BD2220G_11 ROHM [Rohm], BD2220G_11 Datasheet - Page 7

• Manufacturer Part Number: BD2220G_11
• Description: 1ch Small Package High Side Switch ICs for USB Devices and Memory Cards
• Manufacturer: ROHM [Rohm]

●Block Diagram
●Pin Description
●I/O Circuit
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BD2220G, BD2221G
Symbol
Pin No.
VOUT
(/EN)
GND
/OC
EN
VIN
1
2
3
4
5
EN
UVLO
OCD
EN, /EN
Symbol
Pin No.
VOUT
GND
/OC
VIN
3
5
4
Fig.37 Block diagram
Counter
Charge
Delay
pump
I/O
O
O
-
-
I
(/EN)
EN
TSD
S Q
R
Switch input and the supply voltage for the IC.
Ground.
Enable input.
EN: High level input turns on the switch. (BD2220G)
/EN: Low level input turns on the switch. (BD2221G)
Over-current notification terminal.
Low level output during over-current or over-temperature condition.
Open-drain fault flag output.
Switch output.
Equivalent circuit
7/12
VOUT
/OC
/OC
VOUT
EN(/EN)
GND
VIN
Function
Fig.38 Pin configuration
1
2
3
Top View
5
4
VOUT
/OC
Technical Note
2011.05 - Rev.B