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Inverting dc-dc controllers, Typical operating characteristics (continued) – Rainbow Electronics MAX776 User Manual

Page 6

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MAX774/MAX775/MAX776

-5V/-12V/-15V or Adjustable,
High-Efficiency, Low I

Q

Inverting DC-DC Controllers

6

_______________________________________________________________________________________

80

66

-60 -40

60

140

OPERATING SUPPLY CURRENT

vs. TEMPERATURE

70

68

76

78

MAX774/5/6-8

TEMPERATURE (°C)

I

CC

(µA)

40

20

0

-20

80

120

100

74

72

V+ = 16.5V

V+ = 10V

V+ = 3V

1.506

1.492

-60 -40

60

140

REFERENCE

TEMPERATURE COEFFICIENT

1.496

1.494

1.502

1.504

MAX774/5/6-12

TEMPERATURE (°C)

REFERENCE OUTPUT (V)

40

20

0

-20

80

120

100

1.500

1.498

235

230

225

220

215

210

205

200

195

190

185

-60 -40

60

140

CS TRIP LEVEL

MAX774/5/6-11

TEMPERATURE (°C)

CS TRIP LEVEL (mV)

40

20

0

-20

80

120

100

250

200

150

100

50

0

-60 -40

60

140

REFERENCE

OUTPUT RESISTANCE

MAX774/5/6-13

TEMPERATURE (°C)

REFERENCE OUTPUT RESISTANCE (

)

40

20

0

-20

80

120

100

I

REF

= 50µA

I

REF

= 100µA

I

REF

= 10µA

_____________________________Typical Operating Characteristics (continued)

(T

A

= +25°C, unless otherwise noted.)