ha16116fpj Renesas Electronics Corporation., ha16116fpj Datasheet - Page 4

• Manufacturer Part Number: ha16116fpj
• Description: Switching Regulator For Chopper Type Dc/dc Converter
• Manufacturer: Renesas Electronics Corporation.

HA16116FP/FPJ, HA16121FP/FPJ
Pin Functions
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Notes: 1. Here “output stage” refers to the power MOS FET driver circuits, and “signal circuitry” refers to all
Rev.2.0, Sep.18.2003, page 4 of 33
2. Noninverting input of the channel 2 error amp is connected internally to Vref.
other circuits on the IC. Note that this IC is not protected against reverse insertion, which can
cause breakdown of the IC between V
S.GND
C
R
IN(+)1
IN(–)1
E/O1
DB1
CL1
OUT1
P.GND
P.V
OUT2
CL2
DB2
E/O2
IN(–)2
ON/OFF
TIM
Vref
S.V
Symbol
T
T
IN
IN
Function
Signal circuitry*
Timing capacitance (triangle wave oscillator output)
Timing resistance (for bias current synchronization)
Error amp. noninverting input (1)
Error amp. inverting input (1)
Error amp. output (1)
Dead band timer off period adjustment input (1)
Overcurrent detection input (1)
PWM pulse output (1)
Output stage*
Output stage*
PWM pulse output (2)
Overcurrent detection input (2)
Dead band timer off period adjustment input (2)
Error amp. output (2)
Error amp. inverting input (2)*
IC on/off switch input (off when grounded)
Setting of intermittent operation timing when overcurrent is detected
(collector input of timer transistor)
2.5 V reference voltage output
Signal circuitry*
1
1
ground
power supply input
1
1
ground
power supply input
IN
and GND. Be careful to insert the IC correctly.
2
Channel 1
Channel 2