Owner manual

MAX606/MAX607
Low-Profile, 5V/12V or Adjustable, Step-Up
DC-DC Converters for Flash Memory/PCMCIA Cards
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS
(V
IN
= 3.3V, GND = PGND = FB = 0V, SHDN = IN, T
A
= -40°C to +85°C, unless otherwise noted.) (Note 2)
Note 1: The load specification is guaranteed by DC parametric tests and is not production tested in circuit.
Note 2: Specifications to -40°C are guaranteed by design, not production tested.
V
IN
= 3V to 5.5V. For V
FB
below this voltage,
output regulates to 12V.
V
SHDN
= 0 or V
IN
3V < V
IN
< 5V, FB = IN, I
LOAD
= 0 to 135mA
V
IN
= 5.5V
V
IN
= 3V
2V < (V
OUT
+ 0.5V - V
IN
) < 8V (see Pulse-
Frequency-Modulation Control Scheme
section)
3V < V
IN
< 5.5V
(t
ON
= K / V
IN
)
V
OUT
= 13V
V
SHDN
= V
IN
, V
SS
= 150mV
V
SHDN
= 0, OUT = IN
MAX606
V
LX
= 12V
4.5V < V
IN
< 5.5V, FB = GND, I
LOAD
= 0 to 90mA
0.1V < V
FB
< (V
IN
- 0.1V)
0.1V < V
FB
< (V
IN
- 0.1V)
V
OUT
= 13V
V
SHDN
= V
SS
= 0
CONDITIONS
MAX606
V0.1
MAX607
FB Input Low Voltage
µA±1
MAX607
SHDN Input Current
V0.66V
IN
SHDN Input High Voltage
V0.25V
IN
SHDN Input Low Voltage
0.3 0.7Switch Off-Time Ratio
3.5 9.0
µs-V
1.8 4.5
Switch On-Time Constant (K)
µA85OUT Input Current
µA10Shutdown Quiescent Current
300
µA
500
Quiescent Supply Current
0.5
V
4.75 5.25
Output Voltage (Note 1)
V2.4 2.8
V3.0 5.5Supply Voltage
Undervoltage Lockout Threshold
kΩ
30 60
SS Resistance
A0.55 1.25Switch Current Limit
µA10Switch Off-Leakage
Ω
1Switch On-Resistance
11.4 12.6
V1.94 2.06FB Regulation Setpoint
VV
IN
12.5Adjustable Output Voltage Range
UNITSMIN TYP MAXPARAMETER
V
IN
= 3V to 5.5V. For V
FB
above this voltage,
output regulates to 5V.
VV
IN
- 0.1FB Input High Voltage
V
FB
= 2.05V, V
OUT
= 13V nA200FB Input Current