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參數(shù)資料
| 型號(hào)： | PSC1534-4.1 |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6 |
| 封裝： | PLASTIC, SOT-23, 6 PIN |
| 文件頁(yè)數(shù)： | 5/8頁(yè) |
| 文件大小： | 1384K |
| 代理商： | PSC1534-4.1 |
Agere Systems Inc.
5
Preliminary Data Sheet
April 2003
PSC1534 Lithium-Ion Linear Battery Charger
Electrical Characteristics
In Table 2, specifications are at TA = 25 °C. VCC = 5 V, GND = 0 V, and VBAT = VFLOAT unless otherwise noted.
Bold text highlights the specifications that apply over the –40 °C to +85 °C operating temperature range.
Table 2. Electrical Characteristics
Parameter
Conditions
Min
Typ
Max Unit
VCC Supply
Operating Supply Range*
*
When operating near minimum VCC, a low Vce-sat PNP transistor is required.
—
4.55
—
6.0
V
Quiescent VCC Pin Supply Current
VBAT = 5 V, (forces IDRIVE = IBAT = 0),
IPROG = 200
A, (7500 from PROG to GND)
—
550
1150
A
VCC Pin Supply Current in Manual
Shutdown
PROG pin open
—
350
900
A
Battery Drain Current in Manual
Shutdown
External PNP pass transistor has negligible Ib-c when the Vb-c = 0.8 V (VCC – VBAT = 5.0—4.2 = 0.8 V).
PROG pin open
–2
0.2
2
A
Battery Drain Current in Sleep Mode
External PNP pass transistor has negligible Ib-e when the Vb-e = 4.2 V (VBAT – VCC = 4.2—0 = 4.2 V).
VCC = 0 V
–2
0.2
2
A
Undervoltage Lockout Exit Threshold
VCC increasing
4.45 4.56
4.68
V
Undervoltage Lockout Entry Threshold
VCC decreasing
4.30 4.41
4.53
V
Undervoltage Lockout Hysteresis
VCC decreasing
—
150
—
mV
Charging Performance
Output Float Voltage in Constant
Voltage Mode
4.1 V version,
IBAT = 10 mA,
4.55 V
≤ VCC ≤ 5.5 V,
4.2 V version,
IBAT = 10 mA,
4.55 V
≤ VCC ≤ 5.5 V
4.059
4.158
4.10
4.20
4.141
4.242
V
Output Full-scale Current When
Programmed for 200 mA in Constant
Current Mode
RPROG = 7500
,
4.55 V
≤ VCC ≤ 5.5 V,
pass PNP beta > 50
155
200
240
mA
Output Full-scale Current When
Programmed for 700 mA in Constant
Current Mode
RPROG = 2143
,
4.55 V
≤ VCC ≤ 5.5 V,
pass PNP beta > 50
620
700
770
mA
Current Monitor Voltage on PROG Pin
IBAT = 10% of IBAT1,
RPROG = 7500
4.55 V
≤ VCC ≤ 5.5 V,
pass PNP beta > 50,
0 °C
≤ TA ≤ 85 °C
0.025 0.15
0.30
V
Current Monitor Voltage on PROG Pin
IBAT = 10% of IBAT2,
RPROG = 2143
,
4.55 V
≤ VCC ≤ 5.5 V,
pass PNP beta > 50,
0 °C
≤ TA ≤ 85 °C
0.08 0.15
0.22
V
Drive Output Current
VDRIVE = 3.5 V
30
——
mA
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