BD3508MUV-E2 Rohm Semiconductor, BD3508MUV-E2 Datasheet - Page 5

• Manufacturer Part Number: BD3508MUV-E2
• Description: IC REG LDO N-CH FET ULT LO 20QFN
• Manufacturer: Rohm Semiconductor
• Series: -r

Specifications of BD3508MUV-E2

• Regulator Topology: Positive Adjustable
• Voltage - Output: 0.65 V ~ 2.7 V
• Voltage - Input: 0.75 V ~ 5.5 V
• Voltage - Dropout (typical): 0.065 @ 1A
• Number Of Regulators: 1
• Current - Output: 3A (Min)
• Current - Limit (min): -
• Operating Temperature: -10°C ~ 100°C
• Mounting Type: Surface Mount
• Package / Case: 20-VFQFN Exposed Pad
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

●Reference Data
© 2010 ROHM Co., Ltd. All rights reserved.
BD3508MUV,BD3509MUV
50mV/div
50mV/div
www.rohm.com
VNRCS
2A/div
2A/div
2V/div
2V/div
1V/div
BD3508MUV
VCC
Ven
Ven
VIN
Vo
Vo
Vo
Vo
Io
Io
Fig.7: Waveform at output start
Io=3A→0A/3µsec
Io=0A→3A/3µsec
Co=150µF×2, C
Fig.1 Transient Response
Fig.4 Transient Response
55mV
Fig.10 Input sequence
Co=150µF×2
VIN→VCC→Ven
3.0A
45mV
3.0A
(0→3A)
(3→0A)
FB
t(5µsec/div)
t(200µsec/div)
t(5µsec/div)
=0.01uF
50mV/div
50mV/div
VNRCS
1V/div
2A/div
2A/div
2V/div
2V/div
VCC
Ven
VIN
Ven
Vo
Vo
Vo
Vo
Io
Io
Io=3A→0A/3µsec
Io=0A→3A/3µsec
Fig.8 Waveform at output OFF
Fig.2 Transient Response
Fig.5 Transient Response
3.0A
Fig.11 Input sequence
Ven→VCC→VIN
Co=150µF
Co=150µF
79mV
64mV
(3→0A)
(0→3A)
3.0A
5/20
t(2msec/div)
t(5µsec/div)
t(5µsec/div)
100mV/div
100mV/div
2A/div
VCC
2A/div
Ven
VIN
VCC
Vo
Ven
VIN
Vo
Vo
Vo
Io
Io
Io=0A→3A/3µsec
Io=3A→0A/3µsec
Fig.6 Transient Response
Fig.3 Transient Response
Fig.12 Input sequence
87mV
Fig.9 Input sequence
Co=47µF, C
3A
VCC→Ven→VIN
VCC→VIN→Ven
Co=47µF
(3→0A)
(0→3A)
3A
2010.04 - Rev.C
Technical Note
FB
t(5µsec/div)
=0.01uF
t(5µsec/div)
91mV