MAX889TESA+ Maxim Integrated Products, MAX889TESA+ Datasheet - Page 4

• Manufacturer Part Number: MAX889TESA+
• Description: IC CHRG PUMP 200MA 8-SOIC
• Manufacturer: Maxim Integrated Products
• Type: Switched Capacitor (Charge Pump), Invertingr

Specifications of MAX889TESA+

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: -2.5 ~ -5.5 V
• Current - Output: 200mA
• Frequency - Switching: 2MHz
• Voltage - Input: 2.7 ~ 5.5 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: - 2.5 V to - 5.5 V
• Output Current: 200 mA (Min)
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

High-Frequency, Regulated,
200mA, Inverting Charge Pump
(Circuit of Figure 1, V
4
3.00
2.75
2.50
2.25
2.00
1.75
1.50
_______________________________________________________________________________________
50
40
30
20
10
A
B
0
2.5
20 TO 200mA LOAD STEP
CIRCUIT OF FIGURE 4
A: I
B: V
0
OUT
OUT
FREE-RUN OUTPUT RESISTANCE
50
LOAD-TRANSIENT RESPONSE
, 100mA/div
, 20mV/div, AC-COUPLED
vs. LOAD CURRENT vs. C
3.0
100
vs. INPUT VOLTAGE
LOAD CURRENT (mA)
OUTPUT RIPPLE
INPUT VOLTAGE (V)
3.5
C
MAX889S
OUT
MAX889T
150
IN
40µs/div
= 2.2µF
4.0
= V
C
200
OUT
C
OUT
SHDN
= 4.7µF
4.5
= 10µF
250
= +5V, capacitors from Table 1, T
OUT
5.0
300
350
5.5
Typical Operating Characteristics (continued)
100
3.0
2.5
2.0
1.5
1.0
90
80
70
60
50
40
30
20
10
A
B
0
-40
I
CIRCUIT OF FIGURE 4
A: V
B: V
OUT
0
IN
OUT
= 200mA
FREE-RUN OUTPUT RESISTANCE
, 2V/div
EFFICIENCY vs. LOAD CURRENT
MAX889S
-20
LINE-TRANSIENT RESPONSE
, 10mV/div, AC-COUPLED
100
(V
MAX889R
IN
vs. TEMPERATURE
0
LOAD CURRENT (mA)
TEMPERATURE (°C)
= 5V, V
MAX889T
MAX889S
200
20
40µs/div
A
OUT
= +25°C, unless otherwise noted.)
40
300
= -3.3V)
60
400
80
500
100
90
80
70
60
50
40
30
20
10
12
10
0
8
6
4
2
0
A
B
C
0
0
2.5
vs. INPUT VOLTAGE (REGULATED MODE)
0
I
A: V
B: I
C: V
OUT
V
OUT
MAX889R
IN
OUT
SHDN
EFFICIENCY vs. LOAD CURRENT
= 200mA
, 100mA/div
QUIESCENT SUPPLY CURRENT
MAX889S
50
3.0
= -2.5V
, 1V/div
(V
STARTUP AND SHUTDOWN
, 10V/div
IN
100
= 3.3V, V
LOAD CURRENT (mA)
INPUT VOLTAGE (V)
3.5
MAX889T
MAX889S
150
2ms/div
4.0
OUT
200
= -2.5V)
4.5
MAX889S
MAX889R
250
MAX889T
5.0
300
350
5.5