Datasheet > FAN5910UCX

FAN5910UCX

更新时间： 2023-09-03 20:40:22

品牌	Logo	应用领域
安森美 - ONSEMI		GSM
页数	文件大小	规格书
16页	533K
描述
Multi-Mode Buck Converter with LDO Assist for GSM / EDGE, 3G/3.5G and 4G PAs

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数据手册

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FAN5910UCX 数据手册

FAN5910

Typical Characteristics

Unless otherwise noted, V = EN = 3.8 V, L = 1.5 mH, C = 10 mF, C

= 1 x 4.7 mF, 2 x 10 mF, and T = +25°C.

OUT

3.5

3.3

3.1

2.9

2.7

2.5

2.3

2.1

1.9

1.7

1.5

450

400

350

300

250

-40C

+25C

+85C

3.5

4.5

5.5

2.5

3.5

4.5

5.5

Input Voltage (V)

Figure 11. Center−Switching Frequency vs. Supply

Figure 12. Quiescent Current (PFM) vs. Supply

Voltage, V_OUT= 1 V, 2.7 V < V_IN< 5.5 V (No Load)

Voltage, V_OUT= 2.5 V, I_OUT= 700 mA

VOUT (2V/DIV)

VCON (2V/DIV)

-40C

+25C

+85C

IOUT (500mA/DIV)

2.5

3.5

4.5

5.5

Input Voltage (V)

Figure 13. Quiescent Current (PWM) vs. Supply

Voltage, V_OUT= 2.5 V, 2.7 V < V_IN< 5.5 V (No Load)

Figure 14. V_CONTransient (3 G/4 G), V_OUT= 0 V to

3 V, R_LOAD= 6.8 W, V_IN= 3.8 V, 100 ns Edge

VOUT (2V/DIV)

VCON (2V/DIV)

IOUT (1A/DIV)

VCON (2V/DIV)

IOUT (500mA/DIV)

Figure 15. V_CONTransient (PFM to PWM), V_OUT

Figure 16. V_CONTransient (PWM), V_OUT= 1.4 V to

1.4 V to 3.4 V, R_LOAD= 6.8 W, V_IN= 3.8 V, 100 ns Edge

3.4 V, R_LOAD= 1.9 W, V_IN= 4.2 V, 100 ns Edge

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1...5 6 789 10 11...16

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