LM2734YQMKE/NOPB National Semiconductor, LM2734YQMKE/NOPB Datasheet - Page 12

• 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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LM2734X Circuit Examples
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, 6.3V, X5R
10µF, 6.3V, X5R
0.01uF, 16V, X7R
0.3V
1V
4.7µH, 1.7A,
8.87kΩ, 1%
10.2kΩ, 1%
100kΩ, 1%
F
@ 50mA Diode
F
Schottky 1A, 10VR
FIGURE 6. LM2734X (1.6MHz)
Bill of Materials for
V
BOOST
5V to 1.5V/1A
Derived from V
12
Part Number
LM2734X
C3216X5ROJ106M
C3216X5ROJ106M
C1005X7R1C103K
MBRM110L
1N4148W
VLCF4020T- 4R7N1R2
CRCW06038871F
CRCW06031022F
CRCW06031003F
Figure 6
IN
Manufacturer
National Semiconductor
TDK
TDK
TDK
ON Semi
Diodes, Inc.
TDK
Vishay
Vishay
Vishay
20102342