Daattaasshheeeett
BU9000xGWZ series
●Electrical Characteristic(s) (unless otherwise specified VIN=3.6V, Ta=25℃)
Rating
Typ.
Item
Symbol
Unit
%
Condition
Min.
-2
Max.
+2
【Switching regulator】
MODE:H(PWM Operation)
MODE:L(PFM Operation)
-
Output voltage accuracy
Maximum load current
VOUTA
-2
-
-
-
-
-
-
+3
1.0
0.8
0.6
3.0V≦VIN<5.5V
2.7V≦VIN<3.0V
2.3V≦VIN<2.7V
IoutMAX1
IoutMAX2
IoutMAX3
A
A
A
-
MODE:L(PFM Operation)
(BU90005GWZ,)
IoutMAX4
-
-
0.1
A
【Soft start】
( BU90002GWZ, BU90003GWZ,
BU90004GWZ, BU90005GWZ,
BU90006GWZ, BU90007GWZ,
BU90009GWZ )
65
55
120
110
240
220
usec
usec
Soft start time
【Frequency control】
Tss
( BU90008GWZ )
No load, MODE:H
( BU90002GWZ,BU90005GWZ,
BU90006GWZ)
5.4
6.0
6.6
MHz
No load, MODE:H
4.8
3.6
3.2
3.8
5.4
4.0
3.6
4.3
6.0
4.4
4.0
4.8
MHz
MHz
MHz
MHz
( BU90004GWZ )
No load, MODE:H
( BU90003GWZ, BU90007GWZ )
Switching frequency
fosc
No load, MODE:H
( BU90008GWZ )
No load, MODE:H
( BU90009GWZ )
【Driver】
VIN=5.0V
VIN=3.6V
VIN=5.0V
VIN=3.6V
RonP1
RonP2
RonN1
RonN2
-
-
250
300
220
250
400
450
350
380
mOhm
mOhm
mOhm
mOhm
PchFET on resistance
NchFET on resistance
【Control】
Operation
VENH
VENL
1.4
0
-
-
-
VIN
0.4
V
V
V
EN pin control
voltage
Non Operation
Operation
Forced PWM
VMODEH
1.4
VIN
MODE pin
Automatic PFM/PWM
(BU90005GWZ : Forced PFM)
control voltage
Non Operation
VMODEL
0
-
0.4
V
【UVLO】
Protect threshold voltage
Hysteresis
Uvth
1.95
50
2.05
100
2.15
150
V
Uvhy
mV
【Current limit】
PMOS current detect,
Open loop
Current limit threshold
ILIMIT
DRES
1.5
15
1.7
30
1.9
60
A
【Output discharge】
Output discharge resistance
【Circuit current】
EN=0V, FB=0.5V
Ohm
No load, EN:H, MODE:L,
VOUT=3.6V forced
Not switching
( BU90003GWZ, BU90004GWZ,
BU90005GWZ, BU90007GWZ,
BU90008GWZ, BU90009GWZ )
IINS1
-
45
65
uA
No load, EN:H, MODE:L,
VOUT=3.6V forced
Not switching
( BU90002GWZ,BU90006GWZ )
IINS2
IQ1
-
-
55
80
-
uA
Operating quiescent current
No load, EN:H, MODE:H,
PWM operation
L:LQM21MPN1R0NG0
( BU90003GWZ )
5.2
mA
No load, EN:H, MODE:H,
PWM operation
L:LQM21MPN1R0NG0
( BU90004GWZ )
IQ2
-
-
5.6
0
-
mA
uA
Shutdown current
SHD
1
EN=0V
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TSZ02201-0F2F0AG00010-1-2
7.Jul.2015 Rev.007
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