BD9850FVM-TR Rohm Semiconductor, BD9850FVM-TR Datasheet - Page 5

• Manufacturer Part Number: BD9850FVM-TR
• Description: IC REG SW STEP DOWN HI EFF 8MSOP
• Manufacturer: Rohm Semiconductor
• Type: Step-Down (Buck)r
• Series: -r

Specifications of BD9850FVM-TR

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Current - Output: 200mA
• Frequency - Switching: 100kHz ~ 2MHz
• Voltage - Input: 4 ~ 9 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Power - Output: 587mW
• Mounting Style: SMD/SMT
• Pwm Type: Controller
• Frequency - Max: 2MHz
• Duty Cycle: -
• Voltage - Supply: 4 V ~ 9 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

(BD9850FVM)
Characteristic data
Fig.1 Error Amp threshold voltage vs. Ambient temperature
Fig.3 (Vcc-OUT) Voltage vs. Output source current
Fig.5 V
1.015
1.005
0.995
0.985
1000
1.02
1.01
0.99
0.98
900
800
700
600
500
400
300
200
100
2.53
2.52
2.51
2.49
2.48
2.47
2.5
0
1
–40
–40
0
AMBIENT TEMPERATURE : Ta(˚C)
0.25
AMBIENT TEMPERATURE : Ta [˚C]
REF
–20
–20
(V
vs. Ambient temperature
0.5
CC
-OUT)VOLTAGE : VO(V)
0
0
0.75
20
20
1
1.25
40
40
Vcc=10V
Vcc=4V
Vcc=7V
1.5
60
60
1.75
80
80
2
5/16
Fig.6 Oscillation frequency vs. Ambient temperature
Fig.4 Output voltage vs. Output sink current
1000
100
900
800
700
600
500
400
300
200
100
650
640
630
620
610
600
590
580
570
560
550
90
87
70
60
50
40
30
20
10
0
1.5
Fig.2 FB voltage vs. ON Duty
–40
0
0.25
AMBIENT TEMPERATURE : Ta [˚C]
RT= 24kΩ
1.6
–20
FB VOLTAGE : VFB(V)
0.5
OUT VOLTAGE : VO(V)
1.7
0
0.75
1.8
20
1
1.9
1.25
40
Vcc=10V
Vcc=4V
Vcc=7V
2
1.5
60
2.1
1.75
80
2.2
2