Kingbor Technology Co.,Ltd
TEL:(86)0755-26508846 FAX:(86)0755-26509052
KB3511
(Note 1)
ABSOLUTE MAXIMUM RATINGS
Peak SW Sink and Source Current ........................ 1.3A
Operating Temperature Range (Note 2) .. –40°C to 85°C
Junction Temperature (Note 3)............................ 125°C
Storage Temperature Range ................ –65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
Input Supply Voltage .................................. –0.3V to 6.5V
RUN, VFB Voltages ..................................... –0.3V to VIN
SW Voltage .................................. –0.3V to (VIN + 0.3V)
P-Channel Switch Source Current (DC) ............. 800mA
N-Channel Switch Sink Current (DC) ................. 800mA
PACkAGE/ORDER INFORMATION
ORDER PART
ORDER PART
TOP VIEW
TOP VIEW
NUMBER
NUMBER
V
1
2
3
4
5
10
9
V
V
1
2
3
4
5
10
9
V
OUT2
FB1
FB2
OUT1
RUN1
RUN2
POR
RUN1
RUN2
NC
KB3511A
KB3511B
11
11
V
8
V
8
IN
IN
V
= 1.5V
= 2.2V
OUT1
V
=
V
= 0.6V
FB1
SW1
GND
7
SW2
FB2
SW1
GND
7
SW2
V
OUT2
6
MODE/
SYNC
6
MODE/
SYNC
DD PART MARKING
DD PART MARKING
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
EXPOSED PAD IS PGND (PIN 11)
MUST BE CONNECTED TO GND
EXPOSED PAD IS PGND (PIN 11)
MUST BE CONNECTED TO GND
TJMAX = 125°C, θJA = 45°C/W, θJC = 10°C/W
TJMAX = 125°C, θJA = 45°C/W, θJC = 10°C/W
ELECTRICAL CHARACTERISTICS
The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C.
VIN = 3.6V unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
6.5
UNITS
V
V
Operating Voltage Range
Feedback Pin Input Current
Feedback Voltage (Note 3)
●
●
2.5
IN
I
30
nA
FB
V
0°C ≤ T ≤ 85°C
0.588
0.585
0.6
0.6
0.612
0.612
V
V
FB
A
–40°C ≤ T ≤ 85°C
●
A
∆V
∆V
Reference Voltage Line Regulation
Output Voltage Load Regulation
Input DC Supply Current
V
= 2.5V to 5.5V (Note 3)
IN
0.3
0.5
0.5
%/V
%
LINE REG
(Note 3)
LOAD REG
I
S
Active Mode
Shutdown
V
= V = 0.6V
50
0.1
100
1
µA
µA
FB1
FB2
RUN = 0V, V = 5.5V, MODE/SYNC = 0V
IN
f
f
I
Oscillator Frequency
V
= 0.6V
●
1.6
2.2
2.2
1
2.8
MHz
MHz
A
OSC
SYNC
LIM
FB
Synchronization Frequency
Peak Switch Current Limit
V
= 3V, FBK = 0.5V, Duty Cycle <35%
0.85
1.25
IN
R
Top Switch On-Resistance
Bottom Switch On-Resistance
V
V
= 3.6V (Note 6)
= 3.6V (Note 6)
0.35
0.30
0.45
0.45
Ω
Ω
DS(ON)
IN
IN
I
Switch Leakage Current
V
= 5V, V
= 0V, V = 0V
0.01
1
µA
SW(LKG)
IN
RUN
FB
2
KINGBOR [ KINGBOR TECHNOLOGY CO ]
