SMB118 SUMMIT Microelectronics, Inc:, SMB118 Datasheet - Page 11

• Manufacturer Part Number: SMB118
• Description: Six-channel Programmable Dc-dc Power Managers With Battery Charger
• Manufacturer: SUMMIT Microelectronics, Inc:

Summit Microelectronics, Inc
DC OPERATING CHARACTERISTICS (CONTINUED)
(Over commercial operating conditions, unless otherwise noted. All voltages are relative to GND.)
Channel [6:4] – Step-down BUCK
V
∆V
I
V
g
I
R
R
V
V
D.C.
OUTMAX
EA
m
OUT
FB
cl
cl_acc
CS
DRVL
OUT
Voltage (nominal set point)
Voltage accuracy
Maximum continuous output
current
Feedback voltage reference
range
Error amp transconductance
Error amp output drive
CS amplifier transresistance
LS Gate drive impedance
Clamp threshold voltage
Clamp threshold voltage
Accuracy
Duty Cycle
VIN
Note 2, V
T = -40°C to +85°C
Note 2, V
T = 0°C to +70°C
Vin=4.2V, V
L=10uH, F=1MHz
Vin=3.4V, V
L=10uH, F=1MHz
Vin=4.2V, V
L=10uH, F=1MHz
Vin=3.4V, V
L=10uH, F=1MHz
Vin=4.2V, V
L=10uH, F=1MHz
Vin=3.4V, V
L=10uH, F=1MHz
Vin=4.2V, V
L=10uH, F=1MHz
Programmable in 4mV steps
I
Output High
Output Low
Programmable 1.0, 1.1, 1.2,
1.5V
Clamp threshold 1.0 and 1.5V
Maximum, V
Minimum, PWM mode,
V
LOAD
2107 2.4 5/5/2008
BATT
[6:4]
= 500mA
= 4.2V
4.2V, I
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
BATT
= 2.5V,
= 1.2V,
LOAD
= 1.2V,
= 1.2V,
= 1.8V,
= 1.8V,
= 2.5V,
= 2.5V,
= 3.3V,
= 4.2V
=0A
+0.5
1.0
-2
-2
0
Preliminary Specification
1200
1100
1150
1050
950
850
950
160
±20
100
SMB118/218
1.2
5.5
2.7
±1
±1
±5
10
VIN
1.5
+2
+2
18
1
umho
mA
µA
%
%
%
%
%
Ω
Ω
Ω
V
V
V
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