BD9701FP-E2 Rohm Semiconductor, BD9701FP-E2 Datasheet - Page 11

• Manufacturer Part Number: BD9701FP-E2
• Description: IC REG SW STEP DOWN 1CH TO252-5
• Manufacturer: Rohm Semiconductor
• Type: Step-Down (Buck)r

Specifications of BD9701FP-E2

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1 ~ 32 V
• Current - Output: 1.5A
• Frequency - Switching: 100kHz
• Voltage - Input: 8 ~ 36 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: DPak, TO-252 (4 leads + tab)
• Power - Output: 800mW
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: BD9701FP-E2TR

●Test Circuit
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BD9701FP/CP-V5/T/T-V5,BD9703FP/CP-V5/T/T-V5,BD9702CP-V5/T/T-V5
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(BD9703FP/CP-V5/T/T-V5)
(BD9702CP-V5/T/T-V5)
＜Recommended Components＞
＜Recommended Components＞
Inductor
Schotky Diode
Capacitor
Inductor
Schotky Diode
Capacitor
+
Vcc
Icc
L1＝47μH
L1＝47μH
D1
C1＝100μF(50V)
C2＝2.2μF(50V)
C3＝470μF(25V)
C4＝OPEN
C3＝OPEN
D1
C1＝1000μF(50V)
C2＝OPEN
C3＝1000μF(25V)
C4＝OPEN
C3＝OPEN
Vcc
1
A
Fig.32 Input Output Measurement Circuit
f
OUT
2
SW2
11/16
GND
:CDRH127/LD (sumida)
:RB050LA-40 (ROHM)
:Al electric capacitor UHD1H101MPT (nichicon)
:ceramic cap CM43X7R225K50A (KYOCERA)
:Al electric capacitor UHD1E471MPT (nichicon)
:CDRH127/LD (sumida)
:RB050LA-40 (ROHM)
:Al electric capacitor UHD1H102MPT (nichicon)
:Al electric capacitor UHD1E102MPT (nichicon)
3
1kΩ
2kΩ
+
INV
4
SW4
A
Vo
V
I
V
INV
INV
STBY
5
I o
A
SW5
VSTB
ISTB
SW6
Technical Note
2009.04- Rev.B