SMB214A/B/C
DC OPERATING CHARACTERISTICS (CONTINUED)
(Over
recommended operating conditions, unless otherwise noted. All voltages are relative to GND.)
Symbol Parameter
Conditions
Min
Typ
Max
Error Amplifier
A
VOL
BW
I
SOURCE
I
SINK
Open loop voltage Gain
Frequency bandwidth
Output source current
Output sink current
At DC
At A
VOL
= 0 dB
At 0.5V
At 0.5V
60
30
20
800
Unit
dB
MHz
µA
µA
Output Block
V
OUT
Voltage set point range.
100% Maximum Duty cycle
VBATT= 4.2V, I
LOAD
=0
V
OUT
= V
BATT
x (duty cycle)
VBATT= 6.0V, I
LOAD
=0
V
OUT
= V
BATT
x (duty cycle)
Commercial temperature range
Industrial temperature range
Output high
Output low
Output high
Output low
COMP1 pin
Programmable in 4mV steps
High Duty Cycle
Low Duty Cycle
High Duty Cycle
Low Duty Cycle
0.7 x
VDD_CAP
0.5
0.5
-2.5
-2.5
2
2
2
2
1.0
100
35
70
0
4.2
V
6.0
+2.5
+2.5
%
∆V
OUT
Output accuracy, Note 1
R
DRVH
HSDRV ON resistance
Ω
R
DRVL
V
COMP1
LSDRV ON resistance
Feedback voltage reference
100% Max Duty Cycle
V
D.C.
90% Max Duty Cycle
Logic Levels
V
IH
V
IL
V
OL
Input high voltage
Input low
Open drain outputs
%
6.0
0.3 x
VDD_CAP
V
V
V
0
I
SINK
= 1mA
0
0.4
Summit Microelectronics, Inc
2128 2.0 6/20/2008
9
SUMMIT [ SUMMIT MICROELECTRONICS, INC. ]
