MB39C308 Datasheet, PDF (13/60 Pages) Fujitsu Component Limited. – 6ch DC/DC Converter IC for LPIA Platform VR

MB39C308
(Ta = + 25 °C, AVDD = PVDD1 to PVDD7 = 7.2 V)
Parameter
Symbol
Condition
Value
Unit
Min Typ Max
VSEL34, “H” level
VLGH VSEL34, DVSEL6 pin
2
⎯ ⎯V
Output voltage
select block
[VSEL34,
DVSEL6]
VSEL34, “L” level
Input current
VLGL VSEL34, DVSEL6 pin
ISELH
VSEL34, DVSEL6
pin = 3 V
ISELL
VSEL34, DVSEL6
pin = 0 V
⎯ ⎯ 0.8 V
23 30 43 μA
⎯⎯
1 μA
Low side threshold
voltage
VPGL
FB1 to FB6 pin
PG1 to PG6 pin
Vo × Vo × Vo ×
0.85 0.9 0.95
V
Power good
detection
circuit block
[PG1 to PG6,
ALLPG]
High side threshold
voltage
Hysteresis width
PG output low
voltage
VPGH
VH
VOL
FB1 to FB6 pin
PG1 to PG6 pin
⎯
PG1 to PG6, ALLPG pin =
1 mA
Vo × Vo × Vo ×
1.05 1.1 1.15
V
⎯
Vo ×
0.03
⎯
V
⎯ 0.1 0.3 V
PG leak current
ILKPG
PG1 to PG6, ALLPG pin =
6V
⎯⎯
1 μA
Common block
AVDD standby
current
AVDD power supply
current
IAVDDS
IAVDD
CTL1 to CTL6 pin = 0 V,
AVDD pin = 12.6 V
CTL1 to CTL6 pin = 3 V
⎯⎯
1 μA
⎯ 0.25 ⎯ mA
CH1 output voltage
Vo1 FB1 pin
4.75 5 5.25 V
PVDD1 standby
current
IPVDD1S
CTL1 pin = 0 V,
PVDD1 pin = 12.6 V
⎯ ⎯ 15 μA
ηL1
0.05 × Io (Max) < Io <
0.3 × Io (Max)
87*³ ⎯
⎯%
CH1 efficiency
ηT1
0.3 × Io (Max) < Io <
0.6 × Io (Max)
92*³ ⎯
⎯%
CH1 block
[CH1]
OUT1H source
current
ηF1 0.6 × Io (Max) < Io< Io (Max) 92*³ ⎯
⎯%
Duty ≤ 5%, CB1 pin = 5 V,
IsourceH1 LX1 pin = 0 V,
OUT1H pin = 0 V
⎯ −400*¹ ⎯ mA
OUT1H sink current
IsinkH1
Duty ≤ 5%, CB1 pin = 5 V,
LX1 pin = 0 V,
OUT1H pin = 5 V
⎯ 400*¹ ⎯ mA
OUT1L source
current
Duty ≤ 5%, VB pin = 5 V,
IsourceN1 LX1 pin = 0 V,
OUT1L pin = 0 V
⎯ −400*¹ ⎯ mA
(Continued)
DS04-27261-6E
13