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KB3440 Datasheet(PDF) 7 Page - Kingbor Technology Co

Part # KB3440
Description  Micropower Synchronous Buck-Boost DC/DC Converter
PDF  20 Pages
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Manufacturer  KINGBOR [Kingbor Technology Co]
Direct Link  http://www.kingbor.com
Logo KINGBOR - Kingbor Technology Co

KB3440 Datasheet(HTML) 7 Page - Kingbor Technology Co

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PWM
LOGIC
AND
OUTPUT
PHASING
GATE
DRIVERS
AND
ANTICROSS
CONDUCTION
Burst Mode
OPERATION
CONTROL
5
µs DELAY
GND
UVLO
2.7A
2.4V
RT
SLEEP
MODE/SYNC
1 = Burst Mode
OPERATION
0 = FIXED FREQUENCY
RT
OSC
SYNC
SUPPLY
CURRENT
LIMIT
SW A
SW1
SW2
VIN
2.5V TO 5.5V
SW D
ISENSE
AMP
ERROR
AMP
1.22V
CLAMP
REVERSE
CURRENT
LIMIT
SW B
SW C
–0.4A
1
2
5
8
+
3
4
VOUT
6
FB
9
VC
10
SHDN/SS
SHUTDOWN
RSS
VIN
R2
CSS
R1
VOUT
2.5V TO 5.5V
PWM
COMPARATORS
kB3440
Kingbor Technology Co.,Ltd
TEL:(86)0755-26508846 FAX:(86)0755-26509052
SIMPLIFIED BLOC DIAGRAM



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