BD9740KN-E2 Rohm Semiconductor, BD9740KN-E2 Datasheet - Page 2

• Manufacturer Part Number: BD9740KN-E2
• Description: IC SWITCH REG W/FET 48UQFN
• Manufacturer: Rohm Semiconductor
• Series: -r
• Type: Step-Down (Buck), Step-Up (Boost), Inverting, PWMr

Specifications of BD9740KN-E2

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 7
• Voltage - Output: -
• Current - Output: 30mA
• Frequency - Switching: 100kHz ~ 1.2MHz
• Voltage - Input: 1.5 V ~ 10 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-VFQFN
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

●Absolute maximum ratings
●Recommended operating ranges
BD9739KN,BD9740KN
© 2010 ROHM Co., Ltd. All rights reserved.
www.rohm.com
Maximum supply voltage
Power dissipation
Operating temperature range
Storage temperature range
Junction temperature
*1:
*2:
Supply voltage
[Oscillator]
Oscillating frequency
[Driver block]
DRAIN pin input voltage
N-channel FET output current
(step-down)
N-channel FET output current
(step-up)
LED channel output current
Driver output current
Driver peak current
Startup NPN TR sink current
[Positive/negative regulators]
SWOUT1 pin sink current
PGOUT1 pin source current
PG23 pin sink current
SWOUT4 pin source current
SWOUT6 pin source current
SWOUT7 pin source current
IC without heat sink operation. Reduce by 5.5 mW/℃ (1-2), or 5.0 mW/℃ (1-3) when Ta ≥ 25℃.
When mounted on a PCB (70 mm 70 mm 1.6 mm (thickness), glass epoxy).
Reduced by 10.0 mW/℃ (2-2), or 7.6 mW/℃ (2-3), when Ta ≥ 25℃.
Parameter
Parameter
Parameter
SWOUT1,4,PGIN1,PG2,3
Symbol
I
I
I
I
I
I
V
NPNSINK
SWOUT1
SWOUT4
SWOUT6
SWOUT7
I
I
PGOUT1
I
I
I
OFET1
OFET2
f
I
DRAIN
OLED
PEAK
PG23
OSC
OUT
DRAIN*H, DRAIN*L
VBAT,VCC,PVCC
PVCCL, PVCCH
PVCCH,PVCCL
VCC, PVCC
Symbol
OUT1B
OUT2B
Symbol
SWIN*
VBAT
Topr
T
Tstg
Pd
jmax
Min.
0.1
—
—
—
—
—
—
—
—
—
—
—
—
—
Ratings
2/14
Typ.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
BD9739KN
BD9739KN
-0.3 to +12
-0.3 to +20
-0.3 to +17
-0.3 to +12
-0.3 to +20
-0.3 to +15
-0.3 to +12
UQFN64
1.5 to 10
1.5 to 10
4.0 to 14
1000
550
Max.
700
300
200
500
100
1.2
10
40
30
10
50
50
50
1
*1-2
*2-2
-55～+125
-25～+85
Ratings
Ratings
+125
MHz
BD9740KN
BD9740KN
-0.3 to +12
-0.3 to +15
-0.3 to +12
-0.3 to +20
Unit
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
UQFN48
1.5 to 10
2.8 to 10
4.0 to 14
V
500
760
―
―
―
*1-3
*2-3
External FET drive circuit
External FET drive circuit
(BD9739KN)
Unit
mW
Unit
℃
℃
℃
Conditions
V
V
V
V
V
V
V
V
V
V
Technical Note
2010.09 - Rev.A