LM34923MM/NOPB National Semiconductor, LM34923MM/NOPB Datasheet - Page 5

• Manufacturer Part Number: LM34923MM/NOPB
• Description: "75V, 650mA Non-synch Buck "
• Manufacturer: National Semiconductor
• Series: -r
• Type: Step-Down (Buck)r

Specifications of LM34923MM/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 2.5 V ~ 75 V
• Current - Output: 600mA
• Frequency - Switching: 50kHz ~ 600kHz
• Voltage - Input: 6 V ~ 75 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Typical Performance Characteristics
5
4
3
2
1
0
7.5
I
CC
Efficiency at 300 kHz, 10V
vs. Externally Applied V
8.0
DCM
900 kHz, D1
200 kHz, D1
V
CC
APPLIED VCC (V)
vs. V
8.5
IN
9.0
CC
9.5
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10.0
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5
100
Efficiency Comparison at 200 kHz
90
80
70
60
50
0
On-Time vs. V
100
6V, D1
V OUT =5V, D1=DFLS1100
LOAD CURRENT (mA)
24V, D1
V
CC
200
7.5V, D1
vs. I
300
IN
CC
and R
400
T
500
30141707
30141727
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600
30141767