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参数资料
| 型号： | TPS82678SIP |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 0.6 A SWITCHING REGULATOR, 6000 kHz SWITCHING FREQ-MAX, BGA8 |
| 封装： | 2.30 X 2.90 MM, 1 MM HEIGHT, LEAD FREE, USIP-8 |
| 文件页数： | 23/28页 |
| 文件大小： | 943K |
| 代理商： | TPS82678SIP |
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SIP-8
(TOP VIEW)
SIP-8
(BOTTOMVIEW)
A1
B1
C1
A2
B2
C2
GND
MODE
VOUT
GND
A3
C3
VIN
EN
A3
C3
A2
B2
C2
GND
EN
VIN
GND
C1
VOUT
MODE
A1
B1
SLVSAI0A
– OCTOBER 2010 – REVISED APRIL 2011
ELECTRICAL CHARACTERISTICS (continued)
Minimum and maximum values are at VIN = 2.3V to 5.5V, VOUT = 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 VIN = 3.6V, VOUT =
1.8V, EN = 1.8V, AUTO mode and TA = 25°C (unless otherwise noted).
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
OUTPUT
2.5V
≤ VI ≤ 4.8V, 0mA ≤ IO ≤ 600 mA
0.98
×VNOM
VNOM
1.03
×VNOM
V
TPS82671
PFM/PWM operation
TPS82672
TPS82674
2.5V
≤ VI ≤ 5.5V, 0mA ≤ IO ≤ 600 mA
0.98
×VNOM
VNOM
1.04
×VNOM
V
TPS82675
PFM/PWM operation
TPS82676
Regulated DC
2.5V
≤ VI ≤ 5.5V, 0mA ≤ IO ≤ 600 mA
TPS82678
0.98
×VNOM
VNOM
1.02
×VNOM
V
output voltage
PWM operation
VOUT
2.5V
≤ VI ≤ 4.8V, 0mA ≤ IO ≤ 600 mA
0.98
×VNOM
VNOM
1.04
×VNOM
V
PFM/PWM operation
TPS82677
TPS82678
2.5V
≤ VI ≤ 5.5V, 0mA ≤ IO ≤ 600 mA
0.98
×VNOM
VNOM
1.02
×VNOM
V
PWM operation
Line regulation
VI = VO + 0.5V (min 2.5V) to 5.5V, IO = 200 mA
0.23
%/V
Load regulation
IO = 0mA to 600 mA. PWM operation
–0.00085
%/mA
Feedback input resistance
480
k
TPS82671
IO = 1mA, VO = 1.8V
19
mVPP
TPS82675
IO = 1mA, VO = 1.2V
16
mVPP
Power-save mode
ΔVO
TPS82676
IO = 1mA, VO = 1.1V
TBD
mVPP
ripple voltage
TPS82677
IO = 1mA, VO = 1.2V
25
mVPP
TPS82678
IO = 1mA, VO = 1.35V
TBD
mVPP
Start-up time
TPS82671
IO = 0mA, Time from active EN to VO
120
μs
TPS82674
Discharge resistor
TPS82676
rDIS
for power-down
Device featuring active discharge
70
150
TPS82677
sequence
TPS82678
PIN ASSIGNMENTS
PIN DESCRIPTIONS
PIN
I/O
DESCRIPTION
NAME
NO.
VOUT
A1
O
Power output pin. Apply output load between this pin and GND.
VIN
A2, A3
I
The VIN pins supply current to the TPS8267x internal regulator.
This is the enable pin of the device. Connect this pin to ground to force the converter into
EN
B2
I
shutdown mode. Pull this pin to VI to enable the device. This pin must not be left floating and
must be terminated.
This is the mode selection pin of the device. This pin must not be left floating and must be
terminated.
MODE = LOW: The device is operating in regulated frequency pulse width modulation mode
MODE
B1
I
(PWM) at high-load currents and in pulse frequency modulation mode (PFM) at light load
currents.
MODE = HIGH: Low-noise mode is enabled and regulated frequency PWM operation is forced.
GND
C1, C2, C3
–
Ground pin.
4
Copyright
2010–2011, Texas Instruments Incorporated
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