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參數(shù)資料
| 型號(hào)： | TRSP6659EK1-1.8 |
| 英文描述： | 1.5MHz, 600mA Synchronous Buck Regulator |
| 中文描述： | 1.5MHz的，600毫安同步降壓穩(wěn)壓器 |
| 文件頁數(shù)： | 2/10頁 |
| 文件大小： | 201K |
| 代理商： | TRSP6659EK1-1.8 |
2
Date: 07/20/05 SP6659 1.5MHz, 600mA Synchronous Buck Regulator Copyright 2005 Sipex Corporation
PIN DESCRIPTION
Input Supply Voltage ......................................................... -0.3V to +6V
RUN, V
Voltages .................................................. -0.3V to (V
IN
+ 0.3V)
SW Voltage ............................................................ -0.3V to (V
+ 0.3V)
P-Channel Switch Source Current ............................................. 800mA
N-Channel Switch Sink Current.................................................. 800mA
Peak Switch Sink and Source Current ........................................... 1.3A
Operating Temperature ................................................. -40
C to +85
°
C
Storage Temperature ................................................. -65
C to +150
°
C
Junction Temperature (Note 1) .................................................. 125
°
C
ABSOLUTE MAXIMUM RATINGS
These are stress ratings only and functional operation of the device at
these ratings or any other above those indicated in the operation sections
of the specifications below is not implied. Exposure to absolute maximum
rating conditions for extended periods of time may affect reliability.
ELECTRICAL CHARACTERISTICS
Note 1: Junction Temperature T
J
is calculated from the ambient temperature TA and ower dissipation P
D
according to the following formula: T
J
= T
A
+ P
D
X 220
°
C/W
PIN #
PIN NAME
DESCRIPTION
1
RUN
Power down control pin. Forcing this pin above 1.5V enables the device. Forcing this
pin below 0.3V shuts down the device.
2
GND
Ground pin.
3
SW
Switching node.
4
V
IN
Power supply pin
5
V
FB
/ V
OUT
Adjustable Version: V
FB,
Feedback Input Pin. Connect FB to the center point of the
external resistor divider. The feedback threshold voltage is 0.6V.
Fixed Output Version: V
OUT,
Output Voltage Feedback Pin. An internal resistive
divider drops the output voltage down for comparison to the internal reference voltage.
Vin=Vrun=3.6V, Io=0mA, Tamb= -40oC to +85oC, typical values at 25oC unless otherwise noted.
Parameter
Min
Typ
Max
Units
Conditions
Input Voltage Range
2.5
5.5
V
Input DC Supply Current
Active Mode
300
400
μA
Vfb = 0.5V, Vin = Vrun
Shutdown Mode
0.1
1
μA
Vin = 3.6V, Vrun = ZeroV
0.5880
0.6000
0.6120
Ta=+25oC
0.5865
0.6000
0.6135
V
0oC<Ta<+85oC
0.5820
0.6000
0.6180
-40oC < Ta < +85oC
Vfb Input Bias Current
85
300
nA
Vfb = 1.0V
Vfb Line Regulation
-1
0.4
1
%/V
Vin = 2.5V to 5.5V
Vfb Load Regulation
-0.1
0.01
0.1
%/mA
ILoad = 0mA to 600mA
Regulated Output Voltage
1.455
1.500
1.545
V
SP6659EK1-1.5, -40oC < Ta < +85oC
1.746
1.800
1.854
V
SP6659EK1-1.8, -40oC < Ta < +85oC
Minimum Output Voltage
0.6
V
Peak inductor current
0.7
1.15
1.5
A
Vfb = 0.5V
Oscillator frequency
0.8
1.4
1.8
mHz
Closed Loop, ILoad=100mA
P-channel ON resistance
0.4
0.6
I
SW
= 100mA
N-channel ON resistance
0.4
0.6
I
SW
= -100mA
Vrun=ZeroV, Vin = 3.6V
Vsw=ZeroV, Vsw = Vin
Run Threshold Voltage
0.2
1
1.3
V
Run Leakage Current
±0.01
±1.5
μA
±1.0
μA
Vfb (Feedback Voltage)
SW Leakage Current
±0.01
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