MB39A102_05 Datasheet, PDF (22/32 Pages) Tyco Electronics – 4-ch DC/DC Converter IC

MB39A102
■ I/O EQUIVALENT CIRCUIT
〈〈Reference voltage block〉〉
VCC ⁵
1.24 V
ESD
protection
element
GND ¹⁰
+
−
77.3
kΩ
124
kΩ
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 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
VREF
(2.0 V)
−INEx
CSx
FBx
1.24 V
〈〈Short detection comparator block〉〉
VCC
VREF
(2.0 V)
−INS 20
83 kΩ
(1 V)
GND
GND
〈〈PWM comparator block (CH1 to CH4) 〉〉
VCC
〈〈Output block (CH1 to CH4) 〉〉
VCCO 26
FBx
DTCx
GND
22
CT
GNDO 21
OUTx
x : Each channel No.