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ADP3604 Datasheet(PDF) 2 Page - Analog Devices

Part # ADP3604
Description  Switched Capacitor Voltage Converter with Regulated Output
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADP3604 Datasheet(HTML) 2 Page - Analog Devices

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PIN DESCRIPTION
Pin
Function
1CP+, Pump Capacitor Positive Input.
2
Ground.
3CP–, Pump Capacitor Negative Input.
4
Shutdown, Logic Level Shutdown Pin. Application of a
logic low to this pin will place the regulator in normal
operation. The device will be put into shutdown mode
with the shutdown pin pulled to VIN. In Shutdown
mode the charge pump is turned off. Connect to ground
for normal operation.
5VSENSE , Output Voltage Sense Line. This is used to im-
prove load regulation performance by eliminating IR
drop on the output traces. See application section for
more detail. For normal operation, connect Pin 5 to
VOUT (Pin 7).
6
NC, No Internal Electrical Connection.
7VOUT, Output Pin. Regulated negative output voltage.
Connect a low ESR capacitor between this pin and de-
vice GND.
8VIN, Positive Supply Input when 4.5 V ≤ VIN ≤ 6 V.
Connect a low-ESR bypass capacitor between this pin
and the device ground pin.
Parameter
Symbol
Condition
Min
Typ
Max
Units
OPERATING SUPPLY RANGE
VS
4.5
5
6
V
SUPPLY CURRENT
IS
2.9
3.5
mA
–40
°C < T
A < +85°C3
4
mA
Shutdown Mode
1.5
2.5
mA
–40
°C < T
A < +85°C
1.6
3.0
mA
OUTPUT
Output Voltage
VO
IO = 60 mA
–3.1
–3.0
–2.91
V
VO
IO = 10 mA to 120 mA, 4.5 V < VIN < 6 V
–3.1
–3
–2.88
V
VO
IO = 10 mA to 120 mA, 4.5 V < VIN < 6 V,
0
°C < T
A < +70°C
–3.12
–3
–2.85
V
VO
IO = 10 mA to 120 mA, 4.5 V < VIN < 6 V,
–40
°C < T
A < +85°C
–3.2
–3
–2.8
V
Load Regulation
∆V
O/ IO
IO = 10 mA–60 mA
0.9
mV/mA
IO = 10 mA–120 mA
1.5
mV/mA
Output Resistance
2
RO
8
Output Ripple Voltage
3
VRIPPLE
C1–C3 = 10
µF, I
LOAD = 80 mA
25
mV
C1–C3 = 10
µF, I
LOAD = 120 mA
55
mV
SWITCHING FREQUENCY
FS
100
120
135
kHz
–40
°C < T
A < +85°C
96
120
140
kHz
SHUTDOWN
Logic Input High
VIH
2.4
V
Input Current
IIH
1
µA
Logic Input Low
VIL
0.4
V
Input Current
IIL
1
µA
Turn-On-Time
tON
Figure 1, IL = 120 mA
5
ms
Turn-Off-Time
tOFF
Figure 1, IL = 120 mA
5
ms
NOTES
1Capacitors C1 and C2 used in the test circuit are 10
µF with 0.1 Ω ESR. Capacitors with higher ESR may reduce output voltage and efficiency.
2Open-loop output resistance.
3See Figure 1 conditions.
All limits at temperature extremes are guaranteed via correlation using standard Statistical Quality Control (SQC) methods.
Specifications subject to change without notice
.
REV. 0
–2–
ADP3604–SPECIFICATIONS
WARNING!
ESD SENSITIVE DEVICE
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection.
Although the ADP3604 features proprietary ESD protection circuitry, permanent damage may
occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD
precautions are recommended to avoid performance degradation or loss of functionality.
(VIN = 5.0 V @ TA = +25 C, CP = COUT = 10 F unless otherwise noted)
ABSOLUTE MAXIMUM RATINGS
1
(TA = +25°C unless otherwise noted)
Input Voltage (V+ to GND, GND to OUT) . . . . . . . . . +7.5 V
Output Short Circuit Protection . . . . . . . . . . . . . . . . . . . . 1 sec
Power Dissipation, SO-8 . . . . . . . . . . . . . . . . . . . . . . . 660 mW
θ
JA
2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
°C/W
θ
JC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
°C/W
Operating Temperature Range . . . . . . . . . . . . . –40
°C to +85°C
Storage Temperature Range . . . . . . . . . . . . . –65
°C to +150°C
Lead Temperature Range (Soldering 10 sec) . . . . . . . . +300
°C
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . . . +215
°C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . . +220
°C
NOTES
1This is a stress rating only and functional operation of the device at these or any
other conditions above those indicated in the operation section of this specification
is not implied. Exposure to absolute maximum rating conditions for extended
periods may affect device reliability.
2
θ
JA is specified for worst case conditions with device soldered on a circuit board.
ORDERING GUIDE
Model
Temperature Range
Package Option*
ADP3604AR
–40
°C to +85°C
SO-8
*SO = Small Outline Package.


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