO = 0m A to 1000 mA
–0.00025
%/mA
Feedback input resistance
480
k
TPS62660
IO = 1mA
20
mVPP
IO = 1mA
Power-save mode ripple
ΔVO
TPS62661
L = 1mH (muRata LQM2MPN1R0NG0)
9
mVPP
voltage
CO = 10mF 4V 0402 (muRata GRM155R60G106M)
TPS62665
IO = 1mA
24
mVPP
TPS62660
IO = 0mA, Time from active EN to VO
120
ms
Start-up time
TPS62661
RL = 2, Time from active EN to VO
55
ms
Copyright 2010, Texas Instruments Incorporated
3
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