STBB1-AXX STMicroelectronics, STBB1-AXX Datasheet - Page 3

• Manufacturer Part Number: STBB1-AXX
• Description: 1 A, high efficiency single inductor dual mode buck-boost DC-DC converter
• Manufacturer: STMicroelectronics

Specifications of STBB1-AXX

• Typical Efficiency: > 94%

STBB1-AXX
1
Figure 1.
MODE/SYNC
MODE/SYNC
VINA
VINA
Block diagram
STBB1-A block diagram
EN
EN
V
V
IN
IN
CONTROL
CONTROL
Oscillator
Oscillator
DEVICE
DEVICE
GND
GND
Modulator
Modulator
Current
Current
Control
Control
sensor
sensor
Temp.
Temp.
SW1
SW1
Control
Control
Gate
Gate
SW2
SW2
V
V
REF
REF
Block diagram
FB
FB
PGND
PGND
V
V
OUT
OUT
3/22