AS1332 Просмотр технического описания (PDF) - austriamicrosystems AG

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AS1332

650mA, Step-Down DC-DC Converter for RF Power Amplifiers

austriamicrosystems AG 

AS1332

Datasheet - Typical Operating Characteristics

Figure 18. VCON Voltage Response; VIN = 4.2V,

VCON = 0V to 1.4V, RLOAD = 10Ω

Figure 19. VCON and Load Transient; VIN = 4.2V,

VCON = 0V to 1.4V, 15Ω/8Ω, same time

50µs/Div

50µs/Div

till Figure 20. Timed Current Limit Response; VIN = 3.6V,

VOUT = 1.3V, RLOAD = 10Ω

Figure 21. Output Voltage Ripple; VIN = 3.6V,

VOUT = 1.3V, IOUT = 200mA

amscoAnGtent s 5µs/Div

200ns/Div

al Figure 22. VOUT Ripple in Skip Mode; VIN = 3.547V,

Technic VOUT = 3.16V, RLOAD = 5Ω

Figure 23. RDSON (P-Chanel) vs. Temperature;

ISW = 200mA

350

300

250

200

150

100

500ns/Div

50

0

-40

Vi n=2.7V

Vi n=3.6V

Vi n=5.5V

-15

10

35

60

Temperature (°C)

valid

85

www.austriamicrosystems.com/DC-DC_Step-Down/AS1332

Revision 1.02

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