LM2734YQMKE/NOPB National Semiconductor, LM2734YQMKE/NOPB Datasheet - Page 16

• 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

www.national.com
Part ID
U1
C1, Input Cap
C2, Output Cap
C3, Boost Cap
D1, Catch Diode
D2, Boost Diode
D3, Zener Diode
L1
R1
R2
R3
Part Value
1A Buck Regulator
10µF, 25V, X7R
22µF, 16V, X5R
0.01µF, 16V, X7R
0.4V
1V
4.3V 350mw SOT-23
6.8µH, 1.6A,
102kΩ, 1%
10.2kΩ, 1%
100kΩ, 1%
F
@ 50mA Diode
F
V
Schottky 1A, 30VR
BOOST
Derived from Series Zener Diode (V
FIGURE 10. LM2734X (1.6MHz)
Bill of Materials for
15V to 9V/1A
16
Part Number
LM2734X
C3225X7R1E106M
C3216X5R1C226M
C1005X7R1C103K
SS1P3L
1N4148W
BZX84C4V3
SLF7032T-6R8M1R6
CRCW06031023F
CRCW06031022F
CRCW06031003F
Figure 10
OUT
)
Manufacturer
National Semiconductor
TDK
TDK
TDK
Vishay
Diodes, Inc.
Diodes, Inc.
TDK
Vishay
Vishay
Vishay
20102350