BD95830MUV 查看數據表（PDF） - ROHM Semiconductor
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BD95830MUV
ROHM Semiconductor
BD95830MUV Datasheet PDF : 16 Pages
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BD95830MUV
Technical Note
●Block Diagram
VOUT1
VOUT1
23
EN1/UVLO
VIN
VINS
3
VREG
4
EN1
EN2
5VReg
VREG
VREG
EN1
Soft
SS1
UVLO
Start
H3RegTM
Controller
Block
RQ
S
Driver
OCP1 Circuit
SW1
VREG
FB1
22
VREG
5
VCC
EN1 24
EN2 17
Reference
Block
REF1
SS1
REF1
REF2
BG
+
-+ UVLO
OCP1
SCP
TSD
UVLO
0.96V
FB1
UVLO
+
-
OVP1
EN1
SCP
Delay
+
-
OVP
OVP2
+
-
EN2
OVP
0.56V
FB1
0.56V
FB2
VREG
VOUT2
VOUT2
18
Thermal
Protection
TSD
EN2/UVLO
0.96V +
FB2 -
VINS
EN2
UVLO
19
FB2
Soft
SS2
Start
REF2 +
SS2 -+
UVLO
OCP2
SCP
TSD
6, 20
GND
H3RegTM
Controller
Block
RQ
S
Driver
Circuit
OCP2
SW2
VREG
OVP
21
TEST
BOOT1
25
VIN
1 VIN1
2
32
26
27
28 SW1
29 PGND1
30
31
BOOT2
16
VIN
7 VIN2
8
9
13
14
SW2
15
10 PGND2
11
12
VOUT1
VOUT2
●Pin Configuration
24 23 22 21 20 19 18 17
BOOT1 25
SW1 26
SW1 27
SW1 28
PGND1 29
PGND1 30
PGND1 31
VIN1 32
12345678
●Pin Function
PIN PIN
No. Name
PIN Function
1,2,32
3
4
VIN1
VINS
VREG
Power Supply Voltage Input Pin for 1ch.
Power Supply Voltage Sense Pin.
Input Pin for VREG.
Reference Voltage Inside IC.
16 BOOT2
15 SW2
14 SW2
5
VCC 5V Power Supply Input Pin.
6,20 GND Sense GND.
7-9 VIN2 Power Supply Voltage Input Pin for 2ch.
10-12 PGND2 Power GND for 2ch.
13 SW2
13-15 SW2 High side FET Source Pin 2.
12 PGND2
11 PGND2
10 PGND2
16 BOOT2 High side FET Gate Driver Power Supply Pin 2.
17
EN2
Enable Input Pin 2.
(0～0.3V:OFF, 2.2～15V:ON).
18 VOUT2 Output Voltage Sense / Discharge Pin 2.
9 VIN2
19 FB2 Output Voltage Feedback Pin 2.
21 TEST Pin for TEST. Connect to GND.
22 FB1 Output Voltage Feedback Pin 1.
23 VOUT1 Output Voltage Sense / Discharge Pin 1.
24
EN1
Enable Input Pin 1.
(0～0.3V:OFF, 2.2～15V:ON).
25 BOOT1 High side FET Gate Driver Power Supply Pin 1.
26-28 SW1 High side FET Source Pin 1.
29-31 PGND1 Power GND for 1ch.
reverse FIN Exposed Pad, Connect to GND.
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4/13
2011.05 - Rev.B
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