STBB2JAD-R datasheet(10/25 Pages) STMICROELECTRONICS

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Typical performance characteristics

STBB2

10/25

DocID022745 Rev 9

Typical performance characteristics

Figure 6. Maximum output current vs. input voltage

Table 7. Table of graphs

Maximum output

current

vs. input voltage

Figure 5

Efficiency

vs. output current (power save enabled, VIN = 2.5 V, 3.6 V, 4.5 V/VOUT = 3.4 V)

Figure 6

vs. output current (power save disabled, VOUT = 2.5 V, 3.6 V, 4.5 V/

VOUT = 3.4 V)

Figure 7

vs. output current (power save enabled, VIN = 2.5 V, 3.6 V, 4.5 V/VOUT = 2.9 V)

Figure 8

vs. output current (power save disabled, VOUT = 2.5 V, 3.6 V, 4.5 V/

VOUT = 2.9 V)

Figure 9

vs. input voltage power save enabled, VOUT = 3.4 V, IOUT = (10; 50; 150; 500;

800 mA)

Figure 10

vs. input voltage power save disabled, VOUT = 3.4 V, IOUT = (10; 500; 1000;

2000 mA)

Figure 12

vs. output current (PWM/Auto mode)

Figure 13

Waveforms

Load transient response VIN < VOUT

Figure 14

Load transient response VIN > VOUT

Figure 15

Line transient response (VOUT = 3.3 V, IOUT = 1500 mA)

Figure 16

Startup after enable (VOUT = 3.3 V, VIN = 2.4 V, IOUT = 300 mA)

Figure 17

Startup after enable (VOUT = 3.3 V, VIN = 4.2 V, IOUT = 300 mA)

Figure 18

AM10444v1

200

400

600

800

1000

1200

1400

1600

1800

2000

2200

2.5

3.5

4.5

5.5

VIN [V]

VOUT = 2.9 V

VOUT = 3.4 V

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