MB39C007 Datasheet, PDF (11/52 Pages) Fujitsu Component Limited. – 2 ch DC/DC Converter IC Built-in Switching FET & voltage detection function, PFM/PWM Synchronous Rectification, and Down Conversion Support

MB39C007
■ ELECTRICAL CHARACTERISTICS
(Ta = +25 °C, AVDD = DVDD1 = DVDD2 = 3.7 V, VOUT1/VOUT2 setting value = 2.5 V, MODE1/MODE2 = 0 V)
Parameter
Sym-
bol
Pin No.
Condition
Value
Unit
Min Typ Max
Input current
IREFIN 8, 23 VREFIN = 0.15 V to 1.3 V
− 100 0
+ 100 nA
Output voltage VOUT
VREFIN = 0.833 V,
OUT = −100 mA
2.45 2.50 2.55 V
Input stability
LINE
2.5 V ≤ AVDD = DVDD1 =
10, 21 ^{DVDD2 ≤ 5.5 V*1}
⎯
⎯
10 mV
Load stability LOAD
−100 mA ≥ OUT ≥ −800 mA ⎯
⎯
10 mV
OUT pin input
impedance
ROUT
OUT = 2.0 V
0.6
1.0
1.5 MΩ
LX Peak current IPK
Output shorted to GND
0.9
1.2
1.7 A
DC/DC
PFM/PWM
switch current
IMSW _{13, 18}
⎯
converter _Oscillation
block
frequency
fosc
⎯
⎯
30
⎯ mA
1.6
2.0
2.4 MHz
Rise delay time
tPG
2, 3, C1/C2 = 4.7 μF, OUT = 0 A,
10, 21 OUT1/OUT2 : 0 → 90% VOUT
⎯
45
80 μs
SW NMOS-FET
OFF voltage
VNOFF
⎯
⎯
− 10* ⎯ mV
SW PMOS-FET
ON resistance
SW NMOS-FET
ON resistance
RONP
RONN
LX1/LX2 = −100 mA
13, 18
LX1/LX2 = −100 mA
⎯
0.30 0.48 Ω
⎯
0.20 0.42 Ω
LX leak current
ILEAKM
ILEAKH
0 ≤ LX ≤ VDD*²
− 1.0 ⎯
+ 8.0 μA
VDD = 5.5 V, 0 ≤ LX ≤ VDD*² − 2.0 ⎯ + 16.0 μA
Overheating
TOTPH
+ 120* + 135* + 160* °C
protection
⎯
⎯
Protection ^{(Junction Temp.) TOTPL}
+ 95* + 110* + 125* °C
circuit
block
UVLO threshold ^VTHHUV
voltage
VTHLUV
5, 11,
12, 19,
⎯
2.17 2.30 2.43 V
2.03 2.15 2.27 V
UVLO
hysteresis width
VHYSUV
20
⎯
0.08 0.15 0.25 V
XPOR threshold ^VTHHPR
voltage
VTHLPR
7
⎯
Voltage
detection
XPOR
hysteresis width
VHYSPR
⎯
circuit
block
XPOR output
voltage
XPOR output
current
VOL
XPOR = 25 μA
24
IOH
XPOR = 5.5 V
575 600 625 mV
558 583 608 mV
⎯
17
⎯ mV
⎯
⎯
0.1 V
⎯
⎯
1.0 μA
* : This value is not be specified. This should be used as a reference to support designing the circuits.
(Continued)
DS04-27246-2E
11