MB39C007 Datasheet, PDF (3/52 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
■ PIN DESCRIPTIONS
Pin No.
Pin Name
1
CTLP
2, 3
4
5
6
7
8, 23
9, 22
10, 21
11, 12
19, 20
13, 18
14, 15
16, 17
24
CTL2, CTL1
AGND
AVDD
VREF
VDET
VREFIN1, VREFIN2
MODE1, MODE2
OUT1, OUT2
DVDD1
DVDD2
LX1, LX2
DGND1
DGND2
XPOR
I/O
Description
I
Voltage detection circuit block control input pin.
(L : Voltage detection function stop / H : Normal operation)
I
DC/DC converter block control input pins.
(L : Shut down / H : Normal operation)
⎯ Control block ground pin.
⎯ Control block power supply pin.
O Reference voltage output pin.
I Voltage detection input pin.
I Error amplifier (Error Amp) non-inverted input pins.
I
Operation mode switch pins.
(L : PFM/PWM mode / OPEN : PWM mode)
I Output voltage feedback pins.
⎯ Drive block power supply pins.
O
Inductor connection output pins.
High impedance during shut down.
⎯ Drive block ground pins.
O
VDET circuit output pin.
Connected to an N-ch MOS open drain circuit.
DS04-27246-2E
3