Datasheet Analog Devices ADP2121 — 数据表

600 mA, 6 MHz, Synchronous
Step-Down DC-to-DC Converter
ADP2121 Data Sheet
FEATURES TYPICAL APPLICATION CIRCUIT
ADP2121 INPUT VOLTAGE*
2.3V TO 5.5V
A2 VIN C2 GND L SW B1 OUTPUT VOLTAGE
1.8V, 1.82V, 1.85V, 1.875V, 2.3V 0.47µH CIN
2.2µF
FB C1 EN MODE B2 A1 ON COUT
4.7µF PWM *FOR OUTPUT VOLTAGE = 2.3 V, INPUT VOLTAGE = 2.9 V TO 5.5V. Figure 1.
95 AUTO MODE
VIN = 2.7 V
(VIN = 2.9V FOR VOUT = 2.3V) 85 75 65 55
0.1 1 10
LOAD CURRENT (mA) 100 1000 07407-062 VOUT = 1.8V
VOUT = 1.82V
VOUT = 1.85V
VOUT = 1.875V
VOUT = 2.3V APPLICATIONS
Mobile phones
Digital cameras
Digital audio …