MAX850ESA+ Maxim Integrated Products, MAX850ESA+ Datasheet - Page 5

• Manufacturer Part Number: MAX850ESA+
• Description: IC PWR SUP CHRG PUMP 8SOIC
• Manufacturer: Maxim Integrated Products
• Type: Switched Capacitor (Charge Pump), Invertingr

Specifications of MAX850ESA+

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: -4.1V, -05 ~ -9 V
• Current - Output: 5mA
• Frequency - Switching: 100kHz
• Voltage - Input: 4.5 ~ 10 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Power - Output: 471mW
• Function: Inverting
• Output Voltage: - 4.1 V or - 0.5 V to - 9 V
• Output Current: 5 mA
• Supply Current: 2 mA
• Maximum Operating Temperature: + 85 C
• Input Voltage: 4.5 V to 10 V
• Maximum Power Dissipation: 471 mW
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Switching Frequency: 100 KHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Charge-Pump Power Supplies for GaAsFET Bias
(Circuit of Figure 2a, V
_____________________________Typical Operating Characteristics (continued)
V
OUT
CIRCUIT OF FIGURE 2a, V
= -4.08V, I
LINE-TRANSIENT RESPONSE
START-UP FROM SHUTDOWN
MAX850/MAX851/MAX853
OUT
_______________________________________________________________________________________
IN
= 5mA, AC COUPLED
= 6V, T
2ms/div
IN
200 s/div
= 6.0V, V
A
= +25°C, unless otherwise noted.)
OUT
= -4.1V, I
Low-Noise, Regulated, Negative
OUT
= 5mA
V
20mV/div
6.0V
5.5V
OUT
V
2V/div
V
5V/div
OUT
SHDN
V
IN
V
OUT
CIRCUIT OF FIGURE 2a, V
SHUTDOWN OCCURS WHEN 100kHz EXTERNAL CLOCK IS GATED OFF
= -4.0V, AC COUPLED
LOAD-TRANSIENT RESPONSE
START-UP FROM SHUTDOWN
1ms/div
MAX852
200 s/div
IN
= 6.0V, V
OUT
= -4.1V, I
OUT
= 5mA
0.01mA
5mA
V
50mV/div
OUT
V
2V/div
V
5V/div
OUT
OSC
I
OUT
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