BD3570FP-E2 Rohm Semiconductor, BD3570FP-E2 Datasheet - Page 4

• Manufacturer Part Number: BD3570FP-E2
• Description: IC, LOW IQ, VREG 500MA, TO252-3
• Manufacturer: Rohm Semiconductor
• Series: -r

Specifications of BD3570FP-E2

• Primary Input Voltage: 13.2V
• No. Of Outputs: 1
• Output Voltage: 3.3V
• Output Current: 500mA
• Voltage Regulator Case Style: TO-252
• No. Of Pins: 3
• Operating Temperature Range: -40°C To +125°C
• Svhc: No SVHC
• Regulator Topology: Positive Fixed
• Voltage - Output: 3.3V
• Voltage - Input: 4.5 V ~ 36 V
• Voltage - Dropout (typical): -
• Number Of Regulators: 1
• Current - Output: 500mA (Max)
• Current - Limit (min): -
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: TO-252-3, DPak (2 Leads + Tab), SC-63
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

●Block Diagram
●I/O Circuit diagram (All resistance values are typical.)
●Pin Assignments
© 2011 ROHM Co., Ltd. All rights reserved.
BD3570FP/HFP, BD3571FP/HFP, BD3572FP/HFP, BD3573FP/HFP
BD3574FP/HFP, BD3575FP/HFP
www.rohm.com
GND
Vcc
Cin
Fin
1
SW
TO252-3
TO252-5
HRP5
OCP
TSD
Fig.16 2PIN[SW]
Fig.13 TO252-3
Vref
210K
200K
N.C.
2
1 2 3 4 5
1 2 3 4 5
1 2 3
Fig. 21
Fig.20
Fig. 19
FIN
FIN
FIN
1K
3
Vo
Pin No.
Pin No.
Co
Pin No.
GND
SW
Vcc
Cin
Fin
Fin
Fin
Fin
1
2
3
1
2
3
4
5
1
2
3
4
5
1
2
Fig.17 5PIN[V
Vo
OCP
Cin ： 0.33μF～1000μF
Co：0.1μF～1000μF
TSD
Fig.14 TO252-5
Vref
Pin name
Pin name
Pin name
BD3570,3571,3573,3574
GND
GND
GND
GND
N.C.
N.C.
N.C.
N.C.
ADJ
N.C.
N.C.
V
V
V
ADJ
N.C.
SW
SW
V
V
V
3
CC
CC
CC
O
O
O
4/9
1992K: BD3570, BD3573
3706K: BD3571, BD3574
1250K
O
]
Vcc
ADJ (N.C.
Power supply pin
V
N.C. pin(BD3572FP only)
N.C. pin
N.C. pin
Output voltage setting pin(BD3572,3575FP only)
Voltage output pin
GND pin
Power supply pin
N.C. pin
Voltage output pin
GND pin
Power supply pin
V
N.C. pin
GND pin
N.C. pin
Output voltage setting pin(BD3572,3575HFP only)
Voltage output pin
GND pin
O
O
4
＊2）
ON/OFF function pin
ON/OFF function pin (BD3573,3574,3575HFP only)
＊1）
＊
1)
)
Function
5
Vo
＊1）For Fixed Voltage Regulator only
＊2）For adjustable Voltage Regulator only
Co
GND
SW
Vcc
Cin
Fin
Function
150
Fig.18 4.5PIN[ADJ,V
1
2
3
Vo
Function
OCP
TSD
Fig.15 HRP5
Vref
BD3572,BD3575
Technical Note
Vcc
2011.03 - Rev.B
ADJ (N.C.
O
4
]
＊2）
＊1）
＊
1)
)
5
Vo
Co