TPS62590DRVT datasheet(5/24 Pages) TI1

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VIN

GND

TPS62590DRV

MODE

2.2 H

OUT

10mF

22pF

10mF

PwPd

VIN

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

CIN

GRM188R60J106M

Murata

μF, 6.3V. X5R Ceramic

COUT

GRM188R60J106M

Murata

μF, 6.3V. X5R Ceramic

Murata

22 pF, Ceramic

LPS3015

Coilcraft

2.2

μH, 110mΩ

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)

Figure 1

vs Output Voltage VOUT = 1.8 V (Forced PWM Mode)

Figure 2

vs Output Voltage VOUT = 3.3 V (Power Save Mode)

Figure 3

vs Output Voltage VOUT = 3.3 V (Forced PWM Mode)

Figure 4

Output Voltage

vs Output Current VOUT = 1.8 V (Forced PWM Mode)

Figure 5

vs Output Current VOUT = 1.8 V (Power Save Mode)

Figure 6

vs Output Current VOUT = 3.3 V (Forced PWM Mode)

Figure 7

vs Output Current VOUT = 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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