BD9610AMUV-E2 Datasheet, PDF (2/30 Pages) Rohm – 60V Synchronous Step-down Switching Regulator(Controller type)

BD9610AMUV
●Pin Configuration
15
14
13 12
11
16
10
17
9
18
Thermal Pad ^(＊)
8
19
7
20
6
1
2
3
4
5
(＊) Recommend connecting Thermal Pad to GND
for increasing radiation characteristic.
●Block Diagram
●Pin Description
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Pin Name
GND
SS
INV
FB
RCL
RT
RTSS
CLKOUT
PGND
SYNC
LG
REG10
LX
HG
BST
CLL
CLH
VCC
CTL
REG5
Description
GROUND
Soft-start programming
Inverting input to the error amplifier
Output of the error amplifier
Current limit programming
Frequency programming
Reference of the RT voltage
Output of Internal clock pulse
GROUND
Syncronization input for the device
Gate drive for low-side N-channel FET
Output of 10V regulator for gate drive
This pin is connected to the switched node of the converter
Gate drive for high-side N-channel FET
Gate drive voltage for the high side N-channel FET
Inverting input to current detector
Input to current detector
Power supply
Shutdown pin
Output of 5V regulator for internal circuit
CTL
FB
INV
SS
REG5
stb
REG5
REG5
ERR
0.8V±1%
VCC
REG5
5V
REG ^stb
VCC
VCC
UVLO
(VCC,REG5,
REG10)
TSD
uvlo
ocp
tsd
REG5
Pulse by pulse
Hiccup
After 2count
stb
ocp
uvlo
REG5
tsd
OCP
PWM
LOGIC
DRV
uvlo
Low-side
Min. ON
REG5
VCC
OSC
(Internal/Synchronize)
stb _10V
REG
DRV
CLH
CLL
RCL
BST
HG
LX
REG10
LG
GND
RTSS _RT SYNC
CLKOUT ^PGND
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TSZ02201-0Q1Q0AJ00010-1-2
24.OCT.2014 Rev.002