Datasheet

VIN
GND
EN
FB
SW
TPS62590DRV
L
V
MODE
2.2 Hm
C
OUT
10mF
C
1
22pF
R
1
R
2
C
IN
10mF
PwPd
V
IN OUT
TPS62590
www.ti.com SLVS897B –JANUARY 2009– REVISED APRIL 2011
PARAMETER MEASUREMENT INFORMATION
Table 2. List of Components:
COMPONENT REFERENCE PART NUMBER MANUFACTURER VALUE
C
IN
GRM188R60J106M Murata 10 μF, 6.3V. X5R Ceramic
C
OUT
GRM188R60J106M Murata 10 μF, 6.3V. X5R Ceramic
C
1
Murata 22 pF, Ceramic
L
1
LPS3015 Coilcraft 2.2 μH, 110mΩ
R
1
, R
2
Values depending on the programmed output voltage
TYPICAL CHARACTERISTICS
Table 3. Table Of Graphs
FIGURE
Efficiency vs Output Voltage V
OUT
= 1.8 V (Power Save Mode) Figure 1
vs Output Voltage V
OUT
= 1.8 V (Forced PWM Mode) Figure 2
vs Output Voltage V
OUT
= 3.3 V (Power Save Mode) Figure 3
vs Output Voltage V
OUT
= 3.3 V (Forced PWM Mode) Figure 4
Output Voltage vs Output Current V
OUT
= 1.8 V (Forced PWM Mode) Figure 5
vs Output Current V
OUT
= 1.8 V (Power Save Mode) Figure 6
vs Output Current V
OUT
= 3.3 V (Forced PWM Mode) Figure 7
vs Output Current V
OUT
= 3.3 V (Power Save Mode) Figure 8
Transient Behavior PFM Load Transient Figure 9
PFM Line Transient Figure 10
PWM Load Transient Figure 11
PWM Line Transient Figure 12
Typical Operation – PFM Mode Figure 13
Typical Operation – PWM Mode Figure 14
Shutdown Current into VIN vs. Input Voltage Figure 15
Quiescent Current vs Input Voltage Figure 16
Figure 17
Static Drain-Source On-State
vs Input Voltage
Resistance
Figure 18
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