MB39A103 Datasheet, PDF (23/33 Pages) List of Unclassifed Manufacturers – 4-Channel DC/DC Converter IC with Support for Low Voltage

MB39A103
■ I/O EQUIVALENT CIRCUIT
〈〈Reference voltage block〉〉
VCC ⁵
1.24 V
ESD
protection
element
+
−
77.3
kΩ
124
kΩ
GND ¹⁰
ESD
protection
element
7 VREF
ESD
protection
element
〈〈Control block〉〉
CTL ⁶
67
kΩ
104
kΩ
GND
〈〈Soft-start block〉〉
VREF
(2.0 V)
CSx
GND
〈〈Short-circuit detection block〉〉
VREF
(2.0 V)
2 kΩ
11 CSCP
GND
〈〈Triangular wave oscillator
block (RT) 〉〉
VREF
(2.0 V)
0.7 V +
−
8 RT
〈〈Triangular wave oscillator
block (CT)〉〉
VREF
(2.0 V)
CT 9
GND
GND
〈〈Error amplifier block (CH1 to CH4) 〉〉
VCC
〈〈Short-circuit detection comparator block〉〉
VCC
VREF
(2.0 V)
−INEx
CSx
1.24 V
VREF
(2.0 V)
100 kΩ
−INS 20
(1 V)
FBx
GND
〈〈PWM comparator block (CH1 to CH4) 〉〉
VCC
GND
〈〈Output block (CH1 to CH4) 〉〉
VCCO 26
FBX
DTCX
GND
CT
GNDO 21
OUTX
x: Each channel No.
23