Rainbow Electronics MAX1697 - Manual (Page 2)

MAX1697
60mA, SOT23 Inverting Charge Pump
with Shutdown
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, capacitors from Table 2, V IN = +5V, SHDN = IN, T A = 0°C to +85°C, unless otherwise noted. Typical values are at
T A = +25°C.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
IN to GND .................................................................-0.3V to +6V
C1+, SHDN to GND .....................................-0.3V to (V
IN
+ 0.3V)
C1- to GND..............................................(V OUT - 0.3V) to + 0.3V
OUT to GND .............................................................+0.3V to -6V
OUT Output Current............................................................90mA
OUT Short-Circuit to GND .............................................Indefinite
Continuous Power Dissipation (T A = +70°C)
6-Pin SOT23 (derate 14mW/°C above +70°C) (Note 3)...1.1W
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature ..........................................................(Note 4)
MAX1697T/U, R L = 5k Ω
SHDN = GND or IN
V IN(MIN)
≤ V
IN
≤ 2.5V
MAX1697R/S, R L = 5k Ω
2.5V ≤ V
IN
≤ 5.5V
V IN(MIN)
≤ V
IN
≤ 2.5V
2.5V ≤ V
IN
≤ 5.5V
I OUT = 0, T A = +25°C
SHDN = GND, OUT is internally pulled to GND
in shutdown
T A = +25°C
T A = +25°C
SHDN = GND
I OUT = 60mA
CONDITIONS
10
nA
-100 0.05 +100
SHDN Bias Current
0.2
V
0.6
SHDN Input Logic Low
V IN - 0.2
V
2.0
SHDN Input Logic High
Ω 3 8
OUT to GND Shutdown
Resistance
33
Ω
12 25
Output Resistance (Note 5)
1.4 5.5
1.5 5.5
V
1.25 5.5
Supply Voltage Range
% 99 99.9 Voltage Conversion Efficiency
20 35 50
kHz Oscillator Frequency
0.03
1.5 5.5
µA
150 300
Quiescent Supply Current
350 650
µA
0.002 1
Shutdown Supply Current
UNITS MIN TYP MAX PARAMETER
T A = 0°C to +85°C
T A = +25°C
T A = 0°C to +85°C
T A = +25°C
MAX1697S
MAX1697R
T A = +85°C
T A = +25°C
T A = 0°C to +85°C
T A = +25°C
T A = +85°C
T A = +25°C
MAX1697U
MAX1697T 950 1700
1800 3400
Output shorted to ground, T A = +25°C mA 170 Short-Circuit Current
7 12 17
140 250 360
70 125 180
MAX1697R
MAX1697S
MAX1697T
MAX1697U
Note 3: Thermal properties are specified with product mounted on the PC board with one square-inch of copper area and still air.
Note 4: This device is constructed using a unique set of packaging techniques that impose a limit on the thermal profile the
device can be exposed to during board level solder attach and rework. Maxim recommends the use of the solder profiles
recommended in the industry standard specification, JEDEC 020A, paragraph 7.6, Table 3 for IR/VPR and Convection
reflow processes. Preheating, per this standard, is required. Hand or wave soldering is not recommended.