RT8100A Datasheet, PDF (3/18 Pages) Richtek Technology Corporation – Synchronous buck PWM DC/DC with Dual Voltage Control Mode

Preliminary
V_IN
5VSB
PHASE
5VSB
PI
4 _RR
15
BOOT
16 _12VCC
1 _5VSB
9 _PI
UGATE ¹⁴
PHASE ¹³
RT8100A
11 _{PVCC LGATE 12}
10 _SS
2 _RT
3 _{I_IND}
CSP ⁶
CSN ⁵
FB ⁸
COMP ⁷
Figure 3. Single 5V PI Application Circuit
V_IN
5VSB
PHASE
5VSB
PI
4 _RR
15
BOOT
16 _12VCC
1 _5VSB
9 _PI
UGATE ¹⁴
PHASE ¹³
RT8100A
11 _{PVCC LGATE 12}
10 _SS
2 _RT
3 _{I_IND}
CSP ⁶
CSN ⁵
FB ⁸
COMP ⁷
Figure 4. Single 5V Internal V_REF Application Circuit
RT8100A
V_OUT
0
NC
V_OUT
opt.
DS8100A-01 August 2007
www.richtek.com
3