ADP3522 datasheet(7/20 Pages) AD

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Typical Performance Characteristics–ADP3522

–7–

VBAT – V

450

400

350

300

250

200

150

100

3.0

3.5

4.0

4.5

5.0

5.5

ALL LDO, MVBAT, REFOUT,

ON_MIN_LOAD (SIMEN = H,

TCXOEN = H)

VCORE, VMEM, VRTC,

ON_MIN_LOAD (SIMEN = L,

TCXOEN = L)

VSIM, VCORE, VMEM, VRTC,

ON_MIN_LOAD (SIMEN = H,

TCXOEN = L)

TPC 1. Ground Current vs.

Battery Voltage

LOAD CURRENT – mA

180

160

140

120

050

100

150

200

VMEM

VAN

VTCXO

VSIM

100

TPC 4. Dropout Voltage vs.

Load Current

VBAT

VAN

VCORE

10mV/DIV

3.2

3.0

TIME – 100 s/DIV

VSIM

10mV/DIV

TPC 7. Line Transient

Response, Minimum Loads

VRTC – V

10000

1000

100

0.5

1.0

1.5

2.0

+85 C

+25 C

–20 C

TPC 2. RTC I/V Characteristic

VBAT

VTCXO

VMEM

10mV/DIV

3.2

3.0

TIME – 100 s/DIV

TPC 5. Line Transient

Response, Minimum Loads

VBAT

VCORE

VSIM

10mV/DIV

3.2

3.0

VAN

10mV/DIV

TIME – 100 s/DIV

TPC 8. Line Transient

Response, Maximum Loads

RTC REVERSE LEAKAGE

(VBAT = 2.3V)

RTC REVERSE LEAKAGE

(VBAT = FLOAT)

TEMPERATURE – C

1.8

1.6

1.4

1.2

1.0

0.8

0.6

0.4

0.2

25 30 35 40 45 50 55 60 65 70 75 80 85

TPC 3. VRTC Reverse Leakage

Current vs. Temperature

VBAT

VTCXO

VMEM

10mV/DIV

3.2

3.0

TIME – 100 s/DIV

TPC 6. Line Transient

Response, Maximum Loads

LOAD

20mA

VTCXO

10mV/DIV

2mA

TIME – 200 s/DIV

TPC 9. VTCXO Load Step

ADP3522 Datasheet(PDF) 7 Page - Analog Devices

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