BD8966FVM-TR Rohm Semiconductor, BD8966FVM-TR Datasheet - Page 2

• Manufacturer Part Number: BD8966FVM-TR
• Description: IC SWITCHING REG W/MOSFET MSOP8
• Manufacturer: Rohm Semiconductor
• Series: -r
• Type: Step-Down (Buck), PWM - Current Moder

Specifications of BD8966FVM-TR

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 1 V ~ 2.5 V
• Current - Output: 800mA
• Frequency - Switching: 1MHz
• Voltage - Input: 4 V ~ 5.5 V
• Operating Temperature: -25°C ~ 85°C
• Mounting Type: *
• Package / Case: *
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

●Electrical characteristics
●Block diagram, Application circuit
●Pin No. & function table
© 2010 ROHM Co., Ltd. All rights reserved.
BD8966FVM
www.rohm.com
◎(Ta=25℃, V
Standby current
Bias current
EN Low voltage
EN High voltage
EN input current
Oscillation frequency
Pch FET ON resistance
Nch FET ON resistance
ADJ voltage
ITH
ITH
UVLO threshold voltage
UVLO release voltage
Soft start time
Timer latch time
0.475
SI
S
ource
nk current
Pin No.
Fig.1 BD8966FVM View
Max3.25(include.BURR)
2.9±0.1
0.65
1
2
3
4
5
6
7
8
Parameter
8
1
D 8 9
6
C
CC
urrent
=5V, EN=V
5
6
4
1PIN MARK
0.22
Lot No.
0.08 S
+0.05
S
-0.04
CC
Pin name
, R
PGND
PV
GND
ADJ
V
ITH
SW
EN
4
CC
1
0.145
CC
=20kΩ, R
+6
-4
Symbol
V
V
T
R
R
I
V
F
V
V
I
I
THSO
UVLO1
UVLO2
LATCH
T
I
THSI
I
STB
OSC
ONN
ENH
ONP
CC
ENL
EN
ADJ
SS
+0.05
-0.03
2
=10kΩ unless otherwise specified.)
Output voltage detect pin
GmAmp output pin/Connected phase compensation capacitor
Enable pin(Active High)
Ground
Nch FET source pin
Pch/Nch FET drain output pin
Pch FET source pin
V
CC
power supply input pin
0.78
3.20
3.25
Min.
2.0
0.8
1.5
0.5
10
10
-
-
-
-
-
-
2/14
1
EN
Gm Amp.
ADJ
Limits
GND
Typ.
0.80
3.40
3.50
V
V
250
350
250
Start
20
20
Soft
REF
0
1
1
3
2
3
CC
2
SLOPE
ITH
V
Fig.2 BD8966FVM Block Diagram
CC
UVLO
TSD
Current
Comp.
V
PIN function
Max.
0.82
3.80
450
600
500
CC
0.8
1.2
3.6
10
10
OSC
6
3
-
-
-
CLK
R Q
S
MHz
Unit
mΩ
mΩ
ms
ms
µA
µA
µA
µA
µA
V
V
V
V
V
Current
Protect
Sense/
Driver
Logic
+
EN=GND
Standby mode
Active mode
V
P
P
V
V
V
V
V
SCP/TSD operated
EN
VCC
VCC
ADJ
ADJ
CC
CC
ADJ
Technical Note
2010.04 - Rev.B
=5V
=4→0V
=0→4V
=H
=L
=H
=5V
=5V
Conditions
8
7
6
5
4
V
PV
SW
PGND
GND
CC
CC
Input
Output