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| 型号： | TPS62590DRVT |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 1 A SWITCHING REGULATOR, 2250 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封装： | 2 X 2 MM, 0.80 MM HEIGHT, PLASTIC, SON-6 |
| 文件页数： | 20/24页 |
| 文件大小： | 619K |
| 代理商： | TPS62590DRVT |
VIN
GND
EN
FB
SW
TPS62590DRV
L
V
MODE
2.2 H
m
C
OUT
10mF
C
1
22pF
R
1
R
2
C
IN
10mF
PwPd
VIN
OUT
SLVS897B
– JANUARY 2009 – REVISED APRIL 2011
PARAMETER MEASUREMENT INFORMATION
Table 2. List of Components:
COMPONENT REFERENCE
PART NUMBER
MANUFACTURER
VALUE
CIN
GRM188R60J106M
Murata
10
μF, 6.3V. X5R Ceramic
COUT
GRM188R60J106M
Murata
10
μF, 6.3V. X5R Ceramic
C1
Murata
22 pF, Ceramic
L1
LPS3015
Coilcraft
2.2
μH, 110m
R1, R2
Values depending on the programmed output voltage
TYPICAL CHARACTERISTICS
Table 3. Table Of Graphs
FIGURE
Efficiency
vs Output Voltage VOUT = 1.8 V (Power Save Mode)
vs Output Voltage VOUT = 1.8 V (Forced PWM Mode)
vs Output Voltage VOUT = 3.3 V (Power Save Mode)
vs Output Voltage VOUT = 3.3 V (Forced PWM Mode)
Output Voltage
vs Output Current VOUT = 1.8 V (Forced PWM Mode)
vs Output Current VOUT = 1.8 V (Power Save Mode)
vs Output Current VOUT = 3.3 V (Forced PWM Mode)
vs Output Current VOUT = 3.3 V (Power Save Mode)
Transient Behavior
PFM Load Transient
PFM Line Transient
PWM Load Transient
PWM Line Transient
Typical Operation
– PFM Mode
Typical Operation
– PWM Mode
Shutdown Current
into VIN vs. Input Voltage
Quiescent Current
vs Input Voltage
Static Drain-Source On-State
vs Input Voltage
Resistance
Copyright
2009–2011, Texas Instruments Incorporated
5
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