ST2S08B STMicroelectronics, ST2S08B Datasheet - Page 7

• Manufacturer Part Number: ST2S08B
• Description: Dual synchronous rectification, 1.5 A, 1.5 MHz adjustable step-down switching regulator
• Manufacturer: STMicroelectronics

Specifications of ST2S08B

• Typical Efficiency: > 80 % at VOUT= 1.2 V
• Non-switching Quiescent Current: max 1 mA over temperature range

ST2S08B
5
Figure 3.
Note:
V
4.7 µF
IN
C1
Typical application
Application circuit
R1, R2 and R3, R4 are calculated according to the following equations:
- V
- V
O1
O2
= V
= V
FB1
FB2
NC
INH
VIN_A
VIN_SW
GND1
(1 + R1 / R2)
(1 + R3 / R4)
ST2S08B
GND2
HV
Doc ID 18290 Rev 1
GND_A
SW2
VFB2
VFB1
SW1
R2
L2
3.3 µF
R1
L1
3.3 µH
22 µF
C2
V
O1
Typical application
R4
AM07870v1
R3
22 µF
V
C3
O2
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