LM2734YQMKE/NOPB National Semiconductor, LM2734YQMKE/NOPB Datasheet - Page 18

• Manufacturer Part Number: LM2734YQMKE/NOPB
• Description: IC REG DCDC PWM BUCK 1A TSOT23-6
• Manufacturer: National Semiconductor
• Type: Step-Down (Buck)r

Specifications of LM2734YQMKE/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 18 V
• Current - Output: 1A
• Frequency - Switching: 550kHz
• Voltage - Input: 3 ~ 20 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: TSOT-23-6, TSOT-6
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: LM2734YQMKETR

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Part ID
U1
C1, Input Cap
C2, Output Cap
C3, Boost Cap
D1, Catch Diode
D2, Boost Diode
L1
R1
R2
R3
Part Value
1A Buck Regulator
10µF, 25V, X7R
22µF, 6.3V, X5R
0.01µF, 16V, X7R
0.34V
0.6V
10µH, 1.6A,
31.6kΩ, 1%
10.0 kΩ, 1%
100kΩ, 1%
F
F
@ 30mA Diode
Schottky 1A, 30VR
FIGURE 12. LM2734Y (550kHz)
Bill of Materials for
V
BOOST
12V to 3.3V/1A
Derived from V
18
Part Number
LM2734Y
C3225X7R1E106M
C3216X5ROJ226M
C1005X7R1C103K
SS1P3L
BAT17
SLF7032T-100M1R4
CRCW06033162F
CRCW06031002F
CRCW06031003F
Figure 12
OUT
Manufacturer
National Semiconductor
TDK
TDK
TDK
Vishay
Vishay
TDK
Vishay
Vishay
Vishay
20102343