MB39C308 Datasheet, PDF (14/60 Pages) Fujitsu Component Limited. – 6ch DC/DC Converter IC for LPIA Platform VR

MB39C308
Parameter
OUT1L sink current
OUT1H on resistance
CH1 block
[CH1]
OUT1L on resistance
Vo1 output over voltage
threshold
Vo1 over current limit
FB1 input resistance
Soft Start time
CH2 output voltage
PVDD2 standby current
CH2 efficiency
OUT2H source current
CH2 block
[CH2]
OUT2H sink current
OUT2L source current
OUT2L sink current
OUT2H on resistance
OUT2L on resistance
Symbol
IsinkN1
ROH1
ROL1
ROH1
ROL1
(Ta = + 25 °C, AVDD = PVDD1 to PVDD7 = 7.2 V)
Condition
Value
Unit
Min Typ Max
Duty ≤ 5%, VB pin = 5 V,
LX1 pin = 0 V,
OUT1L pin = 5 V
⎯ 400*¹ ⎯ mA
OUT1H pin = −15 mA
⎯ 12 18 Ω
OUT1H pin = 15 mA
⎯ 12 18 Ω
OUT1L pin = −15 mA
⎯ 12 18 Ω
OUT1L pin = 15 mA
⎯ 12 18 Ω
Vo1 FB1 pin
5.9*¹ 6*¹ 6.1*¹ V
IOCP1
Io1
RonH1 = 32 mΩ, L = 3.3 μH
RFB1 FB1 pin
SS1
FB1 pin
SS1 = SS2 = AGND pin
Vo2 FB2 pin
IPVDD2S
CTL2 pin = 0 V,
PVDD2 pin = 12.6 V
ηL2
0.05 × Io (Max) < Io <
0.3 × Io (Max)
ηT2
0.3 × Io (Max) < Io <
0.6 × Io (Max)
ηF2 0.6 × Io (Max) < Io < Io (Max)
Duty ≤ 5%, CB2 pin = 5 V,
IsourceH2 LX2 pin = 0 V,
OUT2H pin = 0 V
Duty ≤ 5%, CB2 pin = 5 V,
IsinkH2 LX2 pin = 0 V,
OUT2H pin = 5 V
Duty ≤ 5%, VB pin = 5 V,
IsourceN2 LX2 pin = 0 V,
OUT2L pin = 0 V
Duty ≤ 5%, VB pin = 5 V,
IsinkN2 LX2 pin = 0 V,
OUT2L pin = 5 V
ROH2 OUT2H pin = −15 mA
ROL2 OUT2H pin = 15 mA
ROH2 OUT2L pin = −15 mA
ROL2 OUT2L pin = 15 mA
3.4*¹ 4.0*¹ 4.6*¹ A
⎯ 340 ⎯ kΩ
1.19 1.4 1.61 ms
3.135 3.3 3.465 V
⎯ ⎯ 15 μA
87*³ ⎯ ⎯ %
92*³ ⎯ ⎯ %
92*³ ⎯ ⎯ %
⎯ − 400 ⎯ mA
⎯ 400 ⎯ mA
⎯ − 400 ⎯ mA
⎯ 400 ⎯ mA
⎯ 12 18 Ω
⎯ 12 18 Ω
⎯ 12 18 Ω
⎯ 12 18 Ω
(Continued)
14
DS04-27261-6E