AS1302 datasheet(6/19 Pages) AMSCO

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AS1302

Datasheet - Ty p i c a l O p e r a t i n g C h a r a c t e r i s t i c s

7 Typical Operating Characteristics

VBATT = 3.3V, VOUT = 5V, COUT = CBAT = 2.2µF, CFLY1 = CFLY2 =220nF, TAMB = +25ºC, unless otherwise specified.

Figure 3. Efficiency vs. Input Voltage; ILOAD = 1mA

Figure 4. Efficiency vs. Input Voltage; ILOAD = 10mA

100

2.6

3.4

3.8

4.2

4.6

5.4

Input Voltage (V)

1:2

mode

2:3

mode

1:1

mode

100

2.6

3.4

3.8

4.2

4.6

5.4

Input Voltage (V)

1:2

mode

2:3

mode

1:1

mode

Figure 5. Efficiency vs. Input Voltage; ILOAD = 20mA

Figure 6. Efficiency vs. Input Voltage; ILOAD = 30mA

100

2.6

3.4

3.8

4.2

4.6

5.4

Input Voltage (V)

1:2

mode

2:3

mode

1:1

mode

100

2.6

3.4

3.8

4.2

4.6

5.4

Input Voltage (V)

1:2

mode

2:3

mode

1:1

mode

Figure 7. Quiescent Current vs. Input Voltage

Figure 8. Quiescent Current vs. Temperature

100

125

150

175

200

225

250

275

300

2.4

2.9

3.4

3.9

4.4

4.9

5.4

Input Voltage (V)

100

125

150

175

200

225

250

275

300

-45 -30 -15

Temperature (°C)

Vi n=3.4V (1:2 Mode)

Vi n=4.5V (2:3 Mode)

Vi n=5.3V (1:1 Mode)

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