MAX1697TEUT+T Maxim Integrated Products, MAX1697TEUT+T Datasheet - Page 10

• Manufacturer Part Number: MAX1697TEUT+T
• Description: IC CHARGE PUMP INV 60MA SOT23-6
• Manufacturer: Maxim Integrated Products
• Type: Switched Capacitor (Charge Pump), Invertingr

Specifications of MAX1697TEUT+T

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: -1.5 ~ -5.5 V
• Current - Output: 60mA
• Frequency - Switching: 60kHz ~ 200kHz
• Voltage - Input: 1.6 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SOT-23-6
• Power - Output: 1.1W
• Function: Inverting
• Output Voltage: - 1.4 V to - 5.5 V
• Output Current: 60 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

60mA, SOT23 Inverting Charge Pump
with Shutdown
10
Figure 5. Paralleling MAX1697s to Reduce Output Resistance
Figure 4. Cascading MAX1697s to Increase Output Voltage
C1
C1
R
OUT
______________________________________________________________________________________
=
R
OUT
NUMBER OF DEVICES
SHDN
OF SINGLE DEVICE
SHDN
3
4
6
3
4
6
MAX1697
MAX1697
5
5
2
1
C1
2
1
C1
+V
+V
IN
IN
…
…
C2
…
…
3
4
6
3
4
6
V
OUT
V
MAX1697
= -nV
OUT
MAX1697
5
= -V
IN
5
IN
2
1
2
1
V
C2
V
C2
OUT
OUT
Figure 6. Combined Doubler and Inverter
TRANSISTOR COUNT: 275
Figure 7. Heavy Load Connected to a Positive Supply
C1
SHDN
3
4
6
MAX1697
MAX1697
C3
5
GND
OUT
2
1
+V
4
1
IN
Chip Information
D1
D2
D1, D2 = 1N4148
C2
C4
V+
R
V
(V
V
L
OUT
OUT
FD1
= (2V
) - (V
= -V
IN
FD2
IN
) -
)