MAX1565 Datasheet, PDF (3/26 Pages) Maxim Integrated Products – Small, High-Efficiency, Five-Channel Digital Still Camera Power Supply

Small, High-Efficiency, Five-Channel
Digital Still Camera Power Supply
ELECTRICAL CHARACTERISTICS (continued)
(V_OUTSU = 3.3V, T_A = 0°C to +85°C, unless otherwise noted.)
PARAMETER
CONDITIONS
Step-Up Voltage Adjust Range
FBSU Regulation Voltage
OUTSU Regulation Voltage
FBSELSU = GND
FBSU to COMPSU
Transconductance
FBSU = COMPSU
FBSU Input Leakage Current
FBSU = 1.25V
Idle-Mode™ Trip Level
(Note 6)
Current-Sense Amplifier
Transresistance
Step-Up Maximum Duty Cycle FBSU = 1V
OUTSU Leakage Current
LXSU Leakage Current
Switch On-Resistance
V_LX = 0V, OUTSU = 5.5V
V_LXSU = V_OUT = 5.5V
N-channel
P-channel
N-Channel Current limit
P-Channel Turn-Off Current
Startup Current Limit
OUTSU = 1.8V (Note 5)
Startup t_OFF
Startup Frequency
OUTSU = 1.8V
OUTSU = 1.8V
STEP-DOWN DC-TO-DC CONVERTER
FBSD Regulation Voltage
OUTSD Regulation Voltage
FBSELSD = GND
FBSD to COMPSD
Transconductance
FBSD = COMPSD
FBSD Input Leakage Current
FBSD = 1.25V
Idle-Mode Trip Level
(Note 6)
Current-Sense Amplifier
Transresistance
LXSD Leakage Current
Switch On-Resistance
V_LXSD = 5.5V, OUTSU = 5.5V
V_LXSD = 0V, OUTSU = 5.5V
N-channel
P-channel
P-Channel Current Limit
N-Channel Turn-Off Current
Soft-Start Interval
SDOK Output Low Voltage
FBSD = 0.4V; 0.1mA into SDOK pin
SDOK Operating Voltage Range
Idle Mode is a trademark of Maxim Integrated Products, Inc.
MIN
2.7
1.231
3.296
TYP
1.25
3.35
MAX
5.5
1.269
3.404
UNITS
V
V
V
80
135 185
µS
-100
+1 +100
nA
150 200 265
mA
0.3
V/A
80
85
90
%
0.01
20
µA
0.01
20
µA
95
150
mΩ
150 250
1.6
2
2.4
A
20
mA
800
mA
700
ns
200
kHz
1.231 1.25 1.269
V
1.48
1.5
1.52
V
80
135 185
µS
-100
+1 +100
nA
110 160 190
mA
0.60
V/A
0.01
20
µA
0.01
20
95
150
mΩ
150 250
0.7
0.79
1.0
A
20
mA
4096
OSC
cycles
0.002 0.1
V
1.0
5.5
V
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