sp2525-2en Exar Corporation, sp2525-2en Datasheet - Page 6

• Manufacturer Part Number: sp2525-2en
• Description: 3.0v To 5.5v Usb Power Control Switch
• Manufacturer: Exar Corporation

Rev. 8/21/01
Figure 3. Internal Block Diagram for the SP2525
Figure 2. Typical Application Circuit for the SP2525
AGND
Controller
USB
EN
TEMPERATURE
REFERENCE
SENSING
AND
OSCILLATOR
ENABLE
FLAG
Control
OVER-TEMP
Data
AGND
UVLO
SHUTDOWN
R1
100k
1
2
3
4
EN
FLG
GND
NC
SP2525 +3.0 to +5.5 Power Control Switch
SP2525
SP5301
FIGURE 3
CHARGE
LOGIC
PUMP
OUT
OUT
NC
IN
D+
D-
8
7
6
5
6
IN
CURRENT
OVER
AGND
2
1
C1
0.1 F
AGND
2
1
FOLDBACK
CL
Ferrite Bead
Ferrite Bead
CURRENT
SENSE
AGND
© Copyright 2001 Sipex Corporation
RL
VBUS
GND
AGND
OUT
D+
IN
D-
FLAG
USB
Port