BL3406B-18PRN 데이터 시트보기 (PDF) - Shanghai Belling Co., Ltd.
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BL3406B-18PRN Datasheet PDF : 11 Pages
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BL3406B
1.5 MHz, 800mA Synchronous Buck Converter
Electrical Characteristics (Note 5)
(VIN =VRUN= 3.6V, TA = 25°C, unless otherwise noted.)
Parameter
Conditions
MIN TYP MAX Unit
Input Voltage Range
Input DC Supply Current
Active Mode
Shutdown Mode
Regulated Feedback
Voltage
VFB=0.5V or VOUT=90%
VFB=0V, VIN=4.2V
TA = +25°C
TA= 0°C ≤ TA ≤ 85°C
TA= -40°C ≤ TA ≤ 85°C
VFB Input Bias Current
VFB = 0.65V
Reference Voltage Line
Regulation
Regulated Output Voltage
Output Overvoltage
Lockout
Output Voltage Line
Regulation
Output Voltage Load
Regulation
Peak Inductor Current
Oscillator Frequency
RDS(ON) of P-CH MOSFET
VIN = 2.5V to 5.5V
BL3406B-1.2, -40°C ≤ TA ≤ 85°C
BL3406B-1.8, -40°C ≤ TA ≤ 85°C
∆VOVL = VOVL – VFB, Adjustable Version
∆VOVL = VOVL – VOUT, Fixed Version
VIN = 2.5V to 5.5V
VIN=3V, VFB=0.5V or VOUT=90%
Duty Cycle <35%
VFB=0.6V or VOUT=100%
ISW = 300mA
RDS(ON) of N-CH MOSFET
ISW = -300mA
2.5
0.5880
0.5865
0.5850
1.164
1.746
20
2.5
1.2
180
0.1
0.6000
0.6000
0.6000
0.04
1.200
1.800
50
7.8
0.04
0.5
1.2
1.5
0.40
0.35
5.5
300
1.0
0.6120
0.6135
0.6150
±30
0.4
1.236
1.854
80
13
0.40
1.8
0.50
0.45
V
µA
µA
V
V
V
nA
%/V
V
V
mV
%
%
%
A
MHz
Ω
Ω
SW Leakage Current
VRUN = 0V, VSW= 0V or 5V, VIN = 5V
±0.01 ±1
µA
RUN Threshold
-40°C ≤ TA ≤ 85°C
0.3
1.1 1.30
V
RUN Leakage Current
±0.01 ±1
µA
Note 5: 100% production test at +25°C. Specifications over the temperature range are guaranteed by design and
characterization.
PPMIC BU
www.belling.com.cn
4
BL3406B Rev 1.5
Belling Proprietary Information. Unauthorized Photocopy and Duplication Prohibited
10/2009
©2009 Belling All Rights Reserved
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