Rainbow Electronics MAX1853 User Manual
Page 2
MAX1852/MAX1853
SC70 Inverting Charge Pumps
with Shutdown
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, capacitors from Table 2, V
IN
= +5V, SHDN = IN, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are
at T
A
= +25°C.) (Note 1)
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 Short-Circuit to GND ..............................................1 minute
Continuous Power Dissipation (T
A
= +70°C)
6-Pin SC70 (derate 3.1mW/°C above +70°C) .............245mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Note 1: All devices are 100% production tested at T
A
= +25
°C. All temperature limits are guaranteed by design.
Note 2: Output resistance is guaranteed with capacitor ESR of 0.3
Ω or less.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Supply Voltage Range
2.5
5.5
V
T
A
= +25
°C
75
130
MAX1852
T
A
= -40
°C to +85°C
150
T
A
= +25
°C
165
320
Quiescent Supply Current
MAX1853
T
A
= -40
°C to +85°C
350
µA
T
A
= +25
°C
0.002
0.5
Shutdown Supply Current
SHDN = GND
T
A
= +85
°C
0.01
µA
T
A
= +25
°C
32
50
68
MAX1852
T
A
= -40
°C to +85°C
25
78
T
A
= +25
°C
130
200
270
Oscillator Frequency
MAX1853
T
A
= -40
°C to +85°C
110
310
kHz
Voltage Conversion Efficiency
I
OUT
= 0
99
99.9
%
T
A
= +25
°C
15
30
Output Resistance (Note 2)
I
OUT
= 10mA
T
A
= -40
°C to +85°C
40
Ω
Output Current
Continuous, long-term
30
mA
RMS
SHDN Input Logic High
+2.5V
≤ V
IN
≤ +5.5V
0.7
× V
IN
V
SHDN Input Logic Low
+2.5V
≤ V
IN
≤ +5.5V
0.3
× V
IN
V
T
A
= +25
°C
-100
1
100
SHDN Bias Current
SHDN = GND or IN
T
A
= +85
°C
10
nA
MAX1852
260
Wake-Up Time From Shutdown
I
OUT
= 5mA
MAX1853
112
µs