BD9142MUV Datasheet, PDF (2/5 Pages) Rohm – Silicon Monolithic Integrated Circuit

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○ELECTRICAL CHARACTERISTICS
（Unless otherwise specified , Ta=25℃, QVCC =5V, EN= QVCC）
Parameter
Limit
Symbol
Min.
Typ.
Standby Current
ISTB
-
0
Bias Current
ICC
-
400
EN Low Voltage
VENL
-
GND
EN High Voltage
VENH
2.0
Vcc
EN Input Current
IEN
-
10
Oscillation Frequency
FOSC
0.8
1
INPUT FET ON Resistance
RONI
-
4.5
Highside FET ON Resistance
RONH
-
130
Lowside FET ON Resistance
RONL
-
130
ADJ Reference Voltage
VADJ
0.788
0.800
ITH SINK Current
ITHSI
10
20
ITH Source Current
ITHSO
10
20
UVLO Threshold Voltage
VUVLO1
3.8
4.0
UVLO Release Voltage
VUVLO2
3.85
4.1
DET Threshold Voltage
VDETRST
0.78
0.8
DET Release Voltage
VDETST
0.785
0.81
CTL Pch ON Resistance
RONPCTL
-
110
CTL Nch ON Resistance
RONNCTL
-
110
Soft Start Time
TSS
0.5
1
Timer Latch Time
TLATCH
0.5
1
Output Short circuit Threshold Voltage
VSCP
-
0.40
Max.
10
600
0.8
-
20
1.2
7.2
210
210
0.812
-
-
4.2
4.4
0.82
0.84
165
165
2
2
0.56
Unit
uA
uA
V
V
uA
MHz
Ω
mΩ
mΩ
V
uA
uA
V
V
V
V
Ω
Ω
ms
ms
V
Condition
EN=0
Standby
Active
VEN=5V
VADJ=1V
VADJ=0.6V
QVCC=5→0V
QVCC=0→5V
PVcc=5V, Id=1mA
PVcc=5V, Id=1mA
VADJ=0.8→0V
○PHYSICAL DIMENSION
4.0±0.1
D9142
Lot No.
S
0.08 S
C0.2 ^2.4±0.1
1
6
24
7
19
18
0.75
0.5
12
13
0.25^+-00..0045
VQFN024V4040 (Unit:mm)
○BLOCK DIAGRAM
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Pin name
SW
SW
SW
SW
SW
SW
N.C.
PVCC
PVCC
BST
QVCC
DET
N.C.
AVCC
N.C.
AGND
EN
CTL
ADJ
ITH
VREG
PGND
PGND
N.C.
Function
SW pin
SW pin
SW pin
SW pin
SW pin
SW pin
Non Connection
Highside FET drain pin
Highside FET drain pin
Bootstrapped voltage input pin
QVCC power supply input pin
Detector pin
Non Connection
AVCC power supply input pin
Non Connection
Ground
Enable pin (High Active)
External FET control pin
Output voltage detect pin
GmAmp output pin
Internal voltage regulator
Lowside FET source pin
Lowside FET source pin
Non Connection
REV. A