ADP2138ACBZ-1.2-R7 datasheet(8/20 Pages) AD

8 / 20 page

ADP2138/ADP2139

Data Sheet

Rev. C | Page 8 of 20

2.3

2.8

3.3

3.8

4.3

4.8

5.3

INPUT VOLTAGE (V)

350

300

250

200

150

100

–40°C

+25°C

+125°C

Figure 15. RDSON PFET vs. Input Voltage, Across Temperature

2.3

2.8

3.3

3.8

4.3

4.8

5.3

INPUT VOLTAGE (V)

250

200

150

100

–40°C

+25°C

+125°C

Figure 16. RDSON NFET vs. Input Voltage, Across Temperature

M 40.0µs A CH2

215mA

T 26.00%

CH1 100mV

CH4 5.00V

CH2

250mA Ω

VOUT

IOUT

Figure 17. Response to Load Transient, 150 mA to 500 mA,

VOUT = 1.8 V, PWM Mode

M 40.0µs A CH2

215mA

T 26.00%

CH1 100mV

CH4 5.00V

CH2

250mA Ω

VOUT

IOUT

Figure 18. Response to Load Transient, 50 mA to 500 mA,

VOUT = 1.8 V, Automatic Mode

M 40.0µs A CH2

215mA

T 26.00%

CH1 100mV

CH4 5.00V

CH2

250mA Ω

VOUT

IOUT

Figure 19. Response to Load Transient, 150 mA to 500 mA,

VOUT = 0.8 V, PWM Mode

CH1 100mV

CH4 5.00V

CH2 100mA Ω

M 40.0µs A CH2

134mA

T 26.00%

VOUT

IOUT

Figure 20. Response to Load Transient, 50 mA to 200 mA, VOUT = 0.8 V,

Automatic Mode

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