BD9775FV-E2 Rohm Semiconductor, BD9775FV-E2 Datasheet - Page 2

• Manufacturer Part Number: BD9775FV-E2
• Description: IC REG SW STEP DOWN HE 28-SSOP
• Manufacturer: Rohm Semiconductor
• Type: Step-Down (Buck)r

Specifications of BD9775FV-E2

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Current - Output: 400mA
• Frequency - Switching: 100kHz
• Voltage - Input: 6 ~ 30 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP
• Power - Output: 640mW
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: BD9775FV-E2TR

●Operating conditions (Ta=25℃)
★This product is not designed to provide resistance against radiation.
*1 After more than 4.5V, voltage range.
*2 In case of using less than 6V, Short to VCC, EXTVCC and VREG5.
●Electrical characteristics (Unless otherwise specified, Ta=25℃
［FET Driver Block］
Note: Not all shipped products are subject to outgoing inspection.
［Error Amp Block］
［Oscillator］
［Over Current Protection Block］
［VREG Block］
［Soft start block］
Feedback reference voltage
Feedback reference voltage
HG high side ON resistance
LG high side ON resistance
HG low side ON resistance
VREG33 reference voltage
LG low side ON resistance
VREG5 hysteresis voltage
VREG5 threshold voltage
Open circuit voltage gain
Synchronous pulse duty
Shutdown mode current
Synchronous frequency
Synchronous frequency
VREG5 output voltage
VO input bias current
CL threshold voltage
CL threshold voltage
（Ta=-40 to 105℃）
BOOT－SW voltage
(Ta=-40 to 105℃)
(Ta=-40 to 105℃)
Carrier frequency
Carrier frequency
VIN bias current
Input voltage 1
Input voltage 2
Min OFF pulse
Charge current
Charge current
Parameter
Parameter
DVREG_UVLO
VREG_UVLO
BOOT－SW
EXTVCC
VREG33
Symbol
VREG5
Symbol
Vswth+
HGhon
LGhon
SYNC
HGlon
FOSC
VOB+
LGlon
Fsync
Vswth
TMIN
Averr
OSC
VCC
Duty
VOB
ISS+
IVo+
ISS
IST
IIN
0.792
0.784
Min.
270
4.8
3.0
2.6
6.5
70
67
50
3.9
3.9
6
-
-
-
-
-
-
-
-
-
OSC
Min.
250
4.5
40
-
*1 *2
*1 *2
2/29
VCC=12V STB=5V EN1,2=5V
0.800
0.800
Limit
Typ.
300
500
100
1.5
1.0
1.5
0.5
3.3
2.8
46
90
90
10
10
5
0
5
-
Typ.
300
100
12
12
50
5
-
0.808
0.816
Max.
13.5
330
110
113
200
5.2
3.6
3.0
10
10
14
1
-
-
-
-
-
-
Unit
μA
μA
kHz
kHz
ｍV
ｍV
μA
μA
mA
mV
dB
VREG5
Ω
Ω
Ω
Ω
V
V
V
V
V
Max.
550
550
30
30
60
)
-
VSTB=0V
Ta=-40 to 105℃ ※
RT=100 kΩ
RT=100 kΩ,SYNC=500kHz
Ta=-40 to 105℃ ※
IREF=6mA
IREG=6mA
VREG:Sweep down
VREG:Sweep up
VSS=1V
VSS=1V,Ta=-40 to 105℃ ※
nsec
Unit
kHz
kHz
％
V
V
V
Conditions